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节能小知识(Energy-saving little knowledge).doc

发布:2017-08-19约1.18万字共10页下载文档
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节能小知识(Energy-saving little knowledge) One, energy is its own can produce heat, light and energy resources In general, natural sources of energy that can be obtained directly without changing their forms are called primary energy sources, such as coal, oil, natural gas, water power, etc.. The energy that is converted from one energy to another is called the two energy, such as electricity, steam, kerosene, gasoline, etc.. The vast majority of primary energy reserves in nature are limited, with a little less, so we all have to save energy consciousness. The role of two and 1 kWh 1 kwh is commonly known as the 1 kilowatt hour. What role does it play? It allows: the ordinary electric fan can run continuously for 15 hours; a 25 watt bulb can continuously light for 40 hours; a 9 watt energy-saving lamps can be used for 110 hours; an air-conditioning can open 1.36 hours to 10 hours of television. Three, the significance of energy saving Saving 1 kwh of electricity is equivalent to saving 0.35 kilograms of standard coal, but also to protect our ecological environment. Save 1 kwh of electricity will be less emissions: 1.7 grams of soot, 935 grams of carbon dioxide, 6.6 grams of sulfur dioxide, 3.7 grams of nitrogen oxides. Four, how to use the family power trough? It can use washing machine with timer function, regenerative electric water heater, sterilizing cabinet and drying machine. Mobile phones, digital cameras, electric shavers, etc., can be charged after 10 p.m.. Five, energy conservation is everyones responsibility and obligation Human beings can not live without energy. Industrial and agricultural products is necessary to improve the quality of human life, a comfortable life, it cannot do without energy production; household appliances to improve the living environment is an indispensable part of people, it is also cannot do without energy. However the stored energy is limited, we can not only consider the needs of the present, more should be considered for future g
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