a study of factors affecting 影响因素的研究
Through the study of affecting factors on manganese leaching-out rate, we brought out the suitable process conditions to leach out manganese from seabed manganese nodules by liquid-phase oxidation.
通过对结核中锰浸出率的各影响因素的考察，提出了液相氧化法从海底锰结核中提取锰的适宜工艺条件。
Objective To study the factors affecting the behavior of voluntary blood donation and further improve the working of blood donation.
目的研究无偿献血行为的影响因素，推进无偿献血工作。
In order to use the military FH radios correctly we must study the factors of affecting the military FH radios.
军事上为了正确应用跳频电台，必须对影响跳频电台正常通信的因素进行研究。
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