upper critical

Based on the generalization of water transfer channels and hydraulic structures, the critical problems are discussed: simulation of the upper and lower boundaries and initial condition; simulation of flood-intake gate and flood diversion gate; dynamic simulation of leakage of the newly-built channel and so on.

在对输水渠道及众多水工建筑物概化的基础上，着重探讨了上、下游边界及初始条件、进洪闸及分水闸的入出流过程、渠道沿线渗漏量动态化处理等问题。

In comparison with these of the straight cascade the blade positively curving reduces the quantity of the critical points, eliminates the upper passage vortex, and transform the closed separated flow of the secondary vortex along the blade tip suction side into the open separated flow.

与直叶栅比较，叶片正弯明显减少了壁面与横截面流场中奇点的数量，消除了上通道涡，并使叶顶吸力边的二次涡分离流动由闭式分离转变为开式分离。

Determination of Critical Value in Deep Excavation Support Based on Upper Bound Limit Analysis

基于极限分析上限法的深基坑支护临界值的确定

According to the theory of phase equilibrium for strictly ternary regular solution, the effects of additives on the upper critical solution temperatures of water-phenol were discussed in detail.

结合正规溶液的相平衡理论，探讨了添加剂对该系统上临界溶解温度的影响。