1) truncated soil
剥蚀土壤
2) soil detachment rate
土壤剥蚀率
1.
Indoor simulation experiment of the relationship between soil detachment rate and stream power;
土壤剥蚀率与水流功率关系室内模拟实验
2.
In order to validate the simulation formula of soil detachment rate and study systemically the relationship between soil detachment rate and discharge and slope,stream power,runoff scouring experiments were conducted in an experimental flume with varing slope in a large scale of slope gradient(3°~30°) and flow discharge(2.
为了验证土壤剥蚀率模拟公式,系统地研究土壤剥蚀率与坡度和流量、水流剪切力之间的关系,在较大坡度(3°~30)°和流量(2。
3.
Based on runoff scouring experiments by means of flume soil and rare earth elements tracer method, the relationship of soil detachment rate and flow shear stress during different stages under different slope gradients and runoff discharges was researched.
利用稀土元素示踪技术及土槽径流冲刷试验 ,系统研究了不同坡度、不同流量下各断面的土壤剥蚀率和水流剪切力之间的关系。
3) soil detachment rate equation
土壤剥蚀率方程
4) truncated soil profile
切余土壤剖面;土壤剥蚀剖面
5) soil corrosion
土壤腐蚀
1.
Review on research methods of soil corrosion for buried pipeline steels;
埋地管道钢土壤腐蚀研究方法进展
2.
Research on the Methods of Analyzing Electrochemical Noise and Its Application in Soil Corrosion Processes;
电化学噪声分析方法及其在土壤腐蚀中的应用研究
3.
A gray relational analysis was applied to deal with the data obtained by measuring the buried pipeline with is the Liaohe oilfield,and the the degree at which soil corrosion factors affect the corrosion speed is described.
以辽河油田埋地管道土壤腐蚀实测数据为例,同时引入灰关联分析原理及处理方法来描述土壤腐蚀因素对管道腐蚀的影响程度。
6) Soil wind erosion
土壤风蚀
1.
Study of the effect on different distribution modes of Artemisia sphaerocephala to soil wind erosion is of great significance to ecological construction and preven- tion against soil wind erosion in the fixed and semi fixed sands.
研究不同配置方式的沙蒿对土壤风蚀的影响对于干旱、半干旱地区生态建设和防治土壤风蚀具有十分重要的意义。
2.
Wind tunnel experiments were conducted to Research the change process of soil wind erosion with the change of PAM controlling the soil wind erosion under the condition of the constant wind velocity of 14 s/m and the constant blown angle of 5°.
研究表明,对土壤表层覆盖PAM可以增加土壤的抗风蚀能力,有效地减少土壤风蚀,增加PAM使用量可以进一步增加土壤的抗风蚀能力,即4 g/m2PAM用量的效果要好于2 g/m2PAM的用量;前期累积在土壤中的PAM不能明显增加土壤抗风蚀的能力;在水分和PAM的共同作用下,黏粒含量高的土壤的抗风蚀能力要强于黏粒含量低的土壤。
3.
A soil wind erosion experimental plot was set up in the alluvial sandy land of old yellow river,which is in Xiajin County of Shandong Province,and the soil wind erosion quantity was tested with measuring scale method in the observation farmland shelter-forest network and the comparison place.
在山东省夏津县黄河故道冲积沙地建立土壤风蚀试验区,采用标尺法对3种网格的农田防护林和对照地的土壤风蚀量进行观测,测定结果表明:农田防护林网可明显减少风蚀损失,其中,130m×300m林网相对于对照减少土壤风蚀量81%,260m×300m林网相对于对照减少78%,300m×400m林网相对于对照减少75%,即随着网格面积的增加对风蚀量的影响越来越小。
补充资料:土壤电阻率
土壤电阻率
earth resistivity
turongd}onzu}u土坡电阻率(earth resistivity)单位体积的正立方体相对两面间土壤的电阻,单位为欧·米(n·m)。土壤电阻率主要与土壤中所含的水分及电解质有关,温度对离子的活动及含水量有影响,从而对土城电阻率也有很大的影响.土壤电阻率是计算接地电阻和设计接地装置的基本数据。通常应在设计前实侧确定。在设计时如缺乏实测数据,可参考下表中所列的数值。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条