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- The liquid ammonia with oil can produced biuret scale on the urea system in chemical fertilizer plant.The efficiency of heat exchanger and producing capacity of urea were reduced. 化肥厂原料液氨带油进入尿素系统,尿素设备的换热段高温部位产生一定量的缩二脲垢,导致换热效率和产品产量下降。
- The urea system 尿素系统
- This article describes a practical method for calculating VLE urea system based on phase diagram. 本文提供一个在相图上计算汽液平衡的新方法,简易实用。
- The urea conveyances system is designed and realized by using the WINCC software of SIEMENS. 摘要应用SIEMENS公司的WINCC组态软件实现了尿素包装输送系统的设计。
- The urea concentration to wash and purify protein was confirmed. 确定了洗涤和溶解包涵体的最佳尿素浓度;
- Urea stream is a kind of volatile weak electrolytes stream.The thermodynamics method for calculating vapor liquid equilibrium (VLE) for urea system is complex. 尿素物系是一个挥发性弱电解质物系,汽液平衡热力学计算方法甚为复杂。
- The system is used in the ammonia synthesis section and the urea unit at Guizhou Chishui Natural Gas Chemical Group Co.,Ltd with good results. 该系统在贵州赤天化集团有限责任公司合成、尿素装置中应用,效果良好。
- After retrofit, the urea processcondensate is completely recovered and sent to the desalting system,thereby accomplishing the complete recovery and utilization of the efflu-ent. 改造后,尿素工艺冷凝液全部回收至脱盐水系统,实现了排放废水的全部回收利用。
- After retrofit, the urea process condensate is completely recovered and sent to the desalting system, thereby accomplishing the complete recovery and utilization of the effluent. 改造后,尿素工艺冷凝液全部回收至脱盐水系统,实现了排放废水的全部回收利用。
- LV 09202 is a key valve in the ammonia stripping process for urea production of Snam Company,Italy.In the course of production,urea system has often to shutdown because of the failure of this valve. 09202是斯纳姆公司的氨汽提尿素工艺中的关键阀门,在生产过程中常因该阀出故障引起尿素系统停车。
- The right to dissent is part of our political system. 有持异议的权利是我们政治体制的组成部分。
- An analysis is made of the drawbacks in the conventional startup mode of the urea scraper. 摘要分析了尿素刮料机传统启动方式存在的不足之处。
- Do you know how to log in to the system? 你知道怎么登录进入这个系统吗?
- The fumarate ion participates in several important metabolic pathways, e.g. the Krebs cycle, purine pathways, and the urea cycle. 延胡索酸分别参与多种重要的代谢途径,如卡尔文循环、嘌呤途径和尿素循环。
- Public opinion was against the old feudal system. 公众舆论反对旧的封建制度。
- The system works on the principle that heat rises. 该项装置是按照热力上升的原理运转的。
- The pearly pigment of mica titanium was prepared by using the liquid deposition method with the urea as precipitant. 采用尿素作为中和剂,用液相沉积法制备了云母钛珠光颜料。
- The urea plant was revamped to a large extent,and the actual operation effect was appraised after revamping. 对装置进行了较大规模的技术改造,评价了装置改造后的实际运行效果。
- The drainage system has been aged. 排水系统已经老化了。
- The wind whirled the dead leaves about. 风吹得枯叶在四处回旋。