从理论分析得出坡面在降雨的作用下，存在临界坡度。
Secondly, the paper consider stability of slope surface is relationship with the shape of the slope by research and theoretical analysis.
认为在三峡大江截流特定的水流条件下，可以形成临界坡度和稳定坡度两种坡度。
It is considered that the critical slope and steady slope can be formed for condition of characteristic flow during river closure of main channel.
坡面单宽径流能耗随流量增大而增加，随坡度变化呈抛物线趋势，临界坡度出现在21和24之间。
The unit width runoff energy consumption increased with the flow discharge increasing but changed in parabola form. The critical slope is between 21 and 24.
临界坡度、临界坡长都不是一个确定的值，但在一定范围内变化，变化范围由降雨、坡面地形等因素决定。
Critical slope gradient or slope length is not a constant value, which varies in some ranges and depends on the factors of rainfall, slope type.
泥沙推移质的计算考虑了床面坡度对推移质输沙率和临界启动剪切力的综合影响。
Computation of the bed load transport considered the influences of bed slope on both critical bed shear stress and bed load transport rate.
以地下水动力学为基本原理，建立了以渗透破坏的临界水力坡度为条件的预防溃砂发生的临界条件和预计公式。
On the basis of groundwater dynamics, with the condition of critical hydraulic of the seepage failure, deducted critical condition and the estimating formula of preventing inrush of sand.
模拟结果表明，细沟扩宽过程对坡度和坡面表土临界起动流速的变化十分敏感。
Simulation result also indicates that the rill width is affected both by slope gradient and critical detachment velocity of surface soil on the hill slope.
在坡度隧道中，由于火风压的作用，临界风速与水平隧道临界风速相比会有一定的差异。
The critical wind velocity in sloping tunnels will be different from horizontal tunnels due to the stack effect.
用一种沙壤土进行实验，测定了不同团聚体大小和坡度下细沟再生开始和停止所对应的临界水流量。
Experimental results were conducted for determining the flow rates at which rill formation starts and ends for each aggregate group and slope.
用一种沙壤土进行实验，测定了不同团聚体大小和坡度下细沟再生开始和停止所对应的临界水流量。
Experimental results were conducted for determining the flow rates at which rill formation starts and ends for each aggregate group and slope.
应用推荐