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.
如今，每人都有朋友和同事，却没人拥有爱侣，同床共枕，却同床异梦。
These days, everyone has friends and colleagues: no one really has lovers---even if they have slept together.
通过共培养的方法，研究了亚历山大藻和赤潮异弯藻种群竞争关系对UV B辐射增强的响应变化。
The responses of the interspecific competition between Alexandrium tamarense and Heterosigma akashiwo to UV-B radiation enhancement was studied by co-culture method.
报道了锆-钙-茜素红s异多核配合物的形成，共显色效应的光度特性及测定锆的最佳条件。
The formation of zirconium -calcium -alizarine red s mix - polynuclear complex and its co-colouration effect have been investigated.
通过用选自聚乙酸乙烯酯、聚异戊二烯、或其共混物中的聚合物涂布垂直定向碳纳米管，从而形成复合材料膜。
The composite film is formed by coating perpendicularly-aligned carbon nanotubes with a polymer selected from poly (vinyl acetate), poly (isoprene), or blends thereof.
文言文：管宁，华韵共园中锄菜，见地有片金，管挥锄与瓦石不异，韵捉而掷去之。
GuanNing, China Xin altogether garden hoe dishes, insightful there is a slice of gold, tube flick hoe and tile stone not different, hua catch and throw to.
结果：气相色谱质谱联用技术共鉴定出15种香豆素类成分，主要成分氧化前胡素、欧前胡素、异欧前胡素的相对含量分别达到42 .40 % ，2 2 .14 %和12 .12 % ；
Result: Total 15 coumarins were separated, the relative contents of oxyimperatorin, imperatorin and isoimperatorin being up to 42.40%, 22.14% and 12.12% respectively.
本文首先采用固定体积的可视化观察法（乳光法）研究了在超临界CO_2加入甲苯、环己烷、正丁醛、异丁醛、甲醇和乙醇等共溶剂之后，整个体系临界性质的变化情况。
The constant volume visual method is used to measure the critical properties of CO2+toluene, CO2+cyclohexane, CO2+n-butyraldehyde, CO2+i-butyraldehyde, CO2+ methanol and CO2+alcohol binary systems.
本文首先采用固定体积的可视化观察法（乳光法）研究了在超临界CO_2加入甲苯、环己烷、正丁醛、异丁醛、甲醇和乙醇等共溶剂之后，整个体系临界性质的变化情况。
The constant volume visual method is used to measure the critical properties of CO2+toluene, CO2+cyclohexane, CO2+n-butyraldehyde, CO2+i-butyraldehyde, CO2+ methanol and CO2+alcohol binary systems.
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