There are impact factor to be discussed such as solvent polarity, nucleofuge, attract electron group the nunucleophilicity of nucleophilic reagent.
探讨碱性、溶剂极性、离去基团、吸电子基团、亲核试剂的亲核性对反应影响。
Recently Hunan Cereals, Oils and Foodstuffs Import and Export Group Co. , Ltd. has began to set foot in medical equipment and be engaged in the wholesale and retail of medical equipment and reagent.
粮油集团近年来涉足医疗器械行业，从事医疗设备和试剂的批发、销售。
Basic group substituted benzoyl guanidine, its preparing process, its use as medicine or diagnostic reagent, and medicine containing the same.
碱性基取代的苯甲酰胍，其制备方法，其作为药物或诊断试剂的用途，以及含有它们的药物。
Founded in 1958, China National Medicine Group Shanghai chemical reagent company was the first large-scale company in China dealing in chemical reagents, glassware and laboratory supplies.
本公司创建于1958年，是中国首家专业经营化学试剂、玻璃仪器及实验室用品的大型公司之一。
L9 (34) Orthogonal test was used to optimize the reaction temperature, reagent formula, and reaction time with the degree of sulfate group and carbohydrate content as index.
以硫酸基取代度和糖的质量分数为指标，采用L9(34)正交试验对反应温度、试剂配比和反应时间进行优选。
The target molecule was synthesized through using chiral reagent, reduction of double bond, hydrogenolysis and hydrolysis of ester group.
之后，经引入手性试剂，双键还原，氢解，水解酯基得到目标产物的合成路线。
The target molecule was synthesized through using chiral reagent, reduction of double bond, hydrogenolysis and hydrolysis of ester group.
之后，经引入手性试剂，双键还原，氢解，水解酯基得到目标产物的合成路线。
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