土净
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膨润土净水剂的制备及性能
The Properties and Preparation of Water Purifying Agent with Bentonite
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磁性膨润土净水剂制备及其应用
Preparation and Application of Magnetic Bentonite Clean Water Reagent
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凹凸棒土复合净水剂处理印染废水
Application of Attapulgite Water Purifying Agent in Treating Print and Dye Wastewater
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利用室内风洞试验装置模拟了不同地面坡度、不同地表风速、不同PAM处理的土样在净风和挟沙风作用下的风蚀情况。
It simulates the wind erosion of soil samplers treated by different PAM with the actions of non - sand-driving wind and sand-driving wind under the conditions of different slopes and different wind speed of surface .
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关于土压传感器埋设净距问题的探讨
Study on the problem of the Net Distances of Burying Soil Pressure Cases
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裸土和草地的净长波辐射最大值出现在夏季,而森林和农田则出现在冬季。
The maximum of net long-wave radiation over bare and grass appeared in summer , but in winter over tree and crop .
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含游离碳酸钙的菜园土、石灰土的净吸持量约是第四纪红色粘土、黄壤的3.0~6.5倍。
Both of vegetable soil and calcareous soil contain CaCO_3 , and the net retention capacity of them was about 3.0-6.5 times as that of Quaternary period red clay or yellow soil .