Knowledge of basic chemical unit operations and hazard analysis methodology.

有良好的化工生产基本知识和危害分析知识.

Significant processing steps can involve a number of unit operations or unit processes.

意义较大的工艺步骤包括一些单元操作或单元工艺.

A process may have many unit operations to obtain the desired product.

一个进程可能会有很多单位行动，以获得所需的产品。

Rigorous flash and mix unit operations are used for point access type streams.

严格闪蒸和混合单元操作用于点访问类型物流.

Principles of Chemical Engineering is a branch of chemical engineering that studies unit operations.

以单元操作为研究对象的一门技术科学.

In this paper, various ways to extract taurine from halobios was summarized, and the unit operations were discussed in the separation process.

文章综述了国内近年来从海洋生物中提取牛磺酸的各种方法，按照提取分离过程分别对各种操作进行了讨论。

By azeotropic rectification the indexes fluctuate of product quality are decreased, the unit operations are optimized, the consumption is lessened.

通过共沸精馏减少产品质量指标波动，优化单元操作，确保更小消耗。

Traditionally they have worked in the mainly empirical sub-macro realm of unit operations, with some analysis of microscopic phenomena and macroscopic plant design.

化学工程师们传统的工作领域是以经验为主的半宏观的单元操作，结合一些微观现象的分析和宏观的工厂设计。