查询词典 azeotropic

Extractive distillation is an important and useful technique for separating close boiling and azeotropic liquid mixtures.

萃取精馏是分离沸点相近或具有恒沸组成混合物的一种重要方法。

Initially, we experimented with azeotropic removal of the water with benzene via the Dean-Stark tactic.

起初，我们尝试去除水中的苯共沸经院长-斯塔克战术。

ResultsThe results show that the copolymerization of DMAEMA and DADMAC is an azeotropic compound.

结果 2-甲基丙烯酸二甲胺乙酯和二烯丙基二甲基氯化铵为共沸化合物。

The purity of Monochloroacetone can be reached to 99% by azeotropic distillation in the ratio of water to the mixture of Monochloroacetone and 1,1-dichloroacetone 1:1.

实验确定共沸剂水的加入量与氯丙酮混合液的比例为1：1时，能达到良好的分离效果，可得到纯度99％以上的一氯丙酮。

The acetic acid is refined by vacuum distillation and azeotropic distillation.

以醋酸的精制可利用减压精馏蒸出和共沸精馏脱水来实现。

The azeotropic point of acetonitrile-water can be eliminated by ethylene glycol-CaCl_2 solvent,and relative volatility of acetonitrile to water can be increased.

乙腈是一种重要的化工原料，同时也是一种重要的有机溶剂，在溶剂回收的过程中经常遇到乙腈和水的分离问题。

The results show that nbutanol azeotropic distillation can effectively prevent the formation of hard agglomerates in drying process,and good dispersed spherical nanopowders can be obtained,with an average size of 50 nm.

结果表明，用正丁醇共沸蒸馏能有效地防止干燥过程中颗粒间的硬团聚，获得分散性良好的粉体，其平均粒径约为50 nm，形貌为球形。

From the azeotropic mixture from the top of the tower the absolute ethanol is prepared and returned to the oxidation and carbonylation system.

塔顶出来的共沸混合物按照工业乙醇脱水方法制备的无水乙醇返回氧化羰化合成系统。

The pressure swing distillation is an effective separation of binary azeotropic mixtures, and it has the advantages of simplicity, low energy and low cost.

而变压蒸馏分离系统(Pressure Swing Distillation，PSD)是一种可以有效的分离二元共沸混合物的技术，且具有简易性、低耗能及低成本花费等优点[1]。

Pervaporation is one of the most active areas in membrane research. It has particular advantages in separating liquid mixtures, especially removal of trace material as well as azeotropic mixture.

渗透汽化是膜科学研究中最活跃的领域之一，在分离液体混合物，尤其是痕量、微量物质的移除，近、共沸物质的分离等方面有独特优势。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。