tissue free water(tfw)of pine needles is separated out through azeotropic distillation of pine needles and toluene, recovery ratio of tfw is 90%.

本文用生物样品与有机溶剂共沸蒸馏分离法对秦山核电厂附近秦山上松针中组织自由水氚进行测量。

a heat integrated ethanolwater azeotropic distillation flowsheet is studied.

研究乙醇、水共沸精馏的热量集成流程。

the nanosized tio2 powder prepared by foam flotation method was compared with the sample prepared by azeotropic distillation method.

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。

azeotropic distillation technique is an important way to separat close-boiling or azeotropic systems, in which the flow of entrainer is an important factor to affect separation property.

恒沸精馏是分离近沸点与恒沸物系的重要手段，挟带剂量是影响恒沸精馏分离性质的重要因素。

the lle data obtained can be used in azeotropic distillation calculation for concentration of phosphoric acid.

研究结果对共沸精馏浓缩磷酸提供了必要的理论依据和基础数据。

the preparation of ultrafine tourmaline powder by azeotropic distillation method;

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。

efficiency of conventional separation, namely azeotropic distillation or extractive distillation, was relatively low due to very close relative volatility of benzene and cyclohexane.

由于苯和环己烷的相对挥发度非常接近，利用传统分离方法（如萃取精馏或共沸精馏）分离苯-环己烷混合物的分离效率较低。

a single column batch azeotropic distillation method was applied to the separation of isopropanol-water system with cyclohexane as an azeotropic agent.

采用单塔间歇恒沸精馏法，选择环己烷作为恒沸剂，分离异丙醇和水。

according to process design of azeotropic distillation column of mtbe plant, commercial application of jcpt tray is introduced.

结合燕化公司mtbe装置扩能改造共沸蒸馏塔的工艺设计，介绍了jcpt塔板的工业应用情况。

owning to the predominant advantages in separating azeotropic and close-boiling point mixtures, batch azeotropic distillation is being paid more and more attention.

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。

the paper introduced a modeling method based on sliding time window to settle the problems that the component of the azeotropic distillation cannot be measured.

针对扬子石化公司丁二烯精馏塔成分估计问题，提出了一种基于滚动时间窗的软测量建模方法。

a topic of great practical and particular industrial interest in recent years has been three-phase azeotropic distillation or heteroazeotropic 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。

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.

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。

computation and comparison have been made by using these two methods, and as a result, azeotropic distillation is more suitable to this system.

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。

the reaction was driven to completion by azeotropic distillation of water using a carrier solvent.

改性反应是在有机分散剂中进行，并通过回流分水使反应充分。

a ternary system of butyl acrylate-butyl alcohol-water may be separated through rectification or azeotropic distillation according to the equilibrium relationship.

根据丙烯酸异丁酯、异丁醇、水三元物系的相平衡关系，可以采用常规精馏与共沸精馏二种分离方法。

the reaction was not suitable conducted under solvent-free condition, water formed during the reaction was removed by azeotropic distillation with toluene throughout the reaction.

相转移催化环烷基化反应不适合采用无溶剂法来进行，对反应过程中的溶剂效应进行分析后选择甲苯作为溶剂和带水剂。

both the partial condensation technique and the anhydrous ethanol reflux azeotropic distillation technique show great advantage in energy saving according to the simulation results.

结果表明，部分冷凝工艺和回流段无水乙醇共沸精馏流程节能效果显着。

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.

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。

the modeling method based on sliding time window was introduced, which dealed with these problems that the components of an azeotropic distillation were difficultly measured.

针对某一工业共沸精馏塔成分估计问题，利用基于支持向量机技术的软测量建模方法，建立了恰当的工业软测量模型。