... 单管升给制 one pipe upfeed system 一级法 one stage process 一重螺钉 one start screw ...
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用一级反应的热动力学无量纲参数法研究了环氧氯丙烷的酸催化水解反应。
The acid-catalyzed hydrolysis of epichlorohydrin is studied with the method of dimensionless parameter for the first order reactions In this paper.
实验结果表明，经预处理和生物法联合联合处理后的钻井废水可达到国家污水综合排放一级标准。
The experiment result expresses, after pretreatment and biological method, drilling sewage can attain a class standard of national waste synthetical discharge.
采用特尔菲法，选择4个一级因子和14个二级因子，建立洪灾风险评价等级指标体系。
The flood risk assessment grading systems composed of 4 first-grade factors and 14 second-grade factors are established based on Delphi method.
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