Literature Review of Social Skills Intervention Essay

The first of the ten articles to be discussed examined a training program that consisted of an individualized, classroom-based social skills intervention. In the study, there were 45 children with learning disabilities 9-12 years old. These children were in self-contained special education classrooms. Thirteen children received intervention for 6 weeks and 7 children received intervention for 12 weeks. The remaining 25 children were in the control group, which received no intervention. The intervention consisted of the SST and AST programs. These programs were designed to facilitate social problem solving, role-playing, and modeling of appropriate social behavior. The children were given the treatment in the form of games much like†¦show more content†¦Researchers illustrated that having an LLD has a negative effect on children?s social discourse performance. Additionally, poor social skills are more fundamentally associated with problem behavior in children with LLD. The im plications of this research study suggested that further investigation be done on the processes underlying behavioral risk in children with LLD. Furthermore, assessment and intervention plans should not only focus on the child?s primary learning difficulty, but also address the child?s social needs. Intervention programs that focus on understanding the ways that communication impairments can affect behavior and supporting strategies to structure the language environment to compensate for the child?s communication difficulties could potentially be beneficial. (Vallance, Cummings, Humphries, 1998). Parents of 16 children ages 10-14 were interviewed on the subject of their perceptions of the quality of the friendships of their learning disabled children in the third article. The authors stated that there had not been very much research into the quality of friendships of students with learning disabilities in general education classrooms, while there has been quite a lot of research into the number of friends that learning disabled students had when included in general education classrooms. Therefore, the quality of friendships of learning disabled studentsShow MoreRelatedChildren With High Functioning Asd ( Hfasd )1315 Words   |  6 PagesChapter 2: Review of the Literature Children with high-functioning ASD (HFASD) demonstrate difficulty initiating and maintaining conversations, deciphering how others feel from nonverbal cues, interpreting the intentions of others, asking/responding to questions, and interacting in games or other activities (Bray et al., 2010). 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Recent studies have begun to raise questions as to the validity of this school of thought. (Cooper, 2006) For the purpose of my action research project, homework is recognized as an important component in a student’s education experience. I have recently observed a problem with some of the students in my 3rd grade class not completing and turning in homework assignmentsRead MoreClassroom Implementation For Students With Autism Spectrum Disorder ( Asd )1216 Words   |  5 Pagesinstitutions serving the ASD student population. Appropriate education practices offer all general education and students with disabilities ample opportunities for growth by utilizing various teaching style that support academic, behavior and social skills. There is a clear indication that general educators accommodate students with disabilities due to state mandated laws and the binding practices of IEPs. 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Chinua Achebe’s Things Fall Apart Women’s Roles in Umuofian Society Free Essays

Literature and Liberation- Prof. Sicari December 3rd, 2012 Women’s Role in Umuofian Society Chinua Achebe’s â€Å"Things Fall Apart† depicts the downfall of the once great tribe of Umuofia at the hands of imperialistic European white men. However the downfall of this advanced tribe would come to be inevitable due to its numerous flaws, in terms of their â€Å"justice† system, extreme religious interpretations of the Oracle and perhaps most heavily because of their intensely misogynistic views. We will write a custom essay sample on Chinua Achebe’s Things Fall Apart: Women’s Roles in Umuofian Society or any similar topic only for you Order Now Umuofia’s harsh and brutal treatment of women in their society reveal the fact that women are not acknowledged to even be human, much rather they are treated as possessions – as property. Men believe women to be powerless, defenseless and ultimately useless but this ignorant belief proves to have detrimental consequences. These misogynistic views in turn become the very foundation upon which this society will unravel. With imperialistic missionaries arriving with the tempting offer of a different and more appealing lifestyle, the once united Umuofia will wither away. Umuofia is a tribe located in Nigeria, Africa coming from humble beginnings, the means of success in this tribe come through hard manual labor such as farming. Having to start from scratch several times many men have solidified their status because of their persistence, earning themselves many titles. However, a man who earns no titles is referred to as an â€Å"agbala† (p. 13) – which also means women, but when used to refer to a male it is an insult. This exposes to the reader the fact that the word failure is synonymous with women, they are interchangeable, having the same meaning. In â€Å"women† being the choice word to insult a man it also paints the picture under which light women are viewed by men, to be a woman is to be unsuccessful and to carry no value. Another manner in which a man further reinforces his titles is in acquiring several wives. The number of wives a man has affects his social status, exemplifying that women are possessions of men. It’s a numbers game with men, using women as their pawns so they can further embody the â€Å"true meaning† of what it is to be a man Further exemplifying the misogynistic views of this society is demonstrated in the domestic abuse females face at the hands of their spouse. Okonkwo, an aggressive being by nature is no different towards his wives. In Chapter 4, Okonkwo violently beats his third and youngest wife, Ojiugo, â€Å"And when she returned he beat her very heavily† (p. 29) because when he arrived home food was not yet prepared and she instead of having a hot meal waiting for him went to get her hair braided. Okonkwo blind in his rage beats her brutally claiming negligence, completely forgetting the fact that it was the sacred Week of Peace – â€Å"His two wives ran out in great alarm pleading with him that it was the sacred week† (p. 9). For beating his wife during the Week of Peace, Okonkwo is punished, the priest demands that Okonkwo sacrifice a nanny goat and a hen and pay a fine of one length of cloth and one hundred cowries. This scene reveals just how corrupt the Umuofian justice system is, Okonkwo is punished not because he laid his hands on his wife but because of the time in which he did it. It is not frowned down o n when a male hits a female, in fact it is encouraged and Okonkwo from time to time threatens to kill his wives. It is not viewed as monstrous when a male beats a female in this society and is applauded, they feel as though women must be kept in line and know their duties as well as complete them fully anything