汽

Leading resistant factor into the necessary condition can also enlarge the quadratic convergence region near optimal solution so that it is very efficient to use the known flash calculations at one condition to iteratively compute another optimal solution at other conditions where pressure, temperature and mole fractions of components are close to known ones respectively.

在极值必要条件式中引入阻尼因子能扩大真解附近的平方收敛域，尤其在利用已知条件下的汽液平衡结果作初值直接用极值条件方程迭代计算压力、温度和组成变化不严重的相邻点的汽液平衡极值解方面效果十分显著，适合于加快组分模型的计算速度。

This article introduces the necessary for equipping with the exhaust steam device with deaeration function in detailed,describe several arrangement structures of deaerator,and give a general instruction for the features of the exhaust steam device equipped with the surface heat exchanger.

较为详细地介绍了设置除氧功能排汽装置的必要性，阐述了除氧装置的几种布置结构，并对具有表面式换热器的排汽装置的应用特点进行了简要描述。

In addition, the low-temperature heat utilization in deaeration of desahed water and temperature elevation of deaerated water is explored on the basis of refinery system integration and optimization.

其次从炼油厂系统整合优化角度探讨除盐水在除氧环节以及除氧水在升温环节低温热利用的途径，通过技术改进和系统低温热利用相结合，探讨芳烃精馏塔实现回收低温热和消除装置瓶颈的可行性，提出利用区域除盐水集中升温除氧以及区域除氧水先集中升温再进汽包产汽的芳烃脱庚烷塔低温热利用方案，不仅能回收67％的低温热，产生的1.4MPa低压蒸汽（10t／h）还可代替连续重整装置脱已烷塔重沸器的中压蒸汽。

This paper analyses conventional control systems of deaerator's and condenser's level s, and furthermore points out the system drawbacks which cause these control systems difficult to be put in automation.

对国内125MW和200MW火电机组除氧器和凝汽器水位控制系统进行分析，指出了难于投入的原因。并采用模糊控制技术对除氧器和凝汽器水位进行多变量控制，仿真结果表明本文所提出的模糊控制方法是十分有效的

DCH Auto Group's insurance business is an important part of which has a German BEISSBRATH, Italy DECA, the United States KWIK-WAY, Italy WERTHER, Italy MAVEL (10000 Wo ), Italy ANI, Italy SIRIO and other global brands of steam dozens of well-known security products in China, power of attorney, and charged with equipment development, international trade, domestic promotion, marketing services and technical training, etc. a number of important functions.

汽保业务是大昌集团的重要组成部份，其拥有德国BEISSBRATH 、意大利DECA、美国KWIK-WAY、意大利WERTHER、意大利MAVEL、意大利ANI、意大利SIRIO等全球性数十家知名品牌的汽保产品在中国的代理权，并担负着设备开发、国际贸易、国内推广、销售服务以及技术培训等多项重要职能。

Through a special arrangement of baffles in the stripper, the downflow back mixing of oil gases is reduced, and the influence of stripping gas on the separation efficiency is minimized.

在目前常用的提升管出口粗旋风分离器的锥体下部增加一个汽提器，形成了新型汽提式粗旋风分离系统。

It is confirmed from both the experimental investigation and numerical analysis that the constitutive correlation of the drift velocity in which the effect of the gravitational force and the acceleration of fluid flow on the drift velocity of the vapor phase is taken into account has reasonable accuracy and it can be used to determine the drift velocity of the vapor phase of two-dimensional and three-dimensional two-phase flow.

本文结合实验测量和数值计算两方面，验证了同时考虑重力和流体本身加速作用对汽相漂移速度的影响是合理的，这种漂移速度结构关系式可以用来计算二维和三维汽相漂移速度。

After the optimal design, some parameters of the impeller such as entrance angle and diameter and have been changed. The improved impellers efficiency and cavitation performance are better than the former one.

通过对叶轮入口处的流场分析，证实了该泵性能下降是由汽蚀造成的推测；基于速度系数法建立了叶轮优化的数学模型，通过得到的流场数据和该数学模型对原叶轮进行了优化设计，优化结果对叶片的入口角和叶片的入口直径等参数进行了改进，优化后的叶轮达到了提高泵的汽蚀性能和效率的目的。

The sensitiveness of simulationis also studies in this paper.It shows that overall evulsion ration increases when theoverhead of early-distillation tower and atmospheric distillation increase. Increase ofvapor of atmospheric tower and sidetrack vapor extraction an also leads to rise ofoverall evulsion ration .

本文还对模拟计算灵敏度进行了分析，考察了塔顶馏出物及汽提蒸气量对拔出率的影响，结果表明拔出率随着初馏塔和常压塔塔顶馏出物的增加而增加，随常压塔蒸气量和侧线汽提量的增加而增加。

With regard to the impact on machine unit economic performance of exhaust steam pressure variation a new quantitative method, i.

针对排汽压力变化对机组经济性的影响，提出一种新的定量方法——排汽压力等效热降计算法。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了