探讨了温度、溶剂、投料比和反应时间对收率的影响。
The effects of temperature, solvent, material ratio and contact time on the yield were studied.
在不同阻聚剂用量、投料比、投料方式等条件下合成环氧丙烯酸酯。
The epoxy acrylate was synthesized with different amounts of inhibitor, feed ratios and feeding modes.
讨论了投料比、反应温度和反应时间对收率的影响，并改进了合成工艺。
The effect on the proportion of materials, the temperature and the time to the yield are discussed, and the process of synthesis is improved.
当取代度和相对分子质量相同时，随着投料比的增加，载药量增加而包封率降低。
Higher feed ratio could lead to higher loading capacity and lower encapsulation efficiency under the same degree of substitution of cholesteryl moiety and molecular weights of parent pullulan.
采用正交实验，考察了原料投料比、回流反应时间、催化剂等因素对合成的影响。
The effects of feed composition, reflux reaction time and catalyst concentration on PPTD yield were investigated.
实验结果表明，改变投料顺序、投料比以及三甲胺的投料方式有利于提高产品的收率及纯度。
The experiments proved that the changes of materials adding order, the ratio of raw materials and the loading way of trimethyl amine were advantageous to improve the yield and purity of the product.
在制备聚酯二醇的实验中主要研究了醇酸摩尔投料比和高真空时间等对合成分子量有影响的因素。
Influence factors, such as molar excess content of glycol, high vacuum time, are mainly studied in the synthesis of polyester glycol.
同时讨论了共聚物单体配比、PEG分子量、PEG与马来酸酐的投料比与酯化产物的性能关系。
The relationship between the factors such as the molecular weight of copolymer and PEG, the proportion of monomers and PEG, have been discussed.
通过调节单体的投料比可方便的控制共聚物的组成，从而获得不同药物含量的高分子药物，且能应用于高分子复合药物的合成；
The composition of the copolymers can be controlled by adjusting the mol ratio of monomers attend the co-polymerization, so that polymeric drugs with various contents of drugs can be obtained.
通过水溶液直接合成法制得L -苏氨酸镧，研究了L -苏氨酸镧的产率与反应的投料比、时间、温度、酸度等因素的关系。
This study focused on the preparation conditions of the Lanthanum with L-Threonine, including synthesis, feed ratio, temperature, acidity and time.
介绍了咪鲜安的合成方法，确定了最佳的反应条件，并给出了实验结果，还对投料比、溶剂回收、以及后处理等相关问题进行了讨论。
The synthesis of prochloraz was introduced; the best reaction conditions were confirmed. The lowering of charge rate, solvent recovery and aftertreatment were discussed.
合成过程中对各步进行了工艺优化，通过设计单因素实验，找到了反应的最佳条件，如溶剂、时间、投料比等，使得产品收率有了较大的提高。
Each step was optimized during Synthesis processes and single factor experiments were carried out to determine the most effective conditions such as solvent, time, material ratio and so on.
论述了废旧腈纶毛线在常压碱法水解条件下，采用酸碱滴定分析方法测定氰基转化率，讨论了反应时间、温度、投料比等因素对水解反应的影响。
The arthor elaborates the measurement of the cyanogen group inversion rate of waste PAN yarn using acidic titrimetry under the condition of constant pressure alkali gydrolyzation.
考察了反应物投料摩尔比和反应温度对产物收率的影响。
The effect of molar ratio of reactants and reactive temperature on the yield of product is investigated.
考察了酸醇投料摩尔比、混合液的进料流量、催化剂的填充密度等因素对反应过程的影响。
The influence of the factors, such as the molar ratio of acetic acid ton-butanol, the feed rate of the reactants and packing density of the catalyst, was investigated.
考察了酸醇投料摩尔比、混合液的进料流量、催化剂的填充密度等因素对反应过程的影响。
The influence of the factors, such as the molar ratio of acetic acid ton-butanol, the feed rate of the reactants and packing density of the catalyst, was investigated.
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