Literature review2.1 introductionthis chapter gives an insight into various studies conducted by outstanding researchers, as well as explained terminologies with regards to assessing the contamination level by heavy metals in five different brands of baby foods. the chapter also gives a resume of th...

Literature review2.1 lubrication and lubricants.lubrication is the branch of science that deals with the application of lubricants to moving machine parts. the functions of lubricants are as follows; to reduce friction between moving parts, and so minimize the frictional effect of metal-tometal c...

Literature reviewit is important to get the right amount of calcium [at least 1000mg a day] in our food because the body loses calcium every day. foods rich in calcium include dairy products (milk, cheese), eggs, fish, green vegetables, and fruit. 2.1.0: reasons for serum calcium testmost people...

Materials and methods materialsplant materialthe leaves of senna mimosoides were collected from ibagwa roadside, nsukka in enugu state of nigeria, during the months of july and august, 2011. the plant characterisation and identification was carried out by a taxonomist, mr p.o. ugwuozor, in the...

Materials and methods 2.1 materials 2.1.1 plant materials the fresh fruits used for this study were apple (malus domestica), orange (citrus sinensis), pineapple (ananas comosus) and red grape (vitis vinifera). 2.1.2 collection of samples industrially processed fruit juices (100% and 50%) from four d...

Material and methods 2.1 materials 2.1.1 apparatus and equipment the following apparatus were used in this study which includes beakers test-tube soxhlet extractor oven grinder polythene charcoal firewood drums gc-ms spectrophotometer pyrex pyrex pyrex samsumg locally produced locally produced...

Review of literatureintroductionour focus in this chapter is to critically examine relevant literature that would assist in explaining the research problem and furthermore recognize the efforts of scholars who had previously contributed immensely to similar research. the chapter intends to deepen th...

Literature reviewintroductionour focus in this chapter is to critically examine relevant literatures that would assist in explaining the research problem and furthermore recognize the efforts of scholars who had previously contributed immensely to similar research. the chapter intends to deepen the...

Literature review severe malnutrition is one of the most important underlying causes of child mortality in developing countries, particularly during the first 5 years of life (unicef, 2008). the major causes for this are poverty, world conflicts, lack of education, natural disasters and poor access...

Literature review2.1 biosorptionbiosorption can be defined as the removal of metallic ions by means of passive adsorption, or complexion by living biomass or organic waste (davis and volesky, 2003). other definition of biosorption is the ability of biological materials to accumulate heavy metals fr...

Studies on the impact resistance of cashew nutshell powder and calcium carbonate filled polypropylene chapter two 2.0 literature review 2.1 background of literature reinforcement of polymer blends is particularly useful in those cases where blending produces improvement of some pro...

Production of domestic powder chapter twoliterature review:cosmeticscosmetics are the end product of cosmetic chemistry, a not too well-defined science that blends the skill of specialists in the chemical, physical, biological and medical field.powders and other cosmetic products are generally cal...