process chemical

Chemical production process of polyethylene catalyst is the representative of intermittent chemical production process which requires sequence, continuous and switch value control. The process needs mutual nesting interlock between the state of production equipment and the production step with rigorous production condition.

聚乙烯催化剂的生产属于典型的化工间歇生产过程，既要求顺序控制，也要求连续控制和开关量的控制，而且相关生产设备的状态和生产步骤之间要相互嵌套联锁、生产条件苛刻。

But she expects using the chemical in some kind of industrial process — not simply ＂ millions of worms thrown on top of the plastic ．＂

但她希望通过某种工业流程使用这种化学物质，而不是简单地"把数百万条蠕虫扔在塑料上"

The scientists and engineers in chemical engineering profession are seeking the third mileage of the chemical engineering after the first mileage, unit operations, and the second mileage, transport process and chemical reaction engineering.

目前化工科技界正在呼吁寻求继第一里程单元操作、第二里程传递过程和化学反应工程之后的第三里程。

The scientific methods for the amplification of chemical engineering process development and the principles of green chemistry necessarily followed by chemical engineering process development have been also discussed in this book.

论述了化工过程开发放大的科学方法，化工过程开发必须符合绿色化学的原则。

That's because lye brought chemical burns or even made people blind in the making process.

这是因为碱液在制造过程中会导致化学灼伤，甚至会使人失明。

These lasers usually employ chemical combustion to energize directly the lasing process by various one-way reactions.

这些激光器一般利用化学燃料,通过各种 单向 反应直接驱动激射过程.

Responsible for all the raw materials of cement production process, semi-finished products, finished products and research, compared to like, like other foreign chemical analysis.

负责水泥生产过程中所有原燃材料、半成品、成品及科研、对比样，外来样等的化学分析。

Six courses including transport process principles, chemical engineering thermodynamics, separation engineering, reaction engineering, chemical processes and specialized experiments, were selected to form the core course group in chemical engineering and technology.

选择《传递过程原理》、《化工热力学》、《分离工程》、《反应工程》、《化学工艺学》以及《化工专业实验》六门课程构建了化学工程与工艺核心课程群。

The opportunity for inherent safer chemical process design was analyzed by comparing the inherent safety design with the traditional design method. It is easier to design safer chemical process with low cost during the early stage of chemical process development.

在比较传统设计方法与本质安全化设计方法的基础上，讨论了化工过程开发各阶段实现本质安全的机会，认为在开发初期，实施本质安全化的成本低，难度小；

The research concerns in the preparation process and technical parameter of U_3O_8 powder as well as physical and chemical performance of prepared U_3O_8 powder. The effect of addition of U_3O_8 powder on the quality of UO_2 pellets was analyzed.

本工作研究U3O8粉末制备工艺流程和工艺参数，测试制备出的U3O8粉末的物化性能以及U3O8粉末添加对UO2芯块产品质量的影响。