... erosion rate 侵蚀速率 erosion ratio 侵蚀比率 erosion-productivity impact calculator EPICn侵蚀-生产力计算式 ...
基于12个网页-相关网页
solid propellant erosion ratio 固体推进剂剥蚀比
relative erosion ratio 相对侵蚀率
deeping erosion ratio 强度侵蚀度
topsoil erosion ratio 表层土壤侵蚀率
the stable erosion ratio 稳定侵蚀率
estimation of rill erosion ratio 沟蚀率估算
erosion control ratio 水土流失治理程度
When the coverage ratio of floodplain area reaches to 30%, the wind erosion can be controlled within the range of light erosion.
河滩土植被覆盖率达到30%时即可将风蚀控制在轻微侵蚀范围内。
The principle and characteristics of the nuclides ratio technology are introduced , using several nuclides compoundly to distinguish soil erosion processes and to estimate soil erosion rate ;
阐述了核素比率应用的原理、特点及其能更为敏感地反映土壤侵蚀速率和过程等优点；
It measures wind erosion under the conditions of different wind speed of floodplain area with different vegetation coverage ratio of the Yongding River by using mobile filed wind channel equipment.
利用野外移动式风洞试验装置，对永定河不同植被覆盖率河滩农地在不同风速下的风蚀量进行了测定，结果表明：播草盖沙可以提高起沙风速，有效减少河滩地的土壤流失。
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