less is negligence and physical abuse is their wake up call. Adding to the fact that men can get away with hitting their wives, the very few times in which this justice system does side with women it is very partial – with men relatively receiving a slap on the wrist. This is shown in Chapter 10, a dispute that comes before the egwugwu (the clan’s ancestral spirits) that involves a husband and wife. The husband, Uzowulu, states that the three brothers of his wife, Mgbafo, beat him and took her and the children from his hut but would not return her bride-price. The woman’s brothers justify their actions in stating that Uzowulu beat their sister mercilessly. They state that Uzowulu’s punishment if Mgbafo returns with him will be that his genitals be cut off if he ever beats her again. Uzowulu claims that he sees no wrong in his ways, â€Å"I married her with my money and my yams, I owe them no cocoyams† (p. 90) is his defense. He feels as though he owes his in laws no explanation and how he treats his wife is no ones oncern. This statement proves that he views his wife as just another possession of his, he paid the price and he can do as he pleases with her from that point forward. The egwugwu decide in favor of Mgbafo, telling Uzowulu to take a pot of wine to his in-laws. One village elder complains that such a minimal matter should not be brought before them , again exposing the fact that domestic abuse is not seen as an issue in this society. In Umuofia, there are two types of crimes that can be committed, feminine crimes and masculine crimes. Okonkwo accidentally kills a clansman during a funeral, this crime falls under the category of feminine because it wasn’t a killing on purpose – â€Å"Okonkwo had committed the female, because it had been inadvertent. † (p. 124). In categorizing crimes under these two types the reader receives insight as to what characteristics pertain to each gender in the eyes of this society. Feminine crimes are accidental, without intent, inadvertent – these characteristics all associate with the way that men view females, carrying negative connotations that make it seem as though women don’t have strength. Masculine crimes on the other hand lie on the other side of the spectrum; these crimes consist of blunt, direct acts with an intent or purpose to be completed. These characteristics are some of the many males wish to possess in their attempt to fulfill what it is to be a man. Men are strong with a sense of direction and purpose and so are these crimes. Okonkwo agrees with the society’s interpretation of genders, primarily in his wishing that his daughter, Ezinma, were a boy. Ezinma, is Okonkwo’s favorite child, he loves her very much but does not show affection towards her due to his fear of being viewed as weak by the men of his tribe. Any emotion other than anger is a feminine emotion in the opinion of Okonkwo. Multiple times throughout the novel Okonkwo catches himself wishing that Ezinma were a boy, â€Å"If Ezinma had been a boy I would have been happier. She has the right spirit† (p. 66). Okonkwo claims that she would have been the ideal son, strikingly similar in their nature and mindset, Ezinma fulfills all the qualities her father desires in his children- except for one. As she is a woman all of these talents and qualities will go on unexplored and unused. Society feels as though it is the duty of a woman to bear sons, â€Å"prosperous men and great warriors your daughter will bear us sons like you† (p. 117). Ezinma has proven herself time and time again but will always fail in the eyes of Okonkwo, through the love and fondness he has for her she will never be able to change the fact that she is a female and he will never be able to change his misogynistic views. Okonkwo is very capable of feeling feminine emotions but as for exposing and expressing them he is blind in his immense resentment towards his father, Unoka, and everything he represented. These misogynistic views take a toll on the tribe and prove to become their undoing. Christian missionaries soon arrive to the tribe with the intent of converting as many of the tribe members as possible, presenting them with a tempting offer that proves to entice one too many for the liking of Okonkwo. On the surface Okonkwo resist the implementation of Christianity because it is not â€Å"manly† enough, but frankly it is the deep rooted fear of losing societal status that prevents him from embracing this religion. His sense of self-worth is solely based on the traditional standards by which society judges him. The system of evaluation that the Christians introduce causes many of the tribe members embrace Christianity; the evaluation of self, not possessions is what composed one’s worth. Those who were once outcasted, scorned and belittled found value in Christianity. In their new community, these converts enjoy a more elevated status – no longer being the underdog was a more then welcomed change, the biggest underdog of them all being women. Presently, Works Cited Achebe, Chinua. Things Fall Apart. New York: Anchor, 1994. Print. Denny, Frederick Mathewson, Carlos M. N. Eire, Martin S. Jaffee, and John Corrigan. Jews, Christians, Muslims: A Comparative Introduction to Monotheistic Religions. Upper Saddle River, NJ: Prentice Hall, 2012. Print. How to cite Chinua Achebe’s Things Fall Apart: Women’s Roles in Umuofian Society, Papers

In my fathers house Essay Example For Students

In my fathers house Essay Maria and Oscie In the book In My Fathers House, written by Ann Rinaldi, thereare two main characters whose names are Maria and Oscie. These twogirls are sisters that live in a house that is being divided by the civil war. Their stepfather (Will McLean) is from the north and is known as aYankee in the south. Most southerners disagree with his beliefs onslavery, but nevertheless, he is still a respected town leader on the schoolboard and is head of the volunteer fire department. Maria, fifteen and more a southern belle, tries to get along with people and stays out oftrouble with Will. Oscie, who is a year younger, often tries to get thebetter part of Will. Oscie and Maria vary in many obvious ways. One of these ways isthat Oscie is more independent and can be more self sustained. Mariaon the other hand is a southern belle who is heavily dependent on herfamily for all sorts of different needs. Maria is able to accept realitymore than Oscie, is more mature and can handle being beaten in anargument, but Oscie can not accept losing and is always trying to bestpeople around her and herself. An example of this is how Oscie isalways arguing with Will. She even asked her tutor, will you teach meto best Will McLean?Although Maria and Oscie are very different they do have a fewthings in common. They both have an odd attraction to military men. This is shown in their choice of guys. They also both share the sameparents. Sarah who is dead now, also has Dr. John and Mama asparents. Both Oscie and Maria are in love with the south and dontwant to part with most of its ways when they move. It is amazing how Ann Rinaldi is able to work so much of thesealmost completely different people into this novel. At the same time sheworks a lot of history into this story that is very captivating once youget into it. Although that Will McLean is a Yankee , I think it will bethese two girls that really divide the family on the war between theNorth and the South.

