They also investigate the effects of dosage of chiral reagent, reaction time, reaction temperature, polarity of solvent on conversion ratio and relative optical activity.
研究手性试剂用量、反应时间、反应温度、溶剂极性等各种因素对转化率，以及相对旋光度的影响。
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The terminal allylation reaction was studied which was influenced by reaction time, reaction temperature, category and dosage of allylation reagent and molecular weight of polyether.
The extraction efficiency of pesticide residues was significantly increased by subcritical water extraction. By temperature correction and dosage adjusting of the reagent, the operation is…