焊接的

The simulation of laser welding temperature field by computer can help understand it, and build the foundation for the simulation of welding stress, and offer essential reference for welding parameter selecting.

利用计算机模拟激光深熔焊的温度场可对进一步的焊接应力模拟提供基础，对焊接工艺的确定提供有意义的参考。

This article expounds the analysis of causes on the deformation of cylindrical flameproof enclosure ,and provides the different welding procedures and measures for the different causes to effectively reduce the deformation.

通过对具有圆筒型结构的隔爆外壳焊接变形的原因分析，阐述了为有效控制变形而采取的不同焊接工艺和措施，从而满足了隔爆外壳的特殊要求。

Base on the weldability tests , the repair welding procedures of weari-resistant cast steel (abrasion-plates) have been made up , The results show that satisfying repair welding quality can be attained with such welding conditions as the low hydrogenous alkalescent welding rod , preheating and slow cooling , strictly maint.

通过对其焊接性能的试验研究，制定了该类铸钢件的补焊工艺：低氢型碱性焊条，预热与缓冷相结合的工艺措施，严格控制层间温度(250～300℃)及焊接工艺规范，可获得满意的修复质量。

The fracture features and interfacial microstructures of explosively welded Pt/Ti and postrolling progress have been studied by TEM, SEM, XRD and EDXA. The explosive welding interfacepossess some inconsecutive new phases. The phases are PtTi, PtTi3,Pt5Ti3 and so on, which havehigh strength. Tensial fracture position is located at the hoe of Pt.

用扫描电镜、能谱、X射线衍射仪对Pt／Ti爆炸焊接及爆后轧制双金属断面形态与界面结构进行的分析表明：爆炸焊接界面上有断续的新生化合物层，此层是由PtTi、PtTi3、Pt5Ti3等化合物组成的混合组织，有很高的结合强度，强制拉断在界面Pt侧。

At the same time, is also the stainless steel industry earlier through ISO9001 (2000) international quality system certification of enterprises, with advanced equipment, scientific management and operation of a very modern concept, products awarded as "China Famous" designation, and the Ministry of Construction in China Building Decoration Association of Architectural Ironmongery identified by the Commission as "project selected products", all products comply with CJ; T 151-2001 "thin-walled stainless steel pipes" GB12771 "fluid steel pipe welded stainless steel" GB; T 18705-2002 "decorative soldering Stainless Steel Pipe ", GB; T19228.2-2003" stainless steel compression-type pipe fittings to connect with thin-walled stainless steel tube "and other standards.

同时，也是不锈钢行业较早通过ISO9001（2000）国际质量体系认证的企业，凭着先进的设备、科学的管理和极具现代化的经营理念，产品荣获《中国名优产品》称号，并被建设部中国建筑装饰协会建筑五金委员会确认为"工程建设选用产品"，所有产品符合CJ；T 151—2001《薄壁不锈钢水管》 GB12771《流体输送用不锈钢焊接钢管》GB；T 18705-2002《装饰用焊接不锈钢管》、GB；T19228.2—2003《不锈钢卡压式管件连接用薄壁不锈钢管》等标准要求。

The positioning of bar axis with spherical surface was introduced as well as the making and fabricating precision control of spherical joint and bar ,and the welding technology to prevent the welding deformation.

介绍了电视塔钢结构球形节点的构造特点，各杆件轴线同圆球面交点的定位，球形节点和杆件的下料、组装精度控制以及为减少或防止焊接变形所采取的焊接工艺。

Our system, shown schematically in Figure 1, will make use of both existing robotic weld hardware and new instrumentation and computational algorithms to enable a significant improvement in the ability to weld Ti.

我们的系统如图1所示，该系统使用现有的机器人焊接硬件、新的装备仪器和计算算法，以便有效地改善钛合金的焊接性能。

This paper presents rigidity separating technique after heat treatment of the bottom of welded steel dynamic tube and indicates the problem of using sclerometer and the advantage of metal material separation for forgings surface rigidity testing.

摘 要：为了检测焊接钢质药筒热处理后的物理性能，保证药筒射击后能顺利退壳，介绍了焊接钢质药筒筒底热处理后的硬度分选技术，指出了采用硬度计所存在的问题和金属材料分选仪在检测锻件表面硬度时的优势。

Patent product multi-function machine tool clamp (patent no.: 1) in 2004 0059684.9 ZL invented the idea is old-fashioned hard alloy welding type carbide cutter knife tools and the proportion and distribution, have become ends of the strip shape carbide cutter blades, improved tungsten carbide weld type can save carbide tools, save blade material three times.

专利产品多功能机夹车刀（专利号ZL：2004 1 0059684.9）发明理念是将老式的硬质合金焊接式车刀硬质合金刀头和刀体的比例与分布重新设计，变成两端均有硬质合金刀头的条状形刀片，改进后的硬质合金焊接式车刀可以节省硬质合金一倍，节省刀体材料三倍。

A large quantity of carbonitride particles remained in CGHAZ after welding thermal cycle, the shape of particles changed from irregular shape to cubic one, the mean particle size increased and all of these particles are rich in Ti.

焊接热循环后，焊接粗晶区中仍保留了较多的粒子，但粒子尺寸显著增大，粒子的形状由母材中的不规则状变为方形，粒子的Ti含量显著提高。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。