Biotechnology in Environment Clean Up Process Essay Example

Biotechnology in Environment Clean Up Process Paper In the past decade or two, there has been a significant increase in the levels of environmental pollution mostly due to direct or indirect human activities. The major sources of environmental pollution are -Industries, Agricultural sources (mainly rural area), anta reporting SOUrces (man related activities mainly in urban areas), boogieing sources etc. The pollutants are chemical, biological and physical in nature. The Chemical pollutants include- gaseous pollutants (hazardous gases like sulfur dioxide, nitrogen oxide), toxic metals, pesticides, herbicides toxins and carcinogens Etc. The physical pollutants are- heat, sound, radiation, and radioactive substances. The pathogenic organisms and some poisonous and dangerous biological products are the biological pollutants. Controlling the environmental pollution and the conservation of environment and biodiversity and controlling environmental pollution are the major focus areas of all the countries around the world. In this context the importance and impact of biotechnological approaches and the implications of biotechnology has to be thoroughly evaluated. There have been serious concerns regarding the use of biotechnology products and the impact assessment of these products due to their interaction with the environmental actors. A lobby of the environmentalists have expressed alarm on the release of genetically engineered organisms in the atmosphere and have stressed on thorough investigation and proper risk assessment of theses organisms before releasing them in to the environment. The effect of the effluents from biotechnological companies is also a cause of concern for everyone. The need of the hour is to have a proper debate on the safety of the use of the biotechnological products. We will write a custom essay sample on Biotechnology in Environment Clean Up Process specifically for you for only $16.38 $13.9/page Order now We will write a custom essay sample on Biotechnology in Environment Clean Up Process specifically for you FOR ONLY $16.38 $13.9/page Hire Writer We will write a custom essay sample on Biotechnology in Environment Clean Up Process specifically for you FOR ONLY $16.38 $13.9/page Hire Writer The efforts are not only on to use biotechnology to protect the environment from pollution also to use it to conserve the natural resources. As we all know that microorganisms are known natural scavengers so the microbial preparations (both natural as well as genetically engineered) can be used to clean up the environmental hazards. Development of alternate cleaner technologies using biotechnology Biotechnology is being used to provide alternative cleaner technologies which will help to further reduce the hazardous environmental implications of the traditional technologies. E. G. Mom Fermentation technologies have some serious environmental implications. Various biotechnological processes have been devised in which all nutrients introduced for fermentation are retained n the final product, which ensures high conversion efficiency and low environmental impact. In paper industry, the pulp bleaching technologies are being replaced by more environmentally friendly technologies involving biotechnology. The pulp processing helps to remove the logging without damaging valuable celluloses fibers but the available techniques suffer from the disadvantages of high costs, high energy use and corrosion. A logging degrading and modifying enzyme (LED) was isolated from Phonetician chromosome and was used, which on one hand, helped to reduce the energy costs and corrosion and on the other hand increased the life of the yester. This approach helped in reducing the environmental hazards associated with bleach plant effluents. In Plastic industry, the conventional technologies use oil based raw materials to extract ethylene and propylene which are converted to alkaline oxides and then popularized to form plastics such as polypropylene and polyethylene. There is always the risk of these raw materials escaping into the atmosphere thereby causing pollution. Using biotechnology, more safer raw materials like sugars (glucose) are being used which are enigmatically or through the direct use of microbes converted into alkaline oxides. . G. Meticulously capsular has been used for converting alkaline into alkaline oxides. Integration of biological steps in pulping process leading to logging degradation Premeditation Premeditation is defined as the process of using microorganisms to remove the environmental pollutants where microbes serve as scavengers. The removal of organic wastes by microbes leads to environmental cleanup. The other names/terms used for premeditation are obtainment, proclamation, and overestimation. The term Secessionist (xenon means foreign) refers to the unnatural, foreign and synthetic chemicals such as suicides, herbicides, refrigerants, solvents and other organic compounds. The microbial degradation of secessionist also helps in reducing the environmental pollution. Pseudonymous which is a soil microorganism effectively degrades secessionist. Different strains of Pseudonymous that are capable of detoxifying more than 100 organic compounds (e. . Phenols, phenyl, archaeopteryxs, naphthalene etc. ) have been identified. Some other microbial strains are also known to have the capacity to degrade secessionist such as Mycobacterium, Allegiances, Inorganic etc. Factors affecting biodegrading The factors that affect the biodegrading are: the chemical nature of secessionist, the concentration and supply Of nutrients and 02, temperature, pH, redo potential and the capability of the individual microorganism. The chemical nature of