Researching repeathy, we gain the optimum reaction conditions of reactant proportion, reaction time, solvent selection and product separations.
通过大量的正交实验，总结出反应物的配比、反应时间、溶剂选择和产品分离等最佳的反应条件。 应用此方法合成出的产品，具有合成路线短、产率高、成本低、易于分离的优点。
参考来源 - 受阻酚衍生物双酰肼（双酰胺）类抗氧剂合成新方法的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
According to the principle of "the coupling re-action", the rule of solvent selection was proposed based on thermodynamic analysis.
考察了温度、时间和通气次数对系统热力学性质的影响。根据反应的耦合原理和热力学分析，提出萃取剂选择的原则。
Therefore, the three-dimensional solubility parameters sphere model can provide the basis for the solvent selection for extraction.
研究结果表明三维溶解度参数球形模型可以为筛选萃取溶剂提 供依据。
Mainly as follows, drugs and dosage, solvent selection, compatibility of drugs, pharmacological antagonism as well as combination therapy, repeated drug use and other aspects.
主要表现为药物用法与用量、溶媒选择、配伍用药、药理拮抗以及联合用药、重复用药等几个方面。
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