A reasonable and perfect mathematical model for Emergency Residual Heat Removal System (ERHRS) of AC 600 is constructed in the paper,and a dynamic simulation program MISAP is developed for analyzing the transient thermohydraulic characteristics of this system.
Building a reasonable and perfect judicial review system to examine the right of compulsory sanction is a mission of studying the legitimate purpose of investigative procedure.
Whether its regulation reasonable and perfect has a direct bearing on the realization of its autonomous idea and makes a tremendous impact on balance in profit among shareholders, creditors and the public.
According to the theory of society structure,harmonious society should be constituted of economy system,organization system,conception system,safeguard system.
Besides establishing a network with tight relations and reasonable structures, we still need a good transient stability control system to meet the requirement of power system safety and stability.
In this article,the author introduced the deployment and management of medical equipments in an emergency department,in order to give doctors efficient assistance under the condition of a certain investment.
State-owned commercial banks (SCB) are the backbone of China's financial system. The adequacy of the corporate governance in SCB has a direct effect upon asset quality and operating efficiency as well as the stability and efficiency of the whole financial system.
It seems to the authors that more reasonable and perfect results could be given with a quantitative analysis of accession degree in fuzzy mathematics by using this method than that of traditional statistical correlation analysis.
How to make a reasonable criterion to accept or reject measurements is a valuable research topic.The current fixed-tolerance-method,which is to reject the outliers and accept all the others,in fact,has quite a few disadvantages.Here,this paper tries to enrich this method with a control graph for discriminations of abnormal levelling measurements within tolerance,three criterions are summarized as follows: Criterion 1,although the points are within tolerance,the case in which a certain number successive poin...
The FCC unit in Maoming Refinery was modified with the addition ofthird-stage cyclone separator and waste heat boiler and the use of zeolitecatalyst and CO combustion promoter,etc.The modified unit has been per-forming smoothly with record high yields of premium products of an increasedthroughput.Safe,stable and long-period operation was thus achieved and theprofibility was enhanced.
茂名石油工业公司炼油厂催化裂化装置于1972年投产以来,经过更换风机和提压操作,增设三级旋风分离器和余热锅炉回收再生烟气热能,利用顶循环回流预热软化水回收低温热能,对反应、再生和分馏系统进行技术改造,并应用 CO 助燃剂、分子筛催化剂等新技术,使装置的工艺技术越来越趋于合理、完善和配套。不但提高了装置处理能力,而且各项技术经济指标都达到了本装置的最好水平,取得了高产、优质、低耗的成果,实现了安全、稳定、长周期生产,充分发挥了装置的经济效益。