secessionist is very important because it was found out that the presence of halogens e. G. N aromatic compounds inhibits biodegrading. The water soluble compounds are more easily degradable whereas the presence of cyclic ring structure and the length chains or branches decrease the efficiency of biodegrading. The aliphatic compounds are more easily degraded than the aromatic ones. Visualization It is a process by which the microbial activity can be enhanced by increased supply of nutrients or by addition of certain stimulating agents like electron acceptors, surfactants etc. Pigmentation It is possible to increase biodegrading through manipulation of genes I. E. Sing genetically engineered microorganisms and by using a range of microorganisms in biodegrading reaction. Depending on the method followed to clean up the environment, the premeditation is carried out in two ways: A) In situ premeditation In situ premeditation involves a direct approach for the microbial degradation of secessionist at the site of pollution which could be soil, water etc. The adequate amount of essential nutrients is supplied at the site which promotes the microbial growth at the site itself. The in situ premeditation is generally used for clean up of oil spillages, beaches etc. There are two types of in situ premeditation- 1) Intrinsic premeditation- The microorganisms which are used for biodegrading are tested for the natural capability to bring about biodegrading. So the inherent metabolic ability of the microorganisms to degrade certain pollutants is the intrinsic premeditation. The ability of surface bacteria to degrade a given mixture of pollutants in ground water is dependent on the type and concentration of compounds, electron acceptor and the duration of bacteria exposed to contamination. Therefore, the ability of indigenous bacteria degrading contaminants can be determined I laboratory by using the techniques of plate count and microcosm studies. The conditions of site that favor intrinsic premeditation are ground water flow throughout the year carbonate minerals to buffer acidity produced during biodegrading, supply of electron acceptors and nutrients for microbial growth and absence of toxic impounds. 2) Engineered in situ premeditation- When the premeditation process is engineered to increase the metabolic degradation efficiency (of pollutants) it is called engineered in situ premeditation. This is done by supplying sufficient amount of nutrients and oxygen supply, adding electron acceptors and maintaining optimal temperature and PH. This is done to overcome the slow and limited premeditation capability of microorganisms. Advantages of in situ premeditation a) The method ensures minimal exposure to public or site personnel. B) There is limited or minimal disruption to the site Of premeditation. C) Due to hose factors it is cost effective. D) The simultaneous treatment of contaminated soil and water is possible. Disadvantages of in situ premeditation a) The sites are directly exposed to environmental factors like temperature, oxygen supply etc. B) The seasonal variation of microbial activity exists. C) Problematic application of treatment additives like nutrients, surfactants, oxygen etc. D) It is a very tedious and time consuming process. B) Ex-situ premeditation In this the waste and the toxic material is collected from the polluted sites and the selected range of microorganisms carry out the premeditation at designed place. This process is an improved method over the in situ premeditation method. On the basis of phases of contaminated materials under treatment ex-situ premeditation is classified into two : a) Solid phase system and (b) Slurry phase systems. A) Solid phase treatment- This system includes land treatment and soil piles comprising of organic wastes like leaves, animal manures, agricultural wastes, domestic and industrial wastes, sewage sludge, and municipal solid wastes. The traditional clean-up practice involves the informal processing of the organic materials and production of composts which may be used as soil amendment. Composting is a self heating, substrate-dense, managed microbial system which is used to treat large amount of contaminated solid material. Composting can be done in open system I. E. Land treatment and/or in closed treatment system. The hazardous compounds reported to disappear the rough composting includes aliphatic and aromatic hydrocarbons and certain halogenated compounds. The possible routes leading to the disappearance of hazardous compounds include balkanization, assimilation, adsorption, popularization and leaching. B) Slurry phase treatment- This is a Triassic treatment system involving three ajar components- water, suspended particulate matter and air. Here water serves as suspending medium where nutrients, trace elements, pH adjustment chemicals and desorbed contaminants are dissolved. Suspended particulate matter includes a biologically inert substratum consisting of contaminants and biomass attached to soil matrix or free in suspending medium. The contaminated solid materials, microorganisms and water formulated into slurry are brought within a fabricator I. E. Fermented. Biologically there are three types of slurry-phase fabricators: aerated lagoons, low shear airlift reactor, and fulfilled-bed soil reactor. The first two types are in use of full scale premeditation, while the third one is in developmental stage. Advantages of ex-situ premeditation a) As the time required is short, it is a more efficient process. B) It can be controlled in a much better way. C) The process can be improved by enrichment with desired and more efficient microorganisms. Disadvantages Of ex-situ premeditation a) The sites of pollution remain highly disturbed. ) Once