查询词典 distillation

Of late years, Along with the development of computer、artificial intelligence and nerve net ,it become one of the problem that the corporations concern, that is how to combine the computer with the theory of distillation and apply it to fault diagnosis of distillation column.

近年来随着计算机和人工智能的发展及精馏过程的理论日趋成熟，如何将计算机和精馏过程的理论有机结合应用到精馏塔的故障诊断中去，是企业关注的问题之一。

And in the process control, will face a difficult problem, is effective in resolving the issue of VCM distillation, the quality of refined products for the VCM is especially important in light of our factory production processes perchlorethylene characteristics and the actual situation of VCM a distillation of Frequently Asked Questions.

而在该过程控制中，会遇到一个个棘手的问题，能否有效解决好VCM精馏问题，对于VCM精制产品质量则显得尤为重要，结合我厂氯乙烯生产的工艺特点和实际情况，对VCM精馏常见问题作一浅析。

In allusion to the complexity in developing a strict dynamic mechanism model of distillation column and the trouble in applying the mechanism model, an optimal BP algorithm combined with conjugate gradient and self adaptive variable step is proposed, and a predicting model of distillation column is built.

针对建立精馏塔严格动态机理模型的复杂性以及机理模型应用的诸多不便，提出了一种综合共轭梯度和自适应变步长的优化BP算法，并利用该优化BP算法建立了精馏塔的预测模型。

C~Builder program design ; sieve plate distillation column ; computer-aided design ; two component continuous distillation

C++Builder程序设计；筛板精馏塔；计算机辅助设计；两组分连续精馏

In a preferred embodiment, the cover of the distillation tank is hemispherical, the alcohol vapor recovery port is fitted with a splash guard, and the entire cover is removable to allow for cleaning of the distillation tank.

在首选的体现，封面的蒸馏罐半球形，酒精回收港口装有飞溅后卫，整个覆盖移动，让清洁的蒸馏罐。

Based on the distillation data of raw material, which are usually in the form of empirical charts and formulas, a simple stationary state mathematical model was developed for atmospheric distillation tower.

3将软件设计中的模块化技术应用于构造复杂工业过程系统仿真模型，形成了一种以模块间的调用关系和偶合关系的定量化描述为核心的模块化模型设计技术。

The Bidiagonal matrix method for the simulation of distillation and catalytic distillation is developed. The bidiagonal matrix method is proved to be better in convergcnce and stability by compared with the tridiagonal matrix method.

在多组分精馏塔的稳态模拟计算中，三对角矩阵法具有占用计算机内存少，无需计算偏导数矩阵等优点，但对强非理想性体系有时计算不收敛。

At the same time , fault diagnosis expert system of distillation column can judge the multifarious unconventionality state exactly in time to prevent them expand, make necessary instruction and correction to improve the reliability of distillation column.

与此同时，精馏塔故障诊断专家系统还能够及时，正确地对各种异常状态做出判断，防止他们的进一步发展，对精馏塔的运行进行必要的指导或修正，以期提高精馏塔运行的可靠性。

In recent years, the film of new research and development and velar process include film it is distillation, OK to permeate distillation and compositive film technology the flaw that remedies reverse osmosis to condense fruit juice technology.

近年来，新研发的膜和膜过程包括膜蒸馏、渗透蒸馏和集成膜技术可以弥补反渗透浓缩果汁技术的缺陷。

The steam distillation. 2.Rotary evaporation distillation, 3.supercritical extraction for the extraction of volatile oil oriental arborvitae, the experiment results showed, 1.the best conditions for the extraction by rotary evaporation are NG:water:ethanol=l:4:4 sawdust under the conditions 50 ° C in temperature, atmospheric pressure 0.1 Pa, extract maximum extraction rate of 90 minutes.

对不同方法提取得到的侧柏挥发性物质的粗提物进行了的触角电位测定和行为测定，确定了利用水蒸气蒸馏、旋转蒸发蒸馏、超临界萃取三种方法进行侧柏挥发油的提取，并通过试验得到旋转蒸发仪萃取的最佳方法为：在木屑：水：乙醇=1：4：4；50℃温度；0.1个大气压的条件下，提取90min的提取率最高。

The circulation, consumption and reproduction of the trilogy have not only testified to its historical significance and literariness, but also invested it with new meanings.

该三部曲的流通、消费与再生产不仅验证了其历史意义及文学性，而切还赋予它以新的意义。

If he thought that he could buy me off, he would be wrong.

如果他认为他可以收买我，那他就大错特错了。