This article analyzes the main reasons for vaporization inside HP ammonium carbamate pump, proposes improving plan in order to completely solve this bottlenecking problem. 分析高压甲铵泵产生汽化的主要原因,提出改进方案,彻底解决尿素生产的瓶颈问题。
Principles for hydrocracking unit revamping are expounded as follows: ( 1) Making an evaluation of the unit before revamping and finding out the "bottlenecking"; 介绍了加氢裂化装置改造设计中一般应遵循的原则,如改造前对老装置进行考核标定,找出“瓶颈”所在;
Process modeling, control and optimization technology are bottlenecking technologies impacting the development of China's fine chemical industry. 过程模型化、控制和优化技术已成为制约我国精细化工发展的瓶颈之一。
Compared to the single-parameter methods for performance diagram on whole distillation column, this full-parameter methods for performance diagram on whole distillation column is more easily used for the bottlenecking analysis, analysis of rational matching of different internals and the evaluation of the internals of final construction design. 与单指标的全塔负荷性能图相比,全指标全塔负荷性能图用于精馏塔瓶颈分析,不同塔内件合理匹配分析和最终施工图设计塔内件评价方面更加直观、容易、便于编程。
The complexity of micro-fluid itself and the localization of the observation measures are now bottlenecking the development of the theory and technology of micro-fluidic system. 一直以来,微流动本身的复杂性以及流动监测手段的局限性制约着微流体系统理论及技术的发展。
The fouling of equipment in ethylene plant is a bottlenecking problem that affects long life cycle operation. The author emphatically describes the fouling of quenching oil tower and cold box and related preventive measures. 设备结垢堵塞问题已成为乙烯装置长周期运转的难点,笔者重点论述了急冷油塔和冷箱的结垢问题及防范错施。
Currently, there are some negative factors bottlenecking the transfer of coastal fishermen, such as high sunk cost of fishing boats, few reemployment opportunities and much capital needed, which may indicate no profits for their. 当前,沿海渔民转产存在渔船沉淀成本高、再就业机会少、转产所需资金大等不利因素,这使得渔民转产转业无利可图,从根本上制约了转产转业工作的进程。