the process is complete, the degraded waste disposal becomes a major problem. C) It is a costly process. Several types of reactions occur during the premeditation/microbial gradation a) Aerobic premeditation- When the biodegrading requires oxygen 02 for the oxidation of organic compounds, it is called aerobic premeditation. Enzymes like anonymousness and disadvantages are involved and act on aliphatic and arom atic compounds. B) Anaerobic premeditation-This does not require oxygen 02. He degradation process is slow but more cost effective since continuous supply of oxygen is not required. C) Sequential premeditation- Some of the xenophobic degradation requires both aerobic as well as anaerobic processes which very effectively reduces the toxicity e. G. Treacherousness and tetrachlorides undergo sequential degradation. Use of genetic engineering and genetic manipulations for more efficient premeditation In recent years, efforts have been made to create genetically engineered microorganisms (GEMs) to enhance premeditation. This is done to overcome some of the limitations and problems in premeditation. These problems are: a) Sometimes the growth Of microorganisms gets inhibited or reduced by the secessionist. B) NO single naturally occurring microorganisms has the capability of degrading all the secessionist present in the environmental pollution. C) The microbial gradation is a very slow process. D) Sometimes certain secessionist get adsorbed on to the particulate matter of soil and thus become unavailable for microbial degradation. As the majority of genes responsible for the synthesis of enzymes with biodegrading capability are located on the plasmids, the genetic manipulations of plasmids can lead to the creation of new strains of bacteria with different degradation pathways. In sass, Charitably and his team of co-workers reported the development of a new strain of bacterium Pseudonymous by manipulations of plasmid transfer which they named as superb. This superb had the pap ability of degrading a number of hydrocarbons of petroleum simultaneousness as camphor, octane, Selene, naphthalene etc. In 1980, united States granted the patent to this superb making it the first genetically engineered microorganism to be patented. In certain cases, the process of plasmid transfer was used. E. G. The bacterium containing CAM (camphor degrading ) plasmid was conjugated with another bacterium with COT (octane degrading) plasmid. Due to non-compatibility, these plasmids cannot coexist in the same bacterium. However, due to the presence of homologous regions of DNA recombination occurs between these two lassies which results in a single CAM-COT plasmid giving the bacterium the capacity to degrade both camphor as well as octane. A new strain of Pseudonymous SP. (strain ATSC 1915) has been developed for the degradation Of ventilate (which is a waste product from paper industry) and sodium decoded sulfate (SD, a compound used in detergents). Biotechnological method to reduce atmospheric carbon dioxide (CA) Carbon dioxide is the gas that is the main cause of green house effect and rise in the atmospheric temperature. During the past 100-150 years, the level of CA has increased bout 25% with an increase in the atmospheric temperature by about 0. % which is a clear indication that CA is closely linked with global warming. There is a steady increase in the CA content due to continuous addition of CA from various sources particularly from industrial processes. It is very clear that the red action in atmospheric CA concentration assumes significance. Biotechnological methods have been used to reduce the atmospheric CA content at two levels: a) Photosynthesis- Plants utilize CA during the photosynthesis which reduces the CA content in the atmosphere. The equation for photosynthesis is: sunlight CA + 6 HUH 06 + 602 Chlorophyll The fast growing plants utilize the CA more efficiently for photosynthesis. The techniques of misappropriation and synthetic seeds should be used to increase the propagation of such fast growing plants. Further, the CA utilization can be increased by enhancing the rate of photosynthesis. The enzyme ribose phosphate carboxylic (RUB-case) is closely linked with CA fixation. The attempts are being made to genetically manipulate this enzyme so that the photosynthetic efficiency is increased. Some micromanage like Chloral oppressions, Spiraling maxima are known to be more efficient Han higher plants in utilizing atmospheric CA for photosynthesis and generate more 02 than the amount of CA consumed. The growing of these micromanage near the industries and power plants (where the CA emission in to atmosphere is very high) will help in the reduction of polluting effects of CA. Using genetic engineering attempts are going on to develop new strains of these micromanage that can tolerate high concentrations of CA. A limited success has already been reported in the mutants of Inactions undulant and Society SP. ) Biological Calcification- Certain deep sea organisms like corals, Rene and red algae store CA through a process of biological calcification. As the Cacao gets precipitated, more and more atmospheric CA can be utilized for its formation. The process of calcification is as follows: H2O + CA- H CHIC ca 2+- cacao + CA + H2O Treatment of sewage using microorganisms The sewag e is defined as the waste water resulting from the various human activities, agriculture and industries and mainly contains organic and inorganic compounds, toxic substances, heavy metals and pathogenic organisms. The sewage is treated to get rid of these undesirable substances y subjecting the organic matter to biodegrading by microorganisms. The biodegrading involves the degradation Of organic matter to smaller molecules (CA, NH, POP etc. ) and requires constant supply of oxygen. The process of supplying oxygen is expensive, tedious, and requires a lot of expertise and manpower. These problems are overcome by growing micromanage in the ponds and tanks where sewage treatment is carried out. The algae release the 02 while carrying out the photosynthesis which ensures a continuous supply of oxygen for biodegrading. The algae are also capable of adsorbing certain heavy toxic metals due to the active charges on the algal cell surface which can take up the positively charged metals. The algal treatment of sewage also supports fish growth as algae is a good source of food for fishes. The algae used for sewage treatment are Chloral, Euglena, Chlamydeous, Condescends, Ultrix, Attribution etc. Role of biotechnology in restoration of degraded lands The arbitration and increased human activity has led to degradation of habitats. The restoration of the degraded lands can be carried out by using biotechnology which involves the manipulations of biological systems. This estimation could be carried out by the following biotechnological methods: a) use of misappropriation and myocardial for reforestation One of the approaches to tackle this problem is to develop strong and superior species which have the capability to grow well on degraded lands. This can be done by using mass multiplication which involves starting aseptic culture, multiplication of shoot using shoot apical merits or buds, rooting of in vitro formed shoots, transfer, acclimatization and adaptation of misappropriated platelets in the field. Using this methodology an estimated 500 million plants of diverse nature have been produced. Mechanized, which are symbiotic non-pathogenic associations between plant roots and fungi, improves the seedling survival and growth by enhancing uptake of nutrients and water. They also lengthen the root life and provide protection against the pathogens. A list of fungi which can efficiently form mechanized has been prepared. These fungi can be used as inoculate which are applied to roots of seedlings, to allow formation of mechanized. The experimental infection of misappropriated plants during rooting increases their survival chances in the field, which is very important in case of plantations on degraded lands. ) Improvement of soil infertility through the use of nitrogen fixing bacteria, Rhizome in association with leguminous trees and Frankie in association with non leguminous species. Biotechnological methods are being developed to help the non-leguminous plants to survive under adverse conditions such as low nutrient supply. There are about 160 species of angiosperms, which are known to form nitrogen fixing root nodules with the stationmasters bacteria belonging to the genus Frankie which is being used for this purpose. Frankie helps in nitrogen fixation in non-leguminous plant species therefore it an be used for land reclamation through reforestation due to high biomass production with out the need of expensive nitrogen fertilizers. ) Development of plants tolerant to biotic stress which can be grown on degraded lands The techniques like tissue culture and genetic engineering are being used to develop plants resistant to biotic stresses e. G. Salinity, acidity, aluminum toxicity etc. The cell lines which exhibit resistance to salt stress are selected and then used for plantation on degraded lands. E. G. Brassier SSP. , Citrus uranium, Inactions tobacco etc. Rese arch is going on to understand he molecular basis of salt tolerance and to isolate genes responsible for this attribute so that salt tolerant plants can be developed using genetic engineering. In vitro selection for tolerance to biotic stress like aluminum toxicity has been successful in certain plant species e. G. Tomato, rice, barley, rice and wheat. Trickle which is a man made synthetic crop has been found suitable for growing on acid soils, dry and sandy soils, on alkaline and calcareous soils and on mineral deficient and high boron soils especially in countries like Kenya, Ethiopia, Ecuador, Mexico, Brazil etc. In China, a number f new stress resistant varieties of rice, wheat and tobacco have been developed using anther culture. ) Use of selected and engineered microbes for removal and recovery of strategic and precious metals from contaminated degraded lands. The domestic and industrial effluents often contain harmful heavy metals. These heavy metals cause soil contamination when these effluents are used for irrigation purposes. The biotechnological methods and procedures are being developed to prevent the contamination by these heavy metals and also restore the con taminated soils. This involves the selective use of engineered microbes. Plasmids have been constructed which can enhance the recovery of gold from reactionaries ores, by Tabulations foreordains. Gendarme lucid which is a wood rotting unglamorous , is a highly potential absorbent material for heavy metals and thus can be used to control contamination by heavy metals. The metal pollution occurs through several processes. As the living organisms including man are constantly exposed to metals, they accumulate by a process referred to as fasciculation. The continuous exposure and accumulation of a given metal leads to increase in its concentration which is referred to as pontification;. Pontification occurs through food chain and the man gets the maximum impact due to its being on top of the food chain. The ventilation is carried out by microorganisms in the soil and water and involves the process of transfer of methyl groups from organic compounds to metals. Some phytoplanktons (plants that float freely on water surface) and some benthic (plants attached to some substratum at the bottom of