Through the measure of raise the reaction temperature, the yield of liquefied petroleum gas was increased. The product structures were optimized and the product quality was assured.
通过适当调高反应温度，提高了液化气的收率，优化了产品结构，并且保证了产品质量。
An improved method for the preparation of pyrazolyl sulfamide was introduced, and the purity of product was improved with yield increased from 50% to 85% and less pollution.
介绍了吡唑磺酰胺的工艺改进方法，通过改进，提高了产品质量，收率由50%提高到85%。
Based on the neural network models, the control variables are optimized with improved ant algorithm. And the yield of the product can be increased by optimization.
进一步采用改进的蚁群算法来对发酵过程的控制变量进行优化，使发酵的产物产量得到提高。
The use of ethyl acetate as solvent and p-toluene sulfonic acid as a catalyst has increased the reaction rate and the product yield.
本研究采用乙酸乙酯为溶剂，对甲苯磺酸为催化剂，提高了反应速度和产物质量。
The use of ethyl acetate as solvent and p-toluene sulfonic acid as a catalyst has increased the reaction rate and the product yield.
本研究采用乙酸乙酯为溶剂，对甲苯磺酸为催化剂，提高了反应速度和产物质量。
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