Water Technology Hardness of Water: Natural waters containing large quantities of dissolved salts of Calcium (Ca) & Magnesium (Mg) is called hard water. It is a characteristic of preventing lather formation of water with soap. Ca2+ & Mg2+ ions react with soaps which are salts of fatty acids (stearic or palmitic acid) to give insoluble scums or precipitates of calcium or magnesium stearate or palmitate. 2C17H35COO- + Ca2+ → (C17H35COO)2 Ca (scum) 2C17H35COO- + Mg2+ → (C17H35COO)2
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Urban sustainability Name Instructor In the global context‚ Urbanization is viewed as an essential trend for development for a couple of decades to come‚ this is especially the case in Sub-Saharan Africa and Asian countries. Cities in mentioned regions as well as other parts of the world are predicted to promote sustainable development of their respective nations. This is supported by the knowledge that urbanization if well-articulated can enhance economic
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obtained include: ground sources such as groundwater‚ hyporheic zones and aquifers. precipitation which includes rain‚ hail‚ snow‚ fog‚ etc. surface water such as rivers‚ streams‚ glaciers biological sources such as plants. the sea through desalination Access to safe water can be measured by the number of people who have a
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Wastewater Wastewater is any water that has been adversely affected in quality by anthropogenic influence. It comprises liquid waste discharged by domestic residences‚ commercial properties‚ industry‚ and/or agriculture and can encompass a wide range of potential contaminants and concentrations. In the most common usage‚ it refers to the municipal wastewater that contains a broad spectrum of contaminants resulting from the mixing of wastewaters from different sources. Sewage is correctly the
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Judy Graves Dr. Ad Muniz Anthropology 370 December 4‚ 2012 The Impact Stress creates upon the Human Body Introduction Many issues and problems exist upon the world. One of the biggest ones we face on a daily basis is stress. There is no such thing as no stress. At some point throughout the day or even through the week‚ there is some stress that exists‚ regardless of what it may be or the cause of it. Stress can come from anything‚ whether it is confronted with a challenge at work‚ school‚
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Domestic Oil Subsidization Impact on the Saudi Economy 4/30/2012 King Saud University Motaz Alturayef Table of Contents 1. Introduction 2 2. Current Consumption Trend 2 Population Growth 2 Oil Consumption 3 Water 4 3. Effects of Low Energy Prices 5 Increased burden on Government 5 How Can we be and Oil Independent Country 8 4. Conclusion 10 1. Introduction Saudi Arabia the largest oil producer in the work is facing economic challenges due to the increasing domestic
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Organizational Culture Huawei launched its “Huawei Basic Law” in 1998. This law makes every details into formal regulations on the basis of summing up its own development experience. It aims to make Huawei’s development plan and to determine Huawei ’s second pioneering concepts‚ strategies‚ principles and basic policies. Huawei ’s corporate culture embodies its "core values." Huawei ’s Basic Law" clearly stated its core values which are the pursuits of the following aspect: customers in the
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Barlow‚ Maude February 25‚ 2008 *The* Global Water Crisis and the Coming Battle for the Right to Water Foreign Policy in Focus‚ www.fpif.org A disturbing article by Maude Barlow‚ which pertains to the building tension between countries‚ regions‚ etc. in‚regards to shared water sources. She highlights the possibilities of issues arising from disagreements in the use and treatment of water sources. Amster‚ Randall March 10‚ 2009 Water‚ Water Everywhere? Sustaining Scarce Resources in
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The Problem with Pollution In China and How Technology Can Help The pollution in China is at the worst it has ever been in years. Since the beginning of this year‚ the levels of air pollution in Beijing have been dangerously high‚ with thick clouds of smog chasing people indoors‚ disrupting air travel‚ and affecting the health of millions. The two weeks in the middle of January of this year have been especially bad; at one point the pollution level measured 40 times recommended safety levels
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MINERAL AND POWER RESOURCES India has a variety of mineral resources that play a very important role in the industrial development of the country. India has large deposits of Iron ore‚ manganese ore and bauxite ore. India has a virtual monopoly over mica. India is self-sufficient in coal but coking coal is limited. India has small deposits of zinc‚ copper‚ lead and gold. It lacks sulphur and is poor in the production of mineral oil and natural gas. We have small deposits of minerals required for
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