PORTLAND CEMENT Chemical composition. Portland Cement is made up of four main compounds: tricalcium silicate (3CaOSiO2)‚ dicalcium silicate (2CaOSiO2)‚ tricalcium aluminate (3CaOAl2O3)‚ and a tetra-calcium aluminoferrite (4CaO Al2O3Fe2O3). In an abbreviated notation differing from the normal atomic symbols‚ these compounds are designated as C3S‚ C2S‚ C3A‚ and C4AF‚ where C stands for calcium oxide (lime)‚ S for silica‚ A for alumina‚ and F for iron oxide. Small amounts of uncombined
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Writing A Literature Review and Using a Synthesis Matrix My professor says I have to write a literature review‚ what do I do? Well‚ to begin‚ you have to know that when writing a literature review‚ the goal of the researcher is to determine the current state of knowledge about a particular topic by asking‚ “What do we know or not know about this issue?” In conducting this type of research‚ it is imperative to examine several different sources to determine where the knowledge overlaps and where it
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Literature Review Assignment The primary purpose of this assignment is to help you understand that the literature review is an integral part of any research project and how it lays the groundwork for the investigation you will do. Quoting from Hart (1998‚ p 13)‚ Sekaran and Bougie (2013) define a literature review as‚ …the selection of available documents (both published and unpublished) on the topic‚ which contain information‚ ideas‚ data and evidence written from a particular standpoint to fulfill
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.........1 1.1 Background of the Study 1 1.1.1 The Kenyan Cement Industries 3 1.2 Statement of the Problem 4 1.3 Objectives of the Study 5 1.4 Significance of the Study 5 1.5 Justification for the Study 6 1.6 Scope of the study 6 CHAPTER TWO: LITERATURE REVIEW 7 2.0 Introduction 7 2.1 The concept of green procurement 7 2.2 Appreciation of Green Procurement in the Cement Industry 7 2.3 Green Procurement Practises in the Cement Industry 9 2.4 The Impact of Green Procurement on the Performance of
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KFC spreading its wings and more throughout China By Ted Anthony The Associated Press BEIJING - The late Colonel Harland Sanders‚ whose bearded‚ down-home visage adorns chicken restaurants from Kentucky to Karachi‚ is headed for a new frontier: the mountains of Tibet. There’s more: The Mexican-style fast food of the Taco Bell chain will expand across China in the near future. Pizza Hut will step up its home deliveries. And KFC’s already imposing presence in the world’s most populous country
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Homelessness is a global tragedy that is an ongoing problem which arouses anxiety in government and civil society. There are many difficulties in defining what ‘homelessness’ really means. There has been a long debate about the definition of homelessness in Western countries (Neil & Fopp‚ 1992). Questions arise such as; how should we define people who don’t own their own accommodation but are staying temporarily with other households? Should they be labelled as homeless? This leads to the debate
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Writer: Linber LewisSchool: President’s College‚ GuyanaIf one asks the question‚ what can floods do?‚ then the following may seem like fitting answers. During the summer monsoon season‚ heavy rains cause destructive floods in Southeast Asia. In China‚ the floods of the Huang He River have been so frequent and devastating that the river is called Chinas Sorrow. Likewise in the US‚ record spring and summer rains in 1993 caused the Mississippi Rover to overflow its banks‚ flooding farms and towns from
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Insomnia Insomnia affects almost half of adults living in America. (# 8‚ 2012) This is a shared sleeping disorder that many people across the universe are diagnosed with. Several causes of insomnia include exercising too much‚ stress‚ withdrawal from alcohol or a certain drug‚ physical circumstances‚ and diseases. People with insomnia usually have trouble going to sleep or staying asleep‚ which causes people to have poor-quality sleep‚ which will affect their mood‚ energy‚ and productiveness
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This article focuses on hyperacusis is‚ how it works‚ and the different treatment approaches based on what is currently known. Hyperacusis is defined as “ unusual tolerance to ordinary environmental sounds and‚ more pejoratively ‚ as consistently exaggerated or inappropriate responses to sounds that are neither threatening nor uncomfortable loud to a typical person‚” (Baguley 2003) I learned in class that due to cochlear hearing loss caused by the loss of outer hair cells‚ patients have a smaller
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Momordica charantia The phytochemical prospection of the fresh and dried leaves extracts‚ fruits‚ seeds‚ and bark of the plant contains resins‚ alkaloids‚ flavonoids‚ glycosides‚ steroids‚ terpenes‚ cardiac glycoside‚ saponins having various medicinal importance viz. anti-HIV‚ anti-plasmodial‚ shigellocidal‚ anti-diarrheal‚ anti-septic‚ anti-bacterial‚ anti-viral‚ anti-inflammatory‚ anti-microbial‚ hypoglycemic‚ antioxidant‚ analgesic and hepatoprotective properties. PubMed.gov http://www.ncbi
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