工艺过程

the paper deals with the application of ABB distributed control system fDCS）and Rosemount FF instruments in thetechnological Drocess of carbinol production.

摘 要：本文介绍了ABB的DCS和罗斯蒙特的3051s FF仪表在甲醇生产工艺过程中的应用。

The processing of carburization affects the quality of products in heat treatment directly.

渗碳工艺过程的执行，直接关系到热处理产品的质量。

The process for the preparation of carnallite and magnesium sulfate from refined magnesium slag is introduced.

介绍了从精炼镁渣中制取光卤石和硫酸镁的工艺过程是破碎制粉(粒径 1～ 2mm)、稀H2 SO4 (浓度 2 0 %～ 3 0 %)溶解、采用苦土粉中和过量酸，过滤除杂、中和、冷却、结晶工序。

This paper researched the processes for the conversion from galactose to isomeric tagatose with chemical catalyzer.

研究了化学法生产D-塔格糖的工艺过程。

The design adopts the CENTUM CS1000 Distributed Control System, which was produced by Michael Tien company in Japan Yokogawa. The Distributed Control System has reliable hardware, reliable operating, feature-rich software and good operating characteristics. In the process of energy conservation, control and optimize the consumption will play a positive role.

PX装置异构化单元脱庚烷塔自动控制系统采用了日本横河-北辰公司生产的CENTUM CS1000集散控制系统，集散控制系统，其硬件可靠，运行可靠，软件功能丰富，具有良好的操作特性，并在工艺过程的节能、将耗和优化控制方面起着积极的作用。

A new paper coating laboratory has been built at the Chattanooga, Tennessee headquarters as well as in Shanghai.

使用这套装置可以模拟工艺过程，帮助客户选择适合其涂料配方的产品。

It is a fact that electronic computers may be used as process control units.

事实上，电子计算机可用作工艺过程控制装置。

The antistatic principle,composition and technical process about PVC conveyer belt used in coal mine are introduced.

介绍了煤矿用PVC阻燃输送带的抗静电原理、配方以及工艺过程。

To the production and technics of switchgear and controlgear assemblies, traditional method usually use rounding interface of coppery and aluminous generatrix level off.

在成套电控设备的铜、铝母线制作工艺过程中，传统的做法是用滚压方式进行铜、铝母线接触面压麻校平。

This article mainly aims at introducing the process,the structure and the characteristics of continuous countercurrent extraction .

介绍了连续逆流提取的工艺过程、主体结构及性能特点，并分析了其在实际应用中存在的一些优缺点。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