分馏的

During the evolution of these granitoids which resulted from rejuvenation and anatexis of the old basement (1200-2000Ma), the main ways for REE differentiations were:(1) partial melting;(2) fractional crystalization;(3) thermogravitational diffusion;(4) differentiations of metamorphism and migmatism, and (5) hydrothermalism.

在花岗岩的形成和演化过程中，有五种最主要的方式造成REE的分馏作用：(1)部分熔融作用；(2)分离结晶作用；(3)热重力扩散作用；(4)变质-混合岩化作用和(5)热液流体作用。

Calcium carbide and acetylene distillation process was simulated and optimized, which is instructive for the industrial production and expansion of current VCM equipment.

电石乙炔法分馏系统的工艺流程的全过程模拟和优化，对工业生产和VCM装置的扩建具有实际指导作用。

For lanthanides in Am at pH 2. 7～2. 8. According to empirical distribution ratio model and proposed calculation method, flow sheets are proposed for the separation of Am and fission product lanthanides from power reactor and production reactor waste respectively.

7级萃取、3级洗涤2级反萃的多级逆流分馏萃取实验表明HBTMPDTP-TBP-煤油能够很好地萃取分离镅和镧系元素，在pH值为2.7～2.8时，镧系元素中镅的分离系数大于5×10〓，镅中镧系元素的分离系数大于2.5×10〓。

Since 1980s, for solving the problems in purification of high sulfur content natural gas, the separation methods based on the physical principle have been developed abroad, and two methods such as low temperature fractional distillation and membrance separation are successful.

八十年代以来，为解决酸气含量很高的天然气净化问题，国外致力于开发利用物理原理进行分离的方法，已取得成功的有低温分馏和膜分离两种方法。

With the development of determination fractionation of the stable chlorine isotope was verified, attracting many people's attention.

随着测定技术的不断发展，氯同位素的分馏效应逐渐得到证实，并引起了人们的广泛关注。

With the development of determination technique, the fractionation of the stable chlorine isotope was verified, attracting many people＇s attention.

随着测定技术的不断发展，氯同位素的分馏效应逐渐得到证实，并引起了人们的广泛关注。

A fast simulation system for FCC main fractionator was developed by using the distillation data of oil product,experiential charts and correlations in petroleum refining industry.

基于油品的蒸馏数据，利用炼油工业中已积累的一整套经验图表和经验关联式，开发了一个快捷的催化裂化主分馏塔模拟系统。

In the production of refinery, the normal operation of the catalytic cracker unit is often affected by the coke formation in the oil-gas pipeline between the settler and fractionator.

炼油厂催化裂化装置沉降器至分馏塔之间的油气管线，在生产过程中容易结焦而影响装置的正常运转。通过几种方案的分析对比，选择并采用高压水射流技术进行清洗。

In addition, applications of dynamic feedforward feedback control to the continuously sterilized tower, the power-boiler and the fractionating column of crude oil have been investigated.

此外，还研究了连续消毒塔、动力锅炉和原油分馏塔的动态前馈-反馈控制，同时提出了应用动态前馈补偿克服由虚假被控信号所引起的反馈误动作和非标准型前馈控制。

MWV have several world-class business locations in China including:* Technical support centers in Shanghai and Shenzhen * A spray nozzle and pump plant in Wuxi * A folded carton converting and printing facility in Wuxi * Joint ventures for tall oil fractionation in Shaxian and for activated carbon production in Shaowu * Sales offices in Shanghai, Hong Kong and Taiwan * Sourcing centers for China in Shanghai, Hongkong, and Shenzhen.

MWV在中国的业务发展迅速，设立了多个世界级的商业布点，包括：*在上海和深圳设立了技术支持中心*在无锡开设了定量泵厂以及包装印刷工厂*在沙县成立了妥尔油分馏合资公司*在邵武成立了活性炭生产基地*在上海、香港和台湾设立了销售中心*在上海、香港、深圳均建立了采购中心

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。