通过在清水和浑水两种不同条件下对导叶端面间隙压力的测量，得到了不同工况下的空心导叶和实心导叶端面间隙压力分布曲线。
The pressure distribution in the end clearance of hollow guide-vane and solid guide-vane is obtained by surveying the pressure in the end clearance under the conditions of clean water and muddy water.
用原子吸收分光光度法分别测定了喷施氨基酸铜和喷施清水后，接种棉花黄萎病菌的感病棉株的根、茎、叶中铜元素的含量。
Copper in the root, stem and leaf of cotton which was infected by Verticillium wilt was sprayed with cupric complexes of glycine and water.
在叶用莴苣采收前一周，将营养液换成清水，对叶用莴苣产量影响不大，叶用莴苣完全可以利用前期吸收的营养维持生长，硝酸盐累积大量减少，可有效的控制硝酸盐含量，改善品质。
Nutrient solution had been replaced water before lettuce was reaped for a week, which can reduce effectively accumulation of nitrate in lettuce, moreover, the effect of the yields isn't apparent.
得到了在清水和含沙水条件下两种活动导叶与固定导叶的最佳相对安放位置和流场的不同特性。
Optimum guide vane and bucket positioning with flow field characterris-ics both for clean and sandy water are…
得到了在清水和含沙水条件下两种活动导叶与固定导叶的最佳相对安放位置和流场的不同特性。
Optimum guide vane and bucket positioning with flow field characterris-ics both for clean and sandy water are…
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