給排水專業(yè)外文翻譯-給排水(完整版)
【正文】 gallons per capita per day(gpcd).This low consumption was due in part to the absence of sewers, the practice of washing clothes in the lagoon,and the universal drinking of wine. These cisterns continued to be the principal water supply of Venice until about the sixteenth century. Many experiments were conducted in the eighteenth and nieenth centuries in England,France Germany,and Darcy patented filters in france and England in 1865 and anticipated all aspects of the American rapid sand filter except appears to be the first to apply the law of hydraulics to filter design. The first filter to supply water to a whole town was pleted at Paisley,Scotland,in 1804,but this water was carted to consumers. In Glasgow, Scotland,in 1807 filtered water was piped to consumers. In the United States little attention was given to water treatment until after the Civil War. Turbidity was not as urgent a problem as in Europe. The first filters were of the slow sand type,similar to British design. About 1890 rapid sand filters were developed in the United States and coagulants were introduced to increase their efficency. These filters soon evolved to our present rapid sand filters with slight modification. 歷史上的水供應(yīng) 人類對純凈水的搜尋開始于史前時代。梵文著作年代大約在公元前
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