aquatic bodies) microorganisms can take up the metals from the waste water ponds. These natural vicegerents not only control the water pollution by absorbing metals but also contributes in the recovery of industrially important metals from the effluents. The microorganisms like algae can absorb metals form the fresh water e. G. Chloral vulgarism takes up copper, mercury, uranium. Certain fungal species like Rhizomes, Espadrilles, Penicillin, Neurosurgeon are good absorbers of heavy metals like lead, mercury etc. Some of the bacterial species are capable of accumulating metals on cell walls such as E. Coli can take up mercury while Bacillus circulars can accumulate copper. The mechanism of metal scavenging by these microorganisms is very complex and involves multiple steps. Some of the microorganisms fasciculate these metals on their cell walls whereas some there have the capacity to transport these metals to intracellular and intracellular free space and cellular organelles. In certain cases some of the metals occur as immobilizers metal containing crystals e. G heavy metal complexes of calcium oxalate crystals. Some of the fungal and algal species synthesize metal binding proteins or peptides. Photochemical is an ubiquitous metal chelating protein present in all plants and acts as a common buffering molecule for the homeostasis of metals. It is rich in cytosine and can form salt metal complexes through sculptural (SSH) groups. Due to this property, photochemical can be used as a biometry for metal pollution detection. The mechanisms involved in the removal of metals by microorganisms are: adsorption, complication, precipitation and balkanization. The process of adsorption involves the binding of metal ions to the negatively charged cell surfaces of microorganisms. The process of complication leads to production of organic acids e. G. Citric acid, oxalic acid, cloning acid, lactic acid, malice acid etc. Which chalet the metal ions. In precipitation, the metals are precipitated as hydroxides or sulfates by some bacteria such as which produce ammonia, organic bases or HAS. E. G. Desultoriness and Dessertspoonfuls transform SIS to HAS which promotes extracurricular precipitation of insoluble metal sulfides. Kielbasa arrogates detoxifies cadmium sulfate which precipitates on cell surface. Balkanization involves bacteria th at causes mutilation Of Hag+ and converts to timely mercury which is a volatile compound. Whole cell of Bacillus subsists have been shown to reduce gold from AAU+ to Au O through extracurricular enzymatic beatifications. Under anomic environment, sulfate- reducing bacteria (Desultoriness) oxidize organic matter using sulfate as an electron acceptor. In yeast, Chromosomes accessories removal of metals is done by their precipitation as sulfides e. G. Cue+ is precipitated as Cuss. Several technologies for metal removal have been commercialese and employed are given below: ATOMICALLY process: The advance Mineral Technology (AT M) Inc. U. S. A. ) developed a waste water treatment process with Bacillus SP. immobilizers and pre-treated in caustic solution. It is specific for metal actions in the order: Cue+ ; Zen+ ; CDC+ = NIH+ ; Pub+. Alligators process: Everybody systems, Inc. (U. S. A) developed this proprietary based material which consists Of several hypes of living and non living algae. The algal cultures are immobilizers in silica gel in the form of beads and descriptio n of metals is carried out. Premeditation of coal wastes through VAMP fungi: Selected VAMP fungi are introduced through plants in coal mine areas where it was found that VAMP fungi improved the growth and survival of desirable re-vegetation species e. G. Red maple, maize, alfalfa etc. BIO-FIXITY process: The bureau of Mines (U. S. A) developed this process that consists of biomass immobilizers in polystyrene. It consists of thermally killed biomass of Sphagnum pat moss, algae, yeast, bacteria and/or aquatic flora. The beads are suitable for practical application in stirred tank reactor, fixed and fulfilled-bed columns. ) Use of biotechnology in the conservation of biodiversity The extinction of wild species due to the destruction of habitats and ecosystems has raised serious concerns about the biodiversity in general. Biodiversity provides genes from wild species for biotechnology exercises and experiments hence biotechnology and biodiversity are interrelated. Besides taking steps to minimize and regulate the factors responsible for causing loss of biodiversity, efforts are on to develop the techniques of conservation of diversity. One of the methods involves the establishment of gene banks leading to in situ conservation and ex situ conservation. The in situ conservation involves the conservation of plants and animals in their natural habitat and ecosystems. The ex situ conservation includes conservation of species away from their habitats. The ex situ conservation uses sample populations and establishes the gene banks which includes resource centers, zoos, botanical gardens, national parks, culture collection centers etc. Biotechnology offers special methods to conserve both animal and plant emetic resources especially in the conservation of endangered plant species. The tissue culture method is being used to multiply an endangered plant species. The method of embryo transfer and artificial insemination is used for the multiplication of endangered animal species. Use of biotechnology in reducing the use Of chemical pesticides, herbicides and fertilizers I A lot of debate is going on the overuse of chemical herbicides, pesticides and fertilizers. They become an environmental hazard because they undergo degradation by microorganisms and ultraviolet light which releases toxic Heimlich in the environment.

