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。
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.
其次对双羟基聚醚的端烯丙基化反应进行研究，讨论了反应时间、反应温度、聚醚分子量、烯丙基化试剂的种类和用量对反应的影响。
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…
进一步优化了检测条件，通过温度校正公式的使用和试剂用量的调整使农药残留检测的操作更简单、费用更低廉。
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