spacing-height ratio

Multi-ply cultural reading for Return to Life With decreasing the film thickness, both the dislocation spacing and the ratio of the dead layer to film total thickness increase.

随着薄膜厚度的减小，位错间距增大，死层厚度与薄膜总厚度之比增加。

The approximate solution shows that there is a rectilinearity in the pressure and time semilogarithmic coordinates. And the slope and intercept of line are decided by injection-to-production ratio, injection-production well spacing, the ratio of injection-production thickness, the ratio of injection-production productivities.

注水井压降试井的近似解表明在压力与时间的半对数坐标下呈直线关系，直线的斜率与截距取决于注采比、注采井距、注采厚度比、注采产能系数比等参数。

The study shows that: ( 1) under the different jet-to-surface spacing, the impingement cooling with inline arrangement is better than that with staggered arrangement for a given jet-to-crossflow mass flux ratio;

结果表明：（1）在不同的射流孔与冲击靶面间距下，对于给定的射流与横流质量流量比，顺排方式的冲击冷却效果要优于叉排方式；

Spacing charging at blast hole bottom is studied to reduce the seismic, which can make the ratio of vibration reduction to 10-15% and reduce the ratio of boulder and root as accessorial method.

还进一步进行了孔底空气间隔器的降震实验的研究，其降震率达10～15%，作为张沟采场辅助的降震措施，并且有效地降低了大块率和根底的产生。

According to the field observation and model test data of ground water drawdown speed and the ratio of drainage water quantity and evaporation, by using the theory of ground water seepage, a new method for determining the field drain spacing is advanced.

本文根据地下水蒸发试验资料，利用地下水动力学理论，提出了考虑蒸发影响下按地下水位下降速度标准进行田间排水沟（管）间距的计算方法。