The concepts of raw material utilization ratio, product yield ratio, product qualification ratio as well as the importance for the enterprise are discussed.
本文阐述了肉制品生产中原料利用率、产品出品率和产品合格率的概念及其在企业中的重要性。
The effect of molar ratio of reactants and reactive temperature on the yield of product is investigated.
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 temperature-controlling programme, reaction material ratio and reaction time on the quality and yield of the product were also investigated systematically.
同时，还探索了分段控温程序、物料配比、反应接触时间等对产品质量和产率的影响。
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.
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 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 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。
Detailed studies are made on the effect of the microwave power, time of microwave radiation, the amount and varieties of catalysts, and the matching of reactant on the yield ratio of reaction product.
研究了微波功率、辐射时间、催化剂种类和用量、反应物配比对反应产物收率的影响。
The influences of temperature, time, catalyst and the molar ratio of raw materials on the yield of the product were studied.
通过实验考察了反应温度、催化剂用量、反应时间及物料配比等因素对反应的影响。
The H-N ratio in the production of synthetic ammonia is one of the most important parameters to increase the product yield which is an efficiency measure to keep the optimal production.
氢氮比是合成氨装置最为关键的参数之一，保持比值始终处于最佳状态是提高合成氨产量的有效措施。
The influence of temperature, reaction time, catalyst and the molar ratio of raw materials on the yield of the product were studied.
通过实验，考查了催化剂用量、反应时间、反应温度及物料配比对反应的影响。
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。
The effect of ratio of the raw materials, temperature of the reaction, time of the reaction and product treatment on yield were studied.
考察了反应中的物料配比、反应温度、反应时间以及产物处理等因素对产率的影响。
The effects of the ratio of reactants, reaction temperature and reaction time on the product yield have been investigated and the optimum reaction conditions have been found.
考察了原料配比、反应温度和反应时间对产物收率的影响，找到了最佳反应条件。
Quenching and tempering heat treatment are integrated in order to improve the mechanical properties of fasteners to meet the product requirements of tensile strength and yield ratio value.
热处理调质是为了提高紧固件的综合力学性能，满足产品规定的抗拉强度值和屈强比。
Selective suitable conditions such as the ratio of reactions, different catalyst and the addition of dehydrater etc are presented. The result which is the yield of product is 82.5%.
选择了合适的原料配比、催化剂、脱水剂用量等反应条件，反应所得到的丙酮酸乙酯收率为82.5%；
Selective suitable conditions such as the ratio of reactions, different catalyst and the addition of dehydrater etc are presented. The result which is the yield of product is 82.5%.
选择了合适的原料配比、催化剂、脱水剂用量等反应条件，反应所得到的丙酮酸乙酯收率为82.5%；
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