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。
Selection of specific type, grade and consistency of solvent cement should take into account pipe type, size, installation conditions and chemical compatibility of cement and system fluids.
液状粘固剂的特定类型、等级和坚固性的选择应该考虑管道类型、口径、安装条件以及粘固剂与系统流体介质的化学兼容性。
The result showed that the selection of solvent and the aromatic compounds had direct effect on the depth of the reaction.
结果表明，溶剂的选用与原料中的芳环化合物含量直接影响着反应的深度；
The article discusses the synthesis method of a soft type thickening agent, selection of reactive monomers, emulsifier, organic solvent, and cross-linking monomers.
介绍合成柔软型增稠剂方法、反应单体、乳化剂、有机溶剂、交联单体的选择以及合成工艺。
The selection principal of low toxic mixed solvent of CR adhesive is depended upon hydrogen bond index and solubility parameter of the solvent.
氯丁胶粘剂的低毒混合溶剂的选择原则是：根据溶剂的氢键指数及溶解度参数。
Using NaSCN as solvent, flat acrylic fiber was produced by two-step wet spinning process. The selection of spinneret shape and the optimization of process conditions were discussed.
采用硫氰酸钠为溶剂，湿法二步法工艺生产扁平腈纶，探讨了喷丝板的选型和生产工艺的优化。
The selection of chromatographic column, flow rate of carrier gas, column temperature, solvent, sample size and the column ratio of sample and solvent were experimented.
并对色谱柱、载气流速、柱温溶剂、进样量等色谱条件的选择，以及试样与溶剂的体积比的选择进行了实验。
The dosage of raw materials, the selection of low-toxic mixed solvent and its formulation, the selection of modifying agent, reaction temperature and the time were studied respectively.
对原料的用量、低毒性混合剂的选择和配比、改性剂的选择、乳化剂的选择、反应温度和反应时间的选择进行了优化试验。
Selection of solvent mixture, curing mechanism and IR spectrum characterization were discussed.
讨论了清漆的溶剂选择、固化反应机理和红外光谱表征。
The selection of extraction solvent and acidity of stripping agent, and the effect of interferencing ion were studied.
并对测定过程中有机萃取剂，反萃酸度的选择及干扰离子的影响进行了探讨。
Selection of solvent is the key for extraction to separate n-alkanes from diesels and to improve the flow ability of diesels at low temperature.
溶剂筛选是溶剂萃取脱除柴油中正构烷烃，改善柴油低温流动性能工艺过程的关键。
Selection of solvent is the key for extraction to separate n-alkanes from diesels and to improve the flow ability of diesels at low temperature.
溶剂筛选是溶剂萃取脱除柴油中正构烷烃，改善柴油低温流动性能工艺过程的关键。
应用推荐