ratio of solvent

Influences of P/ B ratio, composition of silicate, solvent blend and antifouling additives on the antifouling performances of paint have been discussed.

讨论了颜基比、硅酸盐组成、溶剂体系和防污助剂等因素对涂料防污性能的影响。

Except temperature and catalyst, the main influence factors to reaction yield are the proportion of the materials, the volume ratio of the mixed solvent and reaction time.

实验表明：温度和催化剂是影响反应收率和产品质量的的主要因素，还有原料的配比、加料顺序、混合溶剂的体积比、反应时间等也是重要影响因素。

The effects of solution temperature, the ratio of solvent to binary acids and crystallization on the purity and yield of glutaric acid were examined.

考察了溶解温度、溶剂用量和结晶过程对戊二酸纯度和收率的影响，并确定了分离与提纯的最佳工艺条件。

The influences of different composition of refined solvent, ratio of reagent to oil, temperature and time of extraction, time of setting on removal of basic nitrogen compounds were studied.

考察了精制溶剂组成、剂油比、精制温度、反应时间及静置时间对脱碱氮的影响。

Selected 75% ethyl alcohol as the extraction solvent, the effects of extraction temperature, time and material-solution ratio to extraction conditions were investigated by orthogonal design experiment.

选用75%乙醇作提取溶剂，采用正交设计试验，研究提取温度、提取时间和料液比对黑果枸杞色素提取条件的影响。

It also discussed emphatically effect of feed stage, number of theoretical plate, reflux ratio and solvent-feed ratio on purity and yield of product.

本文重点研究了进料位置，理论板数，回流比以及剂料比对产品的收率及纯度的影响。

Conclusion The formation of quercetin-phosphatidylcholine complex was greatly influenced by the solvent, concentration of reactant and reactant ratio, the new synthesized compound being gotten.

槲皮素-卵磷脂复合物的形成受溶剂、反应物的浓度和反应物投料比的影响较大，形成的是一种新的化合物。

The latter is characterized by a dimensionless parameter, the approaching ratio, which describes the thermodynamic state of the membrane-forming system and the quality of the solvent mixture.

邻近比可以表征铸膜液的热力学状态和混合溶剂的质量。

The swelling ratio of extraction residue by CS_2/ NMP mixed solvent in NMP solvent is lower than that of the corresponding raw coal.

水热处理降低了神华煤的溶胀性能，CS2/NMP混合溶剂抽提减小了抽余物在NMP溶剂中的溶胀度；

Optimum extraction condition of this extract is: 95% ethanol as solvent, ratio of material to solvent 1 ∶ 10, soaking time 18 h, extraction rate 21.42%.

采用冷浸提取时，核桃叶中抗TMV活性物质提取的优化条件是：以体积分数95%乙醇为提取溶剂，料液比1∶10（g∶mL），提取18h，得率21.42%。

The effect of process conditions, such as microwave, reactant ratio, catalyst and solvent etc, on the nucleophilic substitution and yield of product were investigated.

考察了微波技术、反应物料比、催化剂以及溶剂等主要条件对亲核取代反应和产物收率的影响。