计算结果表明,唐山农业区灌溉施肥引起根区以下硝态氮渗漏损失可造成浅层地下水的污染。
The results indicate that the nitrate-N leakage loss under the root zone caused by fertilizer irrigation could creat the pollution of shallow groundwater in Tangshan agricultural area.
任何的渗漏或损坏都将造成控制管线压力的损失,这时关闭安全阀并确保井的安全。
Any leak or failure results in loss of control line pressure, acting to close the safety valve and render the well safe.
美国全国每天因管道渗漏而损失的饮用水多达70亿加仑——而全国需要不断监测和维修的管道网络长达80万英里。
Across the country, we lose an average of seven billion gallons of drinking water a day to leaks-and we have an 800, 000-mile network of pipes that needs constant monitoring and repair.
现在我来谈谈因“货物内在缺陷或特性”,诸如:由于物品变质,液体渗漏以及玻璃或陶瓷器破碎所引起的损失。
Now let us turn to loses through "inherent vice or nature of the subject matter insured", such as deterioration of food, leakage of liquid and breakage of glass or ceramics.
利用原状回填土渗漏池研究了油菜生长季节氮素在紫色土中的移动特点和淋洗损失以及影响氮素移动和淋失的因素。
We studied transference properties and leaching loss of nitrogen in purple soils during the growth period of wheat with percolation pond. Also the factors affecting them are researched.
利用原状回填土渗漏池研究了油菜生长季节氮素在紫色土中的移动特点和淋洗损失以及影响氮素移动和淋失的因素。
We studied transference properties and leaching loss of nitrogen in purple soils during the growth period of wheat with percolation pond. Also the factors affecting them are researched.
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