The filling of grain ended when the grain water content was 25%.
杂交稻灌浆的临界含水率为25%左右。
By the experiment of sand model, an investigation of silt content, rank of silt grain and silt deposition rate under different conditions of water and silt have been obtained.
通过泥沙模型试验研究，分析不同入库水沙条件下进入取水口内水流的含沙量和颗粒级配，水库对泥沙的沉降率。
The content of Se in hair is valuable than that of drinking water, soil and grain.
发硒含量测定较水、土、粮食含硒量具有较高的价值。
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