The ratio of solvent to reactant to be hydrogenated was critical.
氢化苯甲酸甲酯和乙酯时，被氢化物与溶剂之比率很重要的。
The precision ratio of solvent was confirmed, and feasible spread solvent was selected.
确定了溶剂的精确配比，选择了适宜的展开剂。
The effect of extracting temperature and ratio of solvent to oil on both quality and yield of product was investigated.
主要考察了抽提温度和剂油比对橡胶填充油的质量和收率的影响。
Meanwhile, process condition experiments indicate that lower reaction temperature, shorter reaction time and higher ratio of solvent to oil are helpful for oxidation of thiol.
同时，工艺条件结果表明，较低反应温度、较短反应时间以及高剂油比对硫醇的氧化脱除反应有利。
And discussed the reaction temperature, the ratio of reagent, the solvent concentration, reaction time on the production rate.
并讨论了反应温度、反应物的摩尔比、溶剂的用量、反应时间对产率的影响。
The influence of extraction temperature, static placing time, solvent burden ratio and flocculating agent on separation effect were discussed.
讨论了萃取温度、静置时间、溶剂配比和絮凝剂对分离效果的影响。
Using NaSCN as solvent, acrylic fiber was produced by one-step wet spinning process. The effect of spinneret negative draw ratio on fiber formation was discussed.
采用硫氰酸钠为溶剂，湿纺一步法工艺生产腈纶，探讨了喷丝头负拉伸率对纤维成形的影响。
The better condition was confirmed by the orthogonal experiment with the factors: solvent, the molar ratio of monosaccharide and ester reagent, temperature and reaction time.
通过对反应溶剂的种类、多糖残基与酯化试剂的摩尔比、反应温度和时间等因素的正交实验，确定了较佳的硫酸酯化反应条件；
The OPPLC was prepared by solvent evaporation method using binding ratio of OP and phospholipid as evaluation parameter.
以OP与磷脂的复合率为评价标准，采用溶剂挥发法制备opplc。
Concretely, the effect of different mol ratio, reacting time, reacting temperature, solvent styles, etc. on the reacting activation have been probed into.
研究了不同摩尔比、反应时间、反应温度、溶剂种类等对反应活性的影响。
When the mass ratio of diamine A top -phenylenediamine reached 10 : 0 - 5 : 5, the resultant polymers were soluble in strong polar solvent.
当二胺A与对苯二胺的物质的量比例为10∶0～5∶5时，所得聚合物溶解于强极性溶剂。
The effects of temperature, solvent, material ratio and contact time on the yield were studied.
探讨了温度、溶剂、投料比和反应时间对收率的影响。
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。
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 source of PT acid in PTA, the crystal principle of PT acid and PTA, the variable factors cooling speed and solvent ratio in the crystal process were analysed.
分析了PTA中PT酸的来源，PT酸与PTA结晶过程的结晶原理，结晶过的可变因素冷却速度和溶剂比。
The influence of experimental conditions such as reaction solvent, reaction temperature and molar ratio of reagents of synthesis were discussed.
研究了不同反应溶剂、反应温度、反应摩尔比对合成树脂转化率的影响，确定了树脂的最佳合成条件。
The results show that the influences of solvent, reaction time, and molar ratio of styrene to catalyst or TBHP on the reaction is very important.
研究结果表明，反应温度、反应时间、溶剂种类、氧源用量和催化剂用量等反应条件对苯乙烯环氧化反应具有重要影响。
Said detergent is a mixed solution made up by using diesel oil as solvent, petroleum asphalt as solute and mixing them in 1-15% of concentration ratio.
该洗涤剂是以柴油为溶剂，以石油沥青为溶质，按浓度1―15％的比例制成混合液。
The ratio of water relative to the total mass of the hydrocarbon solvent and water is not more than 30% by mass.
水相对于烃溶剂和水的总质量的比例为30质量％以下。
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。
The effects of the ratio of reactants to organic solvent, reaction temperature and concentration of aqueous sodium hydroxide on the yield of trim-tolyl phosphate were investigated.
以该反应收率为目标，研究了反应物料与有机溶剂的配比、反应温度和碱液浓度等因素的影响。
The main factors affecting the reaction such as ratio of reactants, the catalyst (p toluenesulfonic acid), temperature and solvent were discussed.
探讨了硬脂酰氯和单宁酸的量比、催化剂对甲苯磺酸的用量、反应温度和溶剂等对合成的影响。
The factors that affected the extraction of pumpkin polysaccharide included the ratio of material to solvent, extracting time, temperature and times of extracting.
影响南瓜多糖提取率的因素有：料液比、浸提时间、温度、提取次数。
The influence of extracting temperature and solvent-oil ratio on both quality and yield of product was investigated.
主要考察了抽提温度和质量剂油比对橡胶填充油的质量和收率的影响。
Factors of influence such as solvent type and amount, molar ratio of raw materials, reaction temperature, time and pressure are investigated.
考察了溶剂、原料配比、反应温度、时间和压力等因素对产率的影响。
Phenolic resin having higher remaining carbon was synthesized. The influence of the molar ratio of formaldehyde and phenol, kinds of catalysts and solvent has been studied.
合成了高残碳酚醛树脂，研究了醛酚摩尔比、催化剂品种、溶剂对酚醛树脂残碳量的影响。
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 different lactide-co-glycolide ratio of the PLGA microspheres containing NET was prepared by a solvent-evaporation process.
二种组成比不同的丙交酯—乙交酯共聚物以溶剂挥发法制成含炔诺酮的微球。
Methods Orthogonal experiment was designed with the content of total flavonoids as index, and with ethanol concentration, the ratio of material and solvent, extracting time and frequency as factors.
方法以乙醇体积分数、料液比、提取时间、提取次数为考察因素，以总黄酮含量为测定指标，采用正交试验优化香附总黄酮的最佳提取工艺。
Methods Orthogonal experiment was designed with the content of total flavonoids as index, and with ethanol concentration, the ratio of material and solvent, extracting time and frequency as factors.
方法以乙醇体积分数、料液比、提取时间、提取次数为考察因素，以总黄酮含量为测定指标，采用正交试验优化香附总黄酮的最佳提取工艺。
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