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Position:Water and culture
1000 appearance 100 condition snowflake
For hexagonal to snowflake, because its surface curvature differs (have convex, plane and concave side) , each saturated lunt pressure that go up is different also, because this arose mutual the lunt density gradient between, make lunt prod...
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Water -- of life pronominal
The is life pronoun that water basically can weigh, it is all biologic main component. On the earth because have water, especially liquid state water, just be able to evolution gives today's life. A weight has 40 much premium inside 70 kilo...
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The concept of water system pollution
Water system is to point to the accumulation of the water such as river, laky, pond, reservoir, fenny, ocean and groundwater body. Learn in the environment in, water system includes water itself not only, material of the suspension content...
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The personage inside course of study is analytic " brief of case of water supply
Urbanite cannot leave tap water everyday. Because tap water is too convenient, bibcock of to turn on " self-invited " ; Because the knowledge to it is real before consumer too little, very difficult self-taught, then, will begin on March 10...
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"World water day " and " Chinese water week " antecedents
On January 18, 1993, the 47th the United Nations General Assembly makes resolution, affirmatory and annual will be " of eye of " world water on March 22. The main content of resolution is as follows: Environment of congress reviewing U.N. a...
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