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1·Principles of chemical engineering is a branch of chemical engineering that studies unit operations.

化工原理：以单元操作为研究对象的一门技术科学。

2·This article presents some opinions how to use reasonably the multi-media aid and improve teaching effect in the Principles of Chemical Engineering Teaching.

文章结合作者近几年的教学改革经验，就如何在《化工原理》教学中合理使用多媒体辅助手段，提高教学效率提出了几点看法。

3·This paper discusses the queries about the calculation of the centrifugal pump′s suck_up distance in the textbook Principles of Chemical Engineering and draws some relevant conclusions.

本文对教材《 化工原理》 在离心泵安装高度计算中存在的问题进行了归纳和讨论，并提出了相应的观点。

4·Mixing phenomna in industrial crystallization, and effects of mixing characteristics on the crystal growth rate were discussed using the principles and methods of chemical reaction engineering.

运用化学反应工程的观点和方法研究了工业结晶过程中流体的混合状态及其对晶体生长速率的影响。

5·Courses include food process engineering, food microbiology, principles of food packaging, chemical reaction engineering, and food quality analysis.

课程包括食品加工工程，食品微生物学，食品包装工程，化学反应工程和食品质量分析。

6·Some affecting factors of the process for viscosity breaking were analysed by the principles of chemical reaction engineering.

运用化学反应工程理论分析了影响减粘裂化过程诸因素。

7·A control system used for microwave heating reaction still of organic chemical engineering is presented. The design principles of hardware, software and control algorithm are described in detail.

介绍一种应用于有机化工的微波加热反应釜的控制系统，详细描述了该系统的软、硬件及控制算法设计原理。