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.
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