Free Essays on Jacobite Rebellion Of 1745

I. Prince Charles Edward Stuart Prince Charles Edward Stuart was born to his parents, James â€Å"III† of England and Clementina Sobieska of Poland, on December 31, 1720 in Rome, Italy. As Charles was the grandson of James II, former King of England, letters of congratulations and support immediately poured in from those who celebrated the continuation of the catholic claim to the English throne. â€Å"Bonnie Prince Charlie† was immediately baptized as a member of the Catholic faith in the presence of the Pope himself, and word spread throughout Europe of the newborn. Publicly, Charles was claimed to be a healthy, strong, well-built child who quickly mastered English, French, and Italian. Stuart supporters took great pride in this reported potential, but the stories were far from the truth. In reality, Charles was an extremely weak child who did not walk until the age of four. Even at this point Charles required assistance, which came mostly from his nurse Mrs. Sheldon, whom had been hired by James and Clementina to raise the boy. Intellectually, Charles may have been even less impressive. Although it was claimed that Charles mastered multiple languages in childhood, he never in his life quite grasped English; he was more than twenty when he began to study French, and he never learned Italian. In letters written in his adult years, Charles would exhibit horrid spelling capabilities by writing â€Å"God nose† in place of â€Å"God knows† or â€Å"gems† for â€Å"James†. His educational destitution has been attribu ted to the focus placed on physical development in his early years, but Charles never displayed an interest in mental stimulation. James recruited countless renowned educational trainers from around the world; all of them failed to inspire or instigate Charles and his less-than-gifted mind. For three years, beginning when Charles was less than five years old, the young prince’s life was plagued with familial scandal an... Free Essays on Jacobite Rebellion Of 1745 Free Essays on Jacobite Rebellion Of 1745 I. Prince Charles Edward Stuart Prince Charles Edward Stuart was born to his parents, James â€Å"III† of England and Clementina Sobieska of Poland, on December 31, 1720 in Rome, Italy. As Charles was the grandson of James II, former King of England, letters of congratulations and support immediately poured in from those who celebrated the continuation of the catholic claim to the English throne. â€Å"Bonnie Prince Charlie† was immediately baptized as a member of the Catholic faith in the presence of the Pope himself, and word spread throughout Europe of the newborn. Publicly, Charles was claimed to be a healthy, strong, well-built child who quickly mastered English, French, and Italian. Stuart supporters took great pride in this reported potential, but the stories were far from the truth. In reality, Charles was an extremely weak child who did not walk until the age of four. Even at this point Charles required assistance, which came mostly from his nurse Mrs. Sheldon, whom had been hired by James and Clementina to raise the boy. Intellectually, Charles may have been even less impressive. Although it was claimed that Charles mastered multiple languages in childhood, he never in his life quite grasped English; he was more than twenty when he began to study French, and he never learned Italian. In letters written in his adult years, Charles would exhibit horrid spelling capabilities by writing â€Å"God nose† in place of â€Å"God knows† or â€Å"gems† for â€Å"James†. His educational destitution has been attribu ted to the focus placed on physical development in his early years, but Charles never displayed an interest in mental stimulation. James recruited countless renowned educational trainers from around the world; all of them failed to inspire or instigate Charles and his less-than-gifted mind. For three years, beginning when Charles was less than five years old, the young prince’s life was plagued with familial scandal an...

Ping Pong and China Essay Example | Topics and Well Written Essays - 1500 words

Ping Pong and China - Essay Example The game is of low intensity since little physical activity is needed. The game also have become more of men’s championship since 1959. Ping pong became an Olympic sport in 1988 (Hong, 2008). Ping pong grew rapidly in China and became the main game due to several reasons. The main reason as to the popularity of the game was due to its low cost making it affordable to many. There is no professional training that was required and this made everyone being able to participate (Memphis, 2010). The country also contributed much in the popularity with Chairman Mao’s promotion on the game. He loved and played the game and wanted to make sure that the game was recognized. The country also had gold medal rush that was in favor of the game hence the popularity. The country also had glory on the game making it more popular (Griffin, 2004). The game has been the official one to the Chinese since 1950s and has from then has given china a taste of national glory. In national Olympics, china has won twenty three out of the twenty seven medals making it feel like the game has been china’s. China as a nation has focused less on other games rather than ping pong marking it not become a marginal country (Griffin, 2004). The game in china has symbolized and also played a direct role in the fate of the nation. It did this by absorbing the game from the imperial power and then they made it their own. Mao Zedong declared the game, ping pong the national sport for China. In the championships, China won its first victory in 1959 after defeating japan in the final stage. Popularity of the game in China has grown since 1988 (Hong, 2008). In 2008 the China team won both the medals, gold, silver and bronze in both the men and women category singles and again won gold and silver in both doubles. The winning of the medals then became regular for the players. When they first competed they dominated the dominated the world championship. This success made the

Financial Statement summary of your analysis Essay

Financial Statement summary of your analysis - Essay Example These ratios reveal the bottom line of the company and the returns it offers to its investors (Kieso et al. 2011). Profitability ratios show the general efficiency and performance of the company. Net profit ratios increased from 9.48% in 2012 to 9.76% in 2013 indicating an increase in profitability. It decreased from 9.76% in 2013 to 9369% in 2014 indicating a reduction in performance of the company. Generally, the company’s performance and efficiency,  its operations have fluctuated throughout the period. Compared to the industry, Nike is less profitable because its ratios are lower than those of the competitors. This category of ratios shows how well a company is managing its liabilities. They also show how effectively a company is using its assets to generate revenues (Wahlen et al. 2010). The days sales outstanding decreased from 49days in 2012 to 44.9 days in 2012. This implies that Nike is profitable to convert its sales into cash quickly. In 2014, it increased to 45.1days from 44.9 days in 2013, implying a reduction in profitability due to slow conversion of sales into cash. Inventory turnover increased to 7.72 in 2013 from 7.24 in 2012 meaning it used fewer inventories to generate more revenue. In 2014, it used more inventories to generate less revenue since inventory turnover reduced from 7.27 in 2013 to 7.04. Total asset turnover decreased in 2013 to 1.44 from 1.50 in 2012 and increased to 1.49 in 2014 from 1.44 in 2013. Nike is more efficient in its operations than the industry average; it uses fewer assets and inventories to generate more revenues unlike other firms in the industry. It also collects its receivable more quickly than the competitors (Kapil, 2011). Debt ratios determine the long-term solvency of the company (Warren & Reeve, 2009).   The debt to equity ratio increased from 0.48 in 2012 to 0.58 in