Technical brief Rainwater harvesting Part of a series of WaterAid technology briefs. Available online at www.wateraid.org/ technologies January 2013 Introduction Where there is no surface water‚ where groundwater is deep or inaccessible due to hard ground conditions‚ or where it is too salty‚ acidic or otherwise unpleasant or unfit to drink‚ another source must be sought. In areas that have regular rainfall‚ the most appropriate alternative is the collection of rainwater‚ called
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Freezing out profits Synopsis Freezing out profits is an article that discussing on one company which is Cold Cuts Ltd (CC). The managing director for this company is Mr. Dali. It produces Singapore’s only refrigeration parts and specializing in it. He is the one that is responsible for all the decision making that need to be done in the company. CC was essentially a subcontractor of components for customers who were original equipment manufacturers (OEMs). This company not only faced competition
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Micropower Energy Harvesting Abstract More than a decade of research in the field of thermal‚ motion‚ vibration and electromagnetic radiation energy harvesting has yielded increasing power output and smaller embodiments. Power management circuits for rectification and DC–DC conversion are becoming able to efficiently convert the power from these energy harvesters. This paper summarizes recent energy harvesting results. Introduction The low power consumption of silicon-based electronics
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Philosophy Essay Is the human embryo a ‘Potential Person’ or a ‘Person with Potential’? For centuries‚ reproduction was considered to be the work of nature. People had no control over it because they did not have enough information about the process of reproduction to be able to moderate the number of children they had. The mentality of reproduction letting “nature” decide has changed because of advances in reproductive techniques. Nowadays human life can begin‚ not just in a woman’s womb‚ but
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RAIN WATER HARVESTING Introduction: Till about thirty years back‚ the areas around our homes and offices used to be unpaved and the rain falling on these areas would percolate into the soil and remain there for being drawn through shallow open wells. With the proliferation of flat complexes‚ not only have these areas been paved and percolation of rainwater into the soil almost totally stopped‚ the quantity of water drawn from the soil below has increased manyfold. Consequently open wells and not
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Embryo research is coming up in headlines more and more every day. It’s a common controversial subject. Embryo research is the proposal to use human embryos to grow stem cells or master cells that form immediately after a human egg is fertilized. The master cells or stem cells develop into all parts of the body‚ brain‚ blood‚ skin‚ and muscle. Many people argue if the embryo research is right or wrong and if it’s beneficial or just a waste of time. There are some good things about embryo research
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three frozen embryos to Augusta because the award violated the parties’ embryo agreement. In addition‚ the agreement clearly provided for disposal of the frozen embryos in the case of divorce and the trial court was wrong for not enforcing that agreement. The specific provision in the embryo agreement stated that “we consent and authorize the embryos to be stored in a frozen state until Dr. Schnell and the IVF Laboratory determine that appropriate conditions exist for transfer of the embryos to the wife’s
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The Ethical Issues Of The Loeb Vs. Vergara Embryo Dispute This paper seeks to answer questions raised by Nick Loeb’s “Sofia Vergara’s Ex-Fiancé: Our Frozen Embryos Have a Right to Live” (The New York Times‚ 29 April 2015). The key issues identified in his article are the importance of family‚ procreation‚ pro-life vs. pro-choice‚ and moral duty. In my evaluation of these issues‚ I believe that the rights of a person may outweigh another. The prospects of what is a “Good” family life for the child
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measuring the freezing point depression of a known amount in an aqueous solution. Freezing point depression is a colligative property of solutions. There are three other properties‚ which are boiling point elevation‚ vapor pressure depression‚ and osmotic pressure. Colligative properties of a solution depend on the amount of solute and solvent molecules and not the specific properties of the molecules. The temperature at which the solvent starts to freeze will be specified as the freezing point of the
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companies such as “23andme” have patents on these tests for when they are developed in the future. ( Embryo screening involves a process called preimplantation genetic diagnosis (PGD). Embryos are created by in-vitro fertilization and grown to the eight-cell stage‚ at which point one or two cells are removed. Scientists (Doctors) then examine the DNA of these cells for defects‚ and only normal embryos are replaced in the womb. Doctors believe that new gene editing tools could soon give us the ability
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