精馏

It is especially suitable for rectification towers under vacuum to treat thermosensitive, decomposable, polymerizable or cokable systems.

特别适用于真空精馏塔，处理热敏性，易分解，易聚合，易结碳的物料。

The processes of thermal dimerization reaction and reactive distillation were simulated with Aspen Plus respectively.

本文研究了采用反应精馏的一段萃取工艺，确定了二聚过程中的主要反应及其Arrhenius方程。

More interestingly, the phase transfer is found to be size-dependent which might help us distil polydisperse nanoparticles.

更有趣的是，相转移具有尺寸效应，利用尺寸效应可能会实现对某些多分散金纳米粒子进行尺寸精馏。

A control scheme for closed heat pump distillation is proposed based on steady state characteristics of distil- lation column.

结果表明，当系统出现扰动时，本文提出的热泵精馏控制方案能够使系统快速达到新的稳态，方案可行，且具有较强的抗扰动能力。

The results show that the distillation effenciency is effective.

试验结果表明精馏效果是很有效的。

You can purify the water by distilling .

你可以通过精馏来净化水。

By the simulation comparison it is clear that the downcomer greatly affected the severing calculation of multicomponent distillation columns, therefore it is more reasonable to consider the effect of downcomers.

通过仿真对比表明，降液管对多元精馏塔的分离计算具有较大的影响，考虑降液管的影响将更加符合实际工况。

The characteristic configuration and performance of the downcomer that DJ trays employ are appropriate for operations at high liquid rates.

DJ塔板系列具有独特的降液管型式，其结构和性能适用于高液通量操作；已成功地应用于炼油、石化和化肥的吸收、精馏装置中。

This paper introduces industrial application of the new compound slant-hole tray with multiple downcomer in the refinery gas separation unit, The result shows that the methods for design of the new tray is reliable, and the new tray can be used widely among the fractionating tower, absorbing tower, desorber in petrochemical, chemical, pharmaceutical industries and so on.

介绍了新型多溢流复合斜孔塔板在炼厂气体分馏装置上的工业化应用，结果表明其设计方法是可靠的，可以广泛应用于石化、化工、医药等许多行业的精馏塔、吸收塔和解吸塔上，特别适用于液相负荷很大的体系。

By comparing the costs of the steam in different processes,the optimal energy conservation method is obtained.

通过对不同流程所需的加热蒸汽的费用比较，提出了精馏设计的最佳节能优化方案。

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。