The hydrogen behaviour in welding is one of the important aspects in modern welding research.
焊接中的氢行为是现代焊接研究的重要内容之一。
And the international trends in the welding research of equipments, procedures, materials and weldability of metals are also described.
同时，还分别介绍了焊接设备、焊接工艺、焊接材料及关于金属焊接性研究的世界趋势。
The company is set research and development, production and sales into a professional welding accessories manufacturers.
本公司是集研究开发、生产、销售为一体的专业焊接配件生产厂家。
Steel plate cutting and welding are widely used in industries. How to increase cutting precision and efficiency has been one of the most popular research fields.
钢板热切割与焊接在工业生产中的应用非常广泛，如何提高切割和焊接精度、效率一直是研究的热点领域之一。
Research progresses of laser trimming, laser drilling, laser cleaning, laser flexible routing and laser micro welding applied in the IC fabrication and packaging are given.
介绍了在集成电路制造封装中采用的激光微调、激光打孔、激光清洗、激光柔性布线和激光微焊技术。
The research progresses of welding between duplex stainless steel and carbon steel in domestic and abroad are summarized.
综述了近年来国内外双相不锈钢与碳钢异种金属的焊接研究进展。
By far, research about laser-arc hybrid welding is mostly concentrated on the application and there is still much problem to solve come down to the arc properties and the stability of welding process.
到目前为止，关于激光-电弧复合热源焊接的研究主要集中在应用方面，而涉及到电弧特性及过程稳定性等基础理论，仍有许多问题亟待解决。
The design and research of key technical problems such as load, rigidity, welding and plate truss structure about this bridge are briefly introduced.
针对本桥设计和荷载、刚度、焊接及板桁结构等关键技术问题的研究论证作了简要介绍。
Because prolific information can be got from the welding pool, the research on the sensing and control of the welding pool is one of the important fields in welding.
焊接熔池包含有丰富的信息，熔池传感与控制系统的研究是焊接研究一个重要领域。
So research on the Pulsed MIG welding power source becomes more and more important.
因此对脉冲mig焊接电源的研究具有很大的实际意义。
Because of the complexity of welding process, the research of weld process produce hot and stress through method of experiment is very difficulty.
因为焊接过程的复杂性，所以很难通过实验的方法对焊接过程产热和应力分布进行研究。
Hence, study about high effective welding methods will be one of the hotspots in welding technics research.
因此高效焊接方法的研究将成为今后焊接工艺研究的热点之一。
This paper introduces inverter technology and USES IGBT as power component to research high performance and high efficiency CO2 arc welding power source.
为了研究高性能、高效率的CO_2焊接电源系统，本文引入了逆变技术，并使用IGBT作为功率器件。
During welding bus body, there is always welding deformation, and because of its far - reaching influence on product quality, to which importance is attached in bus industry research.
客车车身焊接变形在客车车身焊接过程中普遍存在，且对其产品质量的影响深远，故为客车行业研究非常重视。
The present research status and development trend of stainless steel welding technology have been summarized in this article.
本文总结了我国不锈钢焊接工艺的研究现状和发展趋势。
Based on the situation of welding thermal conduction and thermo-elastoplasticity research, this paper explores some problems in this field.
本文根据焊接热传导及热弹塑性的研究现状，对如下两个问题进行了探讨。
The high-energy density welding about lightweight alloy is the hotspot of world welding craft research.
轻质合金的高能密度焊接是当今世界焊接工艺研究的热点。
In this paper, the present research on the surface modified the weldability of ceramic materials during brazing and diffusion welding was reviewed.
综述了表面改性在陶瓷钎焊和扩散焊领域应用的研究现状，并展望了表面改性技术在材料焊接领域的应用前景。
This research is of important engineering value to real-time test of resistance spot and seam welding quality.
上述研究成果对于实现点、缝焊质量的实时检测，有重要的工程应用价值。
The research is important for improving the reliability of LED packaging and proposing the method of detecting welding faults during LED packaging.
该研究对提高LED封装的可靠性和提出检测LED焊接缺陷的方法具有重要意义。
So the research presented here is concentrated on digital control of welding inverter, aiming at enhancing control precision and flexibility.
因此，本文针对弧焊逆变电源的精确控制和柔性化，对弧焊逆变电源的数字化控制进行了研究。
Obtaining the dynamic characteristic information of molten pool and intelligent controlling in the welding process are focus of research in welding field.
焊接过程熔池动态特征信息获取与智能控制一直是焊接界研究的前沿课题。
The research status of welding of magnesium alloys by fusion welding and solid - phase joining at home and abroad is summarized.
综述了近年来国内外镁合金在熔焊连接和固相连接两方面的研究现状与进展。
The research advances of copper-base alloys being used for resistance welding electrode are introduced and function characteristics of different electrode are analyzed.
介绍了电阻焊电极用铜合金材料的研究进展，分析了目前各种电阻焊电极用铜合金材料的性能特点；
Which established foundation for the breakthrough and mechanism research on the activity coefficient of the new type of welding gas in the world .
为全世界的新型焊割气在活度值上的突破及机理研究奠定了基础。
At present basic theory and welding criterion of UPW are defective, research on welding mechanism and melt behavior of the welding region is not enough for the difficulty in study.
由于超声波塑料焊接是涉及多学科的交叉学科，研究难度较大，目前超声波塑料焊接的焊接基础理论和工艺规范还比较欠缺，对超声波塑料焊接机理和熔接行为研究不足。
In the research of explosive welding between tubes, it is necessary to evaluate quantitatively the parameters of the moving tube.
在圆管与圆管的爆炸复合研究中，需要对管的动态参数做定量的估计。
Recently, the application of welding numerical simulation technology quicken the research development.
近年来，焊接数值模拟技术的应用加快了研究的进展。
Recently, the application of welding numerical simulation technology quicken the research development.
近年来，焊接数值模拟技术的应用加快了研究的进展。
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