There is critical cyclic stress ratio of soft clay under cyclic loading. The value of critical cyclic stress ratio can also be obtained by pore water pressure curves.
循环荷载作用下饱和软黏土存在临界循环应力比，通过孔压也可以确定其值大小。
The best ratio between Chitosan and clay is various to different types of water bodies.
实验表明，不同水体壳聚糖同粘土的最佳配比互有差异。
The water purifying and mineralizing Chinese medicinal stone ball is made with Chinese medicinal stone grain and clay in the weight ratio of 80-90 to 10-20.
这种产品也是由麦饭石颗粒、粘土混合烧制而成的球块状物品， 其特点是：所说的麦饭石颗粒与粘土的重量比是80-90∶10-20。
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