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    de las aduanas, producto en gran parte, de la adopción de la tasa de cambio del mercado libre para liquidar los impuestos sobre las importaciones, y al establecimiento ad-hoc de un apreciable diferencial en el precio aplicado al consumo de los combustibles. El 42% de los ingresos tributarios en 1996 se debió a los impuestos sobre las importaciones y al diferencial del petróleo.

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    Usos y Aplicaciones de los Alcanos

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    La química del carbón estudia las sustancias que contienen carbono e hidrogeno, las cuales también se pueden denominar compuestos orgánicos; pequeñas cantidades de oxigeno, nitrógeno, fosforo o azufre también se pueden encontrar en estos tipos de compuestos. Pero, la relación que tienen los alcanos con la química del carbón es que están formados de ellos; los compuestos que poseen un enlace carbono a carbono (C-C) y carbono a hidrogeno (C-H) se les denominan hidrocarburos, ya que solo esta formado

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    Nowdays people rely on gasoline (petroleum) as a basic form of fuel, but gasoline prices are starting to be a problem. A bigger problema is that people forget about other alternative combustible form of fuels like Biodiesel, Ethanol, and Electricty or most common known as Hybrids. This alternative fuels are better than gasoline because they dont contamínate that much, reduce pollution and the emissions of greenhouse gasses. Biodiesel is a renewable fuel made of vegetable oils which is use for heavy

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    mientras que en la actualidad esa cifra se encuentra en torno al 10%. Por otro lado, las energías renovables aumentarían hasta proveer el 10% de la energía, el doble que hoy en día. Todo esto significaría una reducción del 55% en el uso de los combustibles fósiles (petróleo, gas natural, etc.) que ronda en torno al 85% actualmente . Sin embargo, el terrible accidente que tuvo lugar en la central nuclear de Fukushima el 11 de marzo de 2011 ha provocado un cambio en la política energética del país

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    The phlogiston theory states that the every combustible substance contains phlogiston. When a combustible substance is burned, phlogiston is released into the air. The people behind the theory believed that the whenever a substance sets on fire, the fire gives off phlogiston. The phlogiston was believed be the kind of gas which causes fire. Without phlogiston, the combustible substance won’t be able to start fire. In the late 1660’s a scientist named as Johann Joachim Becher tried to explain

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    Classes: A) Standard combustibles such as wood, clothing, paper, soft furnishing, plastics, trash B) Combustible liquids such as gasoline, oil and petroleum, and paint. Could also include combustible gases like butane and propane. Does not include fires that contain cooking oils and grease C) Electrical fires/ electrical equipment such as motors, transformers, and appliances. If power or electricity is removed then a class C fire becomes a fire of one of the other classes D) Combustible metals such as

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    Continuous flow of air gaseous mixing device

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    Gas blending or mixing is a danger process that requires a careful procedure especially when dealing with combustible gases that requires full mixing process as an explosion as a result of highly pressurized gases or flame may occur if both gases were not homogenously mixed with each other e.g. oxygen with fuel. However risk of danger is high for both the filler and the user in many different ways that may occur as a result of the following reasons • If the pressure vessel, tubes, or valves experience

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    studies prove that global warming is essentially caused by man. Although among scientists there is a consensus, all people do not believe it to be true that society contributes to global warming by enforcing the use of electric cars rather than combustible vehicles that give off greenhouse gases and potentially harm the environment. Global warming describes the abnormal temperature change heating up our environment. Climate change is induced by green house gasses such as methane, carbon dioxide, and

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    From organic to mechanical, the industrialization of time and of space, the history of transportation and the rise of railways during the Industrial Revolutions throughout Europe and America played an ever-important role in the way our perception of technology and our consciousness has changed and adapted to the learned behaviors of the mechanical and industrialized world. In Schivelbusch’s The Railway Journey: The Industrialization of Time and Space in the Nineteenth Century one will find many key

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    Heat Engine Essay

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    Chapter 1 INTRODUCTION 1.1 Heat Engines A heat engine is a device, which transfers the chemical energy of a fuel into thermal energy and uses this energy to produce the mechanical work. Heat engines are classified as, 1. External Combustion Engines. 2. Internal Combustion Engines. External combustion engine is one in which the products of combustion of air and fuel transfer heat to a second fluid, which then becomes the functional fluid for producing power. Steam engine is an example of E C

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