Soil's optimum water content for crop (sunflower) stages in different salty soil has been get by GA-ANN coupling model.
通过GA-ANN耦合模型的建立求解了不同含盐程度土壤中作物（油料向日葵）的适宜含水率。
Normal test method is employed to explore the relationship between dry density and optimum water content of coal gangue used in daming.
采用标准试验方法求得筑坝用煤矸石的最大干密度和相应的最优含水量。
Effects on optimum water content and maximum dry density of grit-clay mixture by grit content, as well as compaction characteristics are obtained.
得到砂砾石含量对混合料的最佳含水量及最大干密度的影响特征，及其不掺土的砂砾石料的击实特性。
Based on compaction test, the biggest dry density and the optimum water content of the lime stabilized loess with different ratio of lime to soil were got.
通过击实试验，获得了不同石灰掺量石灰黄土的最大干密度和最佳含水量。
At the same time, the relationship of compaction curve, maximum dry densities, optimum water content and lime content are researched through the compaction tests.
对素土和石灰改良土进行击实试验，研究了击实曲线、最大干密度和最优含水率随灰剂量的变化关系；
A method is described for the determination of water content in pectin by the quick moisture apparatus, and the optimum conditions are found as follows: sample mass 1.
介绍了采用水分快速测定仪测定豆腐柴果胶粉的水分含量的方法，确定了最佳测定条件为：试验试样质量1。
Finally put the amount of the fermentation substrate, temperature, time, water content on quality of fermented products, and initially determined the optimum conditions of fermentation.
同时还研究了发酵基质投放量、温度、时间、含水率对发酵产品质量的影响，初步确定了发酵的适宜条件。
The optimum content of silica fume is 0.25, and the lowest water to cementitious materials ratio is 0.18.
此时硅灰的最佳掺量为水泥质量的0.25倍，且水胶比并不是越低越好，最佳水胶比为0.18。
The optimum content of silica fume is 0.25, and the lowest water to cementitious materials ratio is 0.18.
此时硅灰的最佳掺量为水泥质量的0.25倍，且水胶比并不是越低越好，最佳水胶比为0.18。
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