Electromagnetic flow meter for sewage | An English paper about water pollution, about 500 words urgently needed ..|gas flow meter

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1. Voest Alpine

2. An English paper about water pollution, about 500 words, urgently needed ..

As a highly developed awareness of the negative impact of industry is expected is not enough to prevent negative, resulting in a global three major crises: the shortage of resources, environmental pollution and ecological damage. Human constant discharge of pollutants into the environment. However, due to air, water, soil, diffusion, dilution, oxidation and reduction, the role of biological degradation. The concentration of pollutants and toxic naturally lower, a phenomenon called the environmental self-purification. If the discharge to the environment than the self-purification capacity, adverse changes in environmental quality will occur, endangering human health and survival, which occurred in environmental pollution. There are various categories of environmental pollution: Divided by environmental factors: air pollution, water pollution, soil pollution. Divided by human activities: industrial pollution, urban environmental pollution, agricultural pollution. Environmental pollution caused by nature, source: chemical pollution, biological contamination, physical pollution (noise pollution, radiation, electromagnetic waves) of solid waste pollution, energy and pollution. One of the most serious water pollution. So far, not in human on the planet other than Earth found in water. Water is the source of life, human life is not a lack of material, human tissue in the body of water accounts for sixty to seventy percent by weight, other animals or plants also account for the body of water more than five per cent, shows that water is essential to sustain life material. In recent years, water pollu

electromagnetic flow meter for sewage|gas flow meter

tion is very serious, it is a lot of water, or discharge of waste water, can cause serious water pollution. Commonly known as the water pollution, mainly due to human factors that directly or indirectly involved in the pollutants in the water, the changes in its physical, chemical or biological characteristics of the change, which affects the normal use of water or endangers public health and living environment. Water pollution sources, including natural sources and anthropogenic sources of pollution, man-made sources of pollution are domestic and industrial wastewater discharges, pesticides, fertilizers and other substances, by surface water or groundwater infiltration and flow and into the water, making the water environment pollution, forest of logging, farming, civil engineering caused by human factors such as plankton and dissolved in water increases and so on. Not only rivers, lakes, pollution, marine pollution is also serious. Polluted rivers will continue to pollute the ocean, and marine oil pollution incidents occur frequently, but also a major cause of marine pollution. Marine pollution arising after suffering a severe red tide marine phenomenon is due to over-nutrition of sea water, some of the explosive reproduction of plankton in the water, this extraordinarily large plankton growth is pink or reddish-brown, so dyed water, leading to red tides. Red Tide is not only to the marine environment, marine fisheries and aquaculture cause serious harm, but also affects both human health and even life. On the one hand, red tide, ocean mutation caused partial disruption of marine food chain, so that became the Dead Sea area; the other hand, some of red tide organisms secrete toxins, these toxins are some of the

Electromagnetic flow meter for sewage | An English paper about water pollution, about 500 words urgently needed ..|gas flow meter

1. Voest Alpine

2. An English paper about water pollution, about 500 words, urgently needed ..

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