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.
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.
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.
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.
加恒沸剂共沸蒸馏和乙酸萃取反应精馏过程。乙醛缩合法生产乙酸乙酯的三塔连续精馏过程以及乙烯与乙酸气相催化反应的加水精制工艺过程。
Three-tower continuous distillation process of ethyl acetate from aldehyde condensation and purification by gas-phase oxidation of acetic acid and ethylene were also discussed.
本文应用一种快速、准确的隐式格式迭代数值计算方法,对非共沸制冷剂R417A在水平光滑管内的蒸发过程进行了数值模拟。
In this paper a implicit numerical method is used to simulating the evaporation of zerotropic refrigerant R417A in horizontal smooth tube.
本文应用一种快速、准确的隐式格式迭代数值计算方法,对非共沸制冷剂R417A在水平光滑管内的蒸发过程进行了数值模拟。
In this paper a implicit numerical method is used to simulating the evaporation of zerotropic refrigerant R417A in horizontal smooth tube.
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