We must deal with the crude soft soil artificially in order to meet the demand of groundsill intension, distortion and anti-seismic etc.

为了满足地基的强度、变形和抗震等要求，必须对天然的软弱土地基进行人工处理。

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Isotope dilution method was adopted in lab for the study of the effect of crude oil contamination on the rate of nitrogen mineralization and nitrification in soil.

在实验室中用同位素示踪法，研究了土壤中不同石油污染量对氮矿化及硝化速率的影响。

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Temperature and flow fields, and interfaces of water freezing in soil and crude oil solidifying in the pipeline were obtained through numerical simulation.

通过数值模拟，获得了停输期间温度场、流场以及土壤水分结冰界面和管道中原油凝固界面的分布情况。

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Now, even though refined plans show an alternate route, environmentalists worry that if the expected 500, 000 to 700, 000 barrels of crude oil flow through the pipeline each day, leaks could contaminate the water and soil.

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