The body weight increase, feeding coefficient, NBT-positive cell and activities of lysozyme in the blood were determined respectively at the end of each 20 days.

分三个阶段(每20天一阶段)测定鱼体的增重、饵料系数、血液中的NBT阳性细胞和血清中的溶菌酶的活力。

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The reasonableness of feeding to a bucket elevator was expounded from two views of the full coefficient and the feeding resistance.

从装满系数、进料阻力两方面论述了斗式提升机进料的合理性。

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The overall height of catalyst bed as well as the optimal feeding point was obtained for different detritiation efficiency under specific mass transfer coefficient of catalysts.

根据不同的催化剂传质性能，计算了为达到特定脱氚率和电解池浓缩倍数所要求的交换床总高度和进液位置。

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