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.

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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.

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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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