By using the statistics analysis method, the reasons for the excessive blowdown of quench water in Daqing Ethylene Plant are found and, some measures are proposed and used to solve the problem.
笔者运用统计学的方法分析了中国石油大庆石化分公司化工一厂乙烯装置急冷水排放量大的原因，并针对这些原因所采取的措施。
An analysis is made of the problem that the metering error is substantial in custody transfer metering of crude oil with low water content.
分析了原油交换计量过程中存在低含水状态下计量误差较大的问题。
Hydraulic analysis of supply water pipe network is supply water pipe network design, transform and management various kinds of use theoretical foundation of problem to solve.
而给水管网水力分析是解决给水管网设计、改造和管理等各种应用问题的理论基础。
The analysis and simulation of the interaction between groundwater and surface water is a considerably difficult problem in water resources planning and management.
地表水与地下水转化量的模拟预测一直是区域水资源评价和管理中的难题。
Analysis focuses on the reason for impurity concentration in closed-cycle nitrogen-water precooling system of air separation unit. The solution to this problem is also presented.
分析了空分设备闭式循环氮水预冷系统杂质浓缩的原因，提出了处理措施。
Analysis focuses on the reason for impurity concentration in closed-cycle nitrogen-water precooling system of air separation unit. The solution to this problem is also presented.
分析了空分设备闭式循环氮水预冷系统杂质浓缩的原因，提出了处理措施。
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