工艺过程

This paper discusses the conception on the graph-theory technique and how to de- termine the technologic dimension chain ,and summarize the methods,stepts and points for attention of determining technologic dimension chain with examples.

本文介绍了应用图论的基本知识如何确定工艺过程中的尺寸链，并通过实例总结了确定工艺尺寸链的具体方法、步骤和注意事项。

It is found that the concentration of nitric acid has great effect on reclaiming rate of lead in the processing of nitric acid leaching-lead deposition after investigating the preparation of tribasic lead sulphate from bismuth waste residue by ammonium hydrogen carbonate transformation method.

通过对铋冶炼浸渣采用碳酸氢铵转化法合成三碱式硫酸铅的工艺研究，得出在硝酸浸出—硫酸沉铅工艺过程中影响铅回收率的主要因素为硝酸质量浓度。

There is obvious difference between groundwater and surface water ,and the effluents in winter and in spring also differ greatly. This study shows that SOS / umu test, as an important and useful method for drinking water safety evaluation, can be used for evaluating the removal efficiency of the genotoxicity quickly and accurately.

通过研究表明，本研究所应用的生物毒性测试SOS/Umu能够快速、准确地对水厂工艺过程中致突变物质的处理效果进行评价，能对工艺改进提出指导，是自来水质安全性评价的重要补充手段。

At the first, the paper describes the importance and the present status of the application of wasteless mining in our country, and gives a special discussion for its conception ,research approaches, and some apply pathways for wasteless mining, then makes a brief description of decision-making and optimizing theories and methods applied in the paper's design and appraisal for the wasteless mining.

另外，为合理地控制采切时废料的混入，在采矿方法设计中还引入了衡量采准工作的采切废石混入率的标准与计算方法。采矿工艺过程的优化，主要是要设计选用最合适的采矿方案与最合适的采矿工艺。这是实现无废开采极为重要的一个方面，它直接影响着矿山的开采效益与无废开采效果。

The aluminizing technologies of wave shape steel fences for highways are presented in this paper.

介绍了高速公路波形钢护栏的各种浸铝工艺，其工艺过程包括了预处理、浸铝、后处理和性能评价四个步骤。

A new process for catalytic synthesis of decabromodiphenylethane was developed by brominating diphenylethane with bromine chloride and bromine solution to decrease bromine consumption and simplify post-treatment process.

开发了用氯化溴-溴溶液催化合成溴化二苯乙烷新工艺，以降低溴消耗和简化工艺过程。

EDI is a new technic of desalinating which tied in electrodialysis with ion exchanging.

EDI是一种将电渗析和离子交换相互结合在一起的除盐新工艺，该工艺过程取电渗析和离子交换两者之长。

The technology process and mechanism of etching are also discussed in detail with examples of hollowing board process.

结合镂空板工艺实例，详细介绍了工艺过程，并讨论了取得的效果与蚀刻机理。

The process is discussed in detail with examples of hollowing board process in this paper, and ideal results are obtained.

结合镂空板工艺实例，本文详细论述了工艺过程，取得理想效果。

CBN surface grinding wheels were prepared using low-temperature vitrified bond and their appropriate technique parameters are studied.

本文系统地研究了用低温陶瓷结合剂制作CBN平面磨砂轮的工艺过程，确定了合适的工艺参数。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。