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。
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。
These are chemical processes and unit operations which chemical engineers can help with.
这些都是化学过程的单元操作，化学工程师很精通。
Chapter 4 provides further guidance and strategies for scaling down unit operations, including chromatography, chemical modification reactions, ultrafiltration, and microfiltration.
第四章对规模缩小的单元操作，包括色谱，化学改变反应，超滤和微孔过滤提供了进一步的指南和战略。
In this paper analogy has been made between the two unit operations, absorption and heat transfer, in chemical industry.
本文对吸收与传热这两个化工单元操作进行了类比，着重分析两者之间的相似之处和主要差异。
It is of pipe type used for evaporation, heating, condensing, cooling operations, Materials for this unit are optional as per the physical, chemical and corrosive properties.
这是一种管壳式换热器，可用于蒸发、加热、冷凝、冷却等工艺，由介质的物理、化学和腐蚀等性能来选择适宜的材料制作。
Effect of unit operations on physical and chemical parameters and pulp particle size ofcarrot juice was investigated.
研究了加工单元操作对胡萝卜汁理化指标和果肉颗粒大小的影响。
The chemical and allied industries employ a multitude of unit operations in product manufacturing.
化学和联合的工业用产品生产雇用众多机组营运。
The chemical and allied industries employ a multitude of unit operations in product manufacturing.
化学和联合的工业用产品生产雇用众多机组营运。
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