焊缝

After the analysis in Hulunber 301 section, the corrosion occurs mainly in inner corrosion and the outer corrosion is indistinctness. In affusion and heating system, the corrosion gives priority to oxygen corrosion, which the supplement of animalcule corrosion and carbon dioxide corrosion. In life drinking water system, the corrosion in stainless steel jar and pipeline wall usually generate welding line corrosion.

分析发现：贝301区块发生的腐蚀以内腐蚀为主，外腐蚀不明显；注水系统和采暖系统以氧腐蚀为主，微生物腐蚀为辅；还发生了以氢去极化为主的二氧化碳腐蚀；生活饮用水系统不锈钢罐及管线内壁发生的腐蚀主要是焊缝腐蚀。

The results show that heating at1500oC for 10 minutes in vacuum is the best brazing process. In the ceramic side none defects was observed at the interface of ceramic and solder, which leads to uniform brazing seam and excellent airtightness.

本文对单晶Al2O3/Pd/Nb焊接工艺、界面组织结构等进行了研究分析，结果表明在真空状态下，温度为1500℃，保温10分钟得到的焊缝均匀一致，没有任何的孔洞缺陷，气密性检测说明焊接情况良好。

This sensing method has already been used in penetration control of mild steel and low alloy steel.

文中还探讨了这种传感方法在钢及铝合金GMAW焊缝跟踪中的应用。

The analysis and test results show that the concentration of stresses at the end of fillet welds between the tensile anchor plate and the tensile anchor tube is obvious, and the maximum principal tensile stress occurs in the stress concentration region.

结果表明，锚拉板与锚拉筒之间的连接焊缝下端部应力集中明显，最大主拉应力出现在该区域；在设计疲劳荷载作用下，该结构关键构造细节处均未发现疲劳裂纹，结构疲劳性能满足设计要求。

It was the theoretical fundament for the analyses of arc stability and welding quality.

为稳定焊接电弧和提高焊缝成型质量提供了理论支撑。

Apart from the speed of arithmetic that is used to process the image get from CCD and get the value to control torch, it is, too, very important for weld qualification of seam-tracking system based on CCD that how to make the whole systems structure brief and its running efficiency.

除了算法的影响外，在基於视觉信息的高速实时焊缝跟踪系统中，如何把整个系统设计得简炼、紧凑，使之能够高效运行，也是提高整个系统速度的一个重要的因素。

In addition, series load experiments were used to study properties of weld and base metal.

另外采用系列加载试验对焊缝、母材的性能进行了研究。

The most striking feature of this machine is the realization of the space saddle-type welding seam welding control system by using the interpolation arithmetic, which can replace the method of mechanical differential outfit simulated space curve movement, guarantee the stability of the welding line, and make the track of the welding blowpipe more accurate and the mechanical structure simpler.

本机最大特点在于用运动控制方式，利用插补运算方法实现空间马鞍型焊缝的焊接控制系统，保证焊接线速度恒定，取代用机械差动机构模拟实现空间曲线运动方法，使得焊枪运动轨迹更加准确，机械结构变得简单。

We want to increase braze welding qualified higher than 95% by improving product structure and production technology.

目前铝水箱钎焊一次合格率只有80%，主要是主片与水管之间的焊缝泄漏，通过产品结构和生产工艺的改进，希望改进后的一次钎焊合格率达到95%以上。

1 When thickness of the short pitch or long neck flange straight side of Type B doesn't equal to the cylinder thickness connected with it: If cylinder thickness is not larger than 10mm, and thickness difference with short pitch or long neck straight side is larger than 3mm; If cylinder thickness is larger than 10mm, and thickness difference with short pitch or long neck straight side is larger than 30% of the cylinder thickness or 5mm, Type B flange should take the slope value 1: 3, and the long neck flange should be thinned according to Chart 1, or have pile welding on the end of butt welding seam to achieve transition.

6.5.1 乙型法兰的短节厚度或长颈法兰的直边厚度与其相联接的圆筒厚度不等时：若圆筒厚度不大于10mm，且与短节或长颈直边厚度差超过3mm；若圆筒厚度大于10mm，且与短节或长颈直边厚度差大于圆筒厚度的30%或超过5mm时，乙型平焊法兰应按斜率1：3，长颈对焊法兰按图1虚线削薄，或者在对接焊缝的筒体端部按图2堆焊过渡。

John Robbins lives with his family in Santa Cruz, California.

约翰罗宾和家人居住在加利福尼亚州的圣克鲁斯县。

The international background is mainly the economic ties among different nations tented to be widen and deepen at the peace and development times.

国际背景主要是和平与发展时代条件下的世界各国经济贸易联系的日益加深。