Waste water flow measurement | How to protect water resources | Venturi meter

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2. How to protect water resources

First, we must establish Xi water awareness, warning of water resources in education. For a long time, most people generally believe that water is inexhaustible "Jubao Pen", the use of waste in spending, I do not know consciously treasure. In fact, the water on Earth is not used numerous, in particular, China"s per capita water resources are not rich, nor even regional distribution, but also the treacherous years, the annual vary greatly, with serious pollution, resulting in water resources The situation even more scarce, the Yellow River is drying up many many times vivid manifestation. States launched the "Yellow River Diversion Project", "water" and other water use issues, aimed at resolving the water shortage in some areas, but more should arouse our serious consideration: the Yellow River dried up when the water to where the "Yellow River" »Southern Water Pollution How the "North-tune" » So, people must build awareness of water crisis, the conservation of water resources as we consciously code of conduct, a water alerts in a variety of forms of education. Secondly, the development of water resources must be reasonable and avoid water damage. Water resources development, including the development of surface water and groundwater resources development. Water used by the state, therefore, water production and the life of the development must comply with the "People"s Republic of China Water Law, " the relevant provisions of comprehensive planning done, balanced. In the exploitation of groundwater, because the difference in the quality of the aquifer more, it should be layered mining; have been contaminated diving and water pressure may not be mixed m

ining; exposed to water penetration and the exploration engineering, must be strictly in accordance with the relevant provisions Do a good job sealing and sealing layered work to effectively prevent water pollution and ensure sustainable development of water itself. Modern water conservancy projects, such as flood control, power generation, shipping, irrigation, water supply, such as aquaculture to play in one or more cost-effective at the same time, the location of the project, on the lower reaches, the river mouth and the whole valley of the natural environment and social environment will have a certain Negative impact may also cause water damage within a certain scope, therefore, since the 1970s, many countries carry out an environmental evaluation of water conservancy projects. China "s water conservancy project feasibility study requested in the environmental assessment stage, large-scale projects and general medium-sized projects to prepare environmental impact report, the environmental impact of smaller medium-sized projects and minor works to the preparation of environmental impact evaluation form. In addition, some of the mining industry on water damage can not be ignored, such as coal mining in each ton of coal mining row to 0.88 cubic meters of water leakage, according to our province, mining 300 million tons, coal mining every year only because of the loss of underground water Resources up to 250 million cubic meters, the geological structure of groundwater and cause great damage. Also, the Luankanluanfa indefi nitely, causing serious damage to vegetation, water and soil moisture and surface water resources will be buried to a certain extent affected. Third, improve the utilization of water resources, reduce

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