Reduction of contact area between cohesive soil and the surface of dredging tools is able to decrease soil adhesion and cutting resistance.
降低粘性土壤对刀齿表面接触面积可以减小土壤对刀齿的粘附和降低刀齿切削土壤的阻力。
The invention discloses landslide early warning system and method adopting soil resistance measurement in the technical field of railway disaster prevention and reduction.
本发明公开了属于铁路防灾减灾技术领域的一种采用土壤电阻测量的滑坡预警系统及滑坡预警方法。
Two mathematical models are presented to depict the resistance and the resistance-reduction rate in an air curtain between soil and slide moving on a moist and soft ground.
提出了滑板在湿软土壤中滑行时，气幕条件下的阻力和减阻率的数学模型。
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