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1)  Seal standard
封接规范
2)  welding specification
焊接规范
1.
This paper analyzes the welding technology,welding materials,surface dirt of workpiece and chemical composition of materials,and identifies two causes of cracks:first,heat crack caused by sulfide segregation;second,welding specification is unreasonable.
对其焊接工艺、焊接材料、工件表面污物、材料化学成分等进行了分析;确定了出现裂纹的原因是由两方面引起,一是硫化物偏析引起的热裂纹,二是焊接规范不合理。
2.
The test results show that when the appropriate welding specifications are employed by the shielded metal arc welding and the submerged arc welding,the domestic welding materials meet the practical needs.
试验结果表明,手工焊和埋弧焊采用合适的焊接规范时,选用国产焊材能够满足实际需要。
3)  Welding conditions
焊接规范
1.
Welding current and time are the two most important determinants of joint quality in welding conditions.
分析表明:材料因素中的螺柱及焊接工件的外形是影响焊接质量的重要因素;焊接电流和焊接时间是对接头质量影响最大的焊接规范参数;而焊接过程的不确定因素是产生焊接质量问题的主要原因。
2.
Based on experimental study on the quantitative influences of welding conditions of SAW upon welds shape,the author derives a mathematical formula of this influence and advances an optimum method for calculating welding parameters of Ⅰ—shaped joints of SAW.
本文通过埋弧焊的焊接规范对焊缝形状的定量影响的实验研究,得出了该定量影响的数学关系式,提出了埋弧焊Ⅰ型接头,焊接规范参数的优化计算方法。
4)  welding parameters
焊接规范
5)  grounding standard
接地规范
6)  interface standard
接口规范
1.
This paper presents the architecture of a network intrusion detection system based on common standard, describes the intrusion specification language through the instance, and analyze the inside communication mechanism and procedure interface standard.
文章详细描述了基于通用入侵规范下网络入侵检测系统的体系结构,通过实例说明了入侵描述语言,深 入剖析通用入侵规范下的内部通信机制及其程序接口规范。
补充资料:多层封接法
分子式:
CAS号:

性质:俗称多层封接法。是一种常见的陶瓷-金属封接法。其工艺过程是在陶瓷表面上(欲封接部位)涂上一层金属粉膏(如钼、钼铁、钼锰或钼锰加氧化物等)经通氢炉烧结,使陶瓷体表面金属化,其上再电镀一层镍称为二次金属化。最后用银或银铜焊料连同金属件和金属化后的陶瓷件组装在一起在氢气炉中钎焊,便可获得陶瓷和金属封结件。该法封接强度高,气密性好,可连续大量生产。

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