In chemical engineering and related fields, a unit operation is a basic step in a process.
在化学工程及相关领域，一个单位的运作是一个过程基本介入。
The basic studies on catalytic cracking of petroleum fractions made at the Department of Chemical Engineering of East China Petroleum Institute during the last thirty years are reviewed in this paper.
本文回顾了近三十年来华东石油学院炼制系所做的有关石油馏份催化裂化的基础研究工作。
Chemical Engineering, chemical thermodynamics and physical chemistry and other basic courses, and achieved excellent results.
化工原理，化工热力学和物理化学等基础课程，并取得优异的成绩。
Chemical Reaction Engineering is a basic course of Chemical Engineering. It plays an important role in laying down the foundation and in strengthening the students' abilities in Engineering analysis.
化学反应工程是化工类学生的专业基础课，对于培养学生的化学反应工程基础、强化工程分析能力具有十分重要的作用。
The chemical engineering has developed into such a stage that it is integrating with basic disciplines and interacting and crossing with its vicinal branches of science.
当前，化学工程与基础学科结合，与邻近学科相互渗透和交叉，已步入国民经济的各个领域。
The deep bed filtration is one of the basic methods for the heterogeneous separation in chemical engineering, which plays an important role in the petrochemical wastewater treatment.
深层过滤是化工过程非均相分离中最基本的方法之一，在石油化工水处理方面占有很重要的地位。
The basic concept and mechanism of genetic algorithms were introduced, their applications in chemistry and chemical engineering were reviewed.
本文介绍了遗传算法的基本概念、工作原理和步骤，综述了它在化学化工领域的应用。
College chemistry is one of the basic courses for the students of science in polytechnic university, whose specialty is not chemistry and chemical engineering.
大学化学课程是理工科院校非化学化工专业的一门基础课。
Viscosity is an important character of water-soluble polymer solution, meanwhile, it is basic data for chemical engineering, petroleum and fluid engineering.
粘度是液体的主要传递性质之一，是化工、石油和流体工程等领域中所必需的基础数据之一，是水溶性高分子溶液重要的流变性质。
Viscosity is an important character of water-soluble polymer solution, meanwhile, it is basic data for chemical engineering, petroleum and fluid engineering.
粘度是液体的主要传递性质之一，是化工、石油和流体工程等领域中所必需的基础数据之一，是水溶性高分子溶液重要的流变性质。
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