与水共沸的物质的精制相当困难，一般工艺流程都较长。
It's quite difficult to purify the substance co-boiling with water.
如果我们有这样子特殊的A和B的混合物，在这个点，我们得到了所谓的共沸混合物。
So if I have this special mixture here, of A and B, at this point here, I form what's called an azeotrope.
这时就是一个负的共沸混合物。
用模型参数推算了常压下水三聚甲醛系统的共沸组成和共沸温度。
The azeotropic temperature and compositions of the trioxane-water system under atmospheric pressure were also predicted.
本文介绍了应用非共沸混合物的小型制冷系统的特性。
In this paper, the performances characteristics of small refrigerating system using non azeotropic mixtures are introduced.
一种带共沸精馏分水的新型酯化反应实验装置用于合成乙酸异戊酯。
A new esterification equipment with a water separator by azeotropic rectification was used to the synthetic reaction of isopentyl acetate.
自行复叠制冷循环采用非共沸混合工质作为制冷剂，而且只采用一台压缩机，正是这些独特的优点使其受到了广泛的关注。
The Auto Cascade Refrigeration Cycle (ACR) requires only one compressor with the non-azeotropic refrigerant mixture (NARM), which is very popular for its particular excellence.
研究了近共沸混合制冷剂充灌量与冰箱性能及运行参数间的关系。
The experimental investigation on the relations between near-azeotropic mixture refrigerant quantity and refrigerator performance and operating parameters are presented.
新型自复叠制冷循环使用非共沸混合工质，可以在相同的蒸发压力下提供不同的蒸发温度。
The new cycle, employing non-azeotropic mixture refrigerant, can provide different evaporation temperatures under an evaporation pressure.
最后进行了工业间歇共沸精馏分离正己烷和乙酸乙酯的实验研究。
Finally the separation of n-hexane and ethyl acetate was tested with an industrial column in a way of batch azeotropic distillation.
在工业上，三相共沸精馏过程或称之为非均相恒沸精馏过程在近年来逐渐表现出其特殊应用和巨大的实用价值。
A topic of great practical and particular industrial interest in recent years has been three-phase azeotropic distillation or heteroazeotropic distillation.
确定了1,4 -二氧六环中所含的杂质，对共沸精馏法分离及提纯1,4 -二氧六环有重要指导价值。
Impurities in the dioxane were determined. The analysis method has important directive value for separating and purifying 1, 4-dioxane with azeotropic rectification.
研究乙醇、水共沸精馏的热量集成流程。
A heat integrated ethanolwater azeotropic distillation flowsheet is studied.
利用控制醇盐水解的方法，分别采用正丁醇共沸蒸馏和乙醇洗涤这两种工艺，详细研究了超细二氧化钛粉体的制备过程。
By controlling the hydration of alkoxide, and with n-butanol azeotropic distillation and ethanol rinsing methods, the preparation process of superfine titania powder was investigated in detail.
本文的主要目的是研究远洋船舶制冷剂替代过程中，非共沸混合制冷剂发生泄漏后对系统的制冷系数和制冷量的影响。
The purpose of this paper is to analyze the change of COP and capacity after the leakage of the non-azeotropic mixing refrigerant in marine refrigeration systems.
由于在分离共沸物或相近沸点混合物方面优点突出，间歇共沸精馏正受到日益广泛的重视。
Owning to the predominant advantages in separating azeotropic and close-boiling point mixtures, batch azeotropic distillation is being paid more and more attention.
对泡沫悬浮法和共沸蒸馏法的防团聚效果进行了系统比较。
The nano sized TiO2 powder prepared by foam flotation method was compared with the sample prepared by azeotropic distillation method.
介绍了以甲醇钠甲醇溶液与氯仿为原料，采用共沸蒸馏法制备原甲酸三甲酯的改进工艺。
An improved method of synthesizing trimethyl orthoformate through azeotropic distillation by taking sodium methoxide in methanol and chloroform as raw materials has been presented by the author.
本文对该二种方法进行了计算比较，认为采用共沸精馏的方法更为合适。
Computation and comparison have been made by using these two methods, and as a result, azeotropic distillation is more suitable to this system.
由于热解油中物质的复杂性及共沸现象的存在，给热解油的分离提纯带来了很大的困难。
Because the complexity and mutual boiling existence of pyrolysis oil, it bring out much difficult to separate and purify pyrolysis oil.
在此基础上，提出了降低运行费用的共沸塔操作调整的优化方向。
On this base, the suggestion is put forward on optimization of azeotrope tower operation adjustment to reduce the operation cost.
该文研究了微波辐射和常规加热下卤素交换氟化合成对氟硝基苯的方法，提出了共沸干燥和微波干燥制备无水KF的方法。
The halogen exchange method to prepare p fluoronitrobenzene under microwave irradiation and conventional heat was studied. Drying KF by azeotropy and microwave irradiation was proposed.
在三元非共沸混合工质变成分容量调节空调研究中，工质热力性质的计算不仅关键而且相当复杂。
In the study of varying composition capacity control air conditioning system with ternary mixtures, the calculation of the mixture's properties is significant and complicated.
这是因为醇可以减小表面张力，与水或水和烃形成低沸点共沸物，将侵入的水排出。
The alcohol treatment mechanism is that the invaded water can be removed by decreasing surface tension and forming low boiling point azeotrope.
通过对糠醛干燥塔中热醛汽流量的控制，可获得干燥糠醛，并使塔顶馏出物的组成接近糠醛水共沸组成；
The dry furfural can be obtained and the composition of the tops was close to the composition of furfural water azeotrope.
前言： 目的：提高青霉素提炼过程中钠盐共沸结晶的收率，对于青霉素生产过程的总收率的提高非常重要。
Objective:Improving the earning ratio on sodium salt azeotropism crystallization in the process of refining Penicillin is vital important to the total rates of return in producing Penicillin.
前言： 目的：提高青霉素提炼过程中钠盐共沸结晶的收率，对于青霉素生产过程的总收率的提高非常重要。
Objective:Improving the earning ratio on sodium salt azeotropism crystallization in the process of refining Penicillin is vital important to the total rates of return in producing Penicillin.
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