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.
利用直接微扰法，给出了该系统的一级近似波函数及能谱随时间的演化规律。
This model is solved by applying the direct perturbation method. The time evolution of spectrum and the first order approximate wave function for the system are presented.
采用开放式问卷调查法对101名现役一级以上运动员大负荷训练的心理认知干预效应进行研究。
Through using the method of questionnaire, this paper makes study on mental cognition and intervening of 101 first class active athletes with intensive training load.
提出用大口径毛细管顶空进样气相色谱法对聚氯乙烯树脂中十亿分之一级残留氯乙烯含量的测量方法。
The test method for determining residual vinyl chloride monomer content in parts per billion level in PVC resin by capillary column gas chromatography headspace technique is suggested.
利用紫外扫描法分析了该过程的动力学过程，将将其分为两个近一级反应阶段，反应速率常数分别为-0.0459和-0.0022。
The dynamic process was analysed with UV-scanning method; it can be divided into two near first order reaction stages with reaction constants of -0.0459 and 0.0022 respectively.
对目前运行中的三种简易碱回收方法了述评，指出一级浓缩燃烧法是能够正常、稳定、经济运行的好方法。
Three simple recovery processes of alkali in small-scale paper mill are evaluated, and single-stage condensation-combustion process is stabler and more economic.
用非线性参数估计法对四氢萘加氢裂化反应网络的拟一级动力学常数进行了计算。
The pseudo-first-order kinetic rate constant of each step in the network of hydrocracking of tetralin was evaluated by the nonlinear parameter estimation method.
重点研究了活化污泥法强化一级处理对城市污水中重金属离子的去除效果。
The removal efficiency of heavy metal in city wastewater treated by activated sludge process was studied.
用序列活性污泥法和混凝法组合技术处理该种废水，可达到国家GB 3544—92二级或一级排放标准。
After treatment by Sequencing Batch Reactor (SBR) combined with chemical flocculation, the effluent can be discharged in accordance with the national standard, GB 3544-92.
用序列活性污泥法和混凝法组合技术处理该种废水，可达到国家GB 3544—92二级或一级排放标准。
After treatment by Sequencing Batch Reactor (SBR) combined with chemical flocculation, the effluent can be discharged in accordance with the national standard, GB 3544-92.
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