Because of condenser caused by mediums, leakage occurred in the large-area welding between pipe connect of a C_3H_6 condenser tube sheet.
由于介质原因造成腐蚀，使一台丙烯冷凝器管板上大面积的管口焊缝失效发生泄漏。
So it enlarges the application area of rough set theory and provides a new method for modeling in welding area, and has a large potential of wide application.
该方法拓展了粗糙集理论的应用领域，并为焊接建模提供了一种新方法，具有较大的应用潜力。
The instrument should be calibrated in an area free of vibration or stray magnetic fields such as power lines, generators, or welding equipment.
仪器校准应在无振动区域以及无发电机，焊接设备等干扰磁场的区域进行。
When welding be sure to wear hood and barricade the working area.
烧焊时必须戴上面罩并将工作区域围起来。
Nuclear certified welding consumables will be stored in a dedicated storage area.
经认证的核焊接焊材应存放在指定区域。
Meantime it finds out property change reason of coarse crystal area from welding coarse crystal area structure change and puts forward the direction of toughness.
同时，还从焊接粗晶区组织变化中找出了粗晶区性能变化的原因，并提出了韧化方向。
Area includes both the weld metal and the narrow band of material adjacent to the weld which has been affected by the heat of welding.
测试面积包括焊缝金属和焊缝附近窄小的焊接热影响区。
To study quadratic heat circulation to the effect of welding wide crystal area performance of X80 pipeline steel by adopting thermal simulation technology.
采用热模拟技术研究了二次热循环对X80级管线钢焊接粗晶区性能的影响。
The melting deformation area is dependent on the energy heating the contact surface, the meterial parameters and the deformation is identical with the welding probability.
探明了熔化变形面积与接触加热能量及材料性质参数有关且其变形大小与静熔焊概率大小一致。
The results show that martensite at transition area and the thermal stress in the joint of different material will cause crack in clad steel plate during welding.
结果表明，过渡区马氏体组织的生成，异种钢接头的热应力是产生焊接裂纹的主要原因。
Microstructure and properties of repaired welding area in large aluminum alloy ZL114A castings by MIG (Metal Inertia Gas) welding technology were studied.
研究了ZL114 A合金大型铸件熔化极气体保护焊(MIG)焊补区域的组织与性能。
The hardness tests on welding joints prove this by showing that the hardness reduces in fusion area, and increases slightly in weld zone.
通过对焊接接头的硬度检测，发现熔合区硬度下降，焊缝区略有上升。
SEM showed no pores and other defects and some ductility at laser welding area.
断口扫描电镜观察显示断口有一定的塑性，未发现气孔和焊接缺陷。
The holes in welding area mainly cause the fatigued wire to break.
焊接造成的内部气孔使环形锯丝在该处产生疲劳断裂。
The second kind of these techniques is the ultrasonic impact technique which was used in the welding process in order to reduce the residual tension stress in the welding area of the ship structure.
第二种是超声波冲击技术，用以减少船舶结构中的焊接区域出现的残余应力。
The character of microstructure and micro rigidity of bond area of the ZA alloy in the TIG welding was investigated using TME, SME and other methods.
用光学显微镜、透射电镜、扫描电镜、能谱分析、显微硬度等分析手段，对ZA合金TIG焊接熔合区的显微组织及其形态、显微硬度及成分等进行了研究。
The result show that there was very high welding residual stress on the welding joints and their adjacent area in the gas side.
结果表明，气侧焊缝区与近焊缝区存在很高的焊接残余应力。
Stiff arc, with heat concentrated, easy to fill welding wire, so especially suitable for wire filling welding in bicycle area.
电弧挺度好，热量集中，填丝容易，特别适宜自行车等行业的填丝焊接。
According to physics performance of two melts, this paper determines the explosive welding window, then obtaines the maximium and the minimium value of explosive weight on per area.
根据两种材料的物理性质确定爆炸焊接窗口，从而确定单位面积药量的最大值和最小值。
In case the welding machine cannot be placed close to the welding area, enough cable length for both, the welding cable as well as the earth clamp has to be provided.
如果焊机不能置于靠近焊接区，必须提供足够长度的焊接线以及接地夹。
On a grounded steel table, place the setup in preparation for welding. Clean all visible area of each sub-assembly using a stainless steel brush.
在一个接地钢表，焊接的地方准备安装英寸清洁所有组装可见区域的每个子使用不锈钢刷。
When welding current is fixed, some important information such as length and section area of welding cable, connection of ground wire can be shown by output voltage of instantaneous arc-striking.
在焊接电流确定的条件下，引弧瞬间的焊机输出电压反映了焊接电缆长度、截面积以及地线连接情况等重要信息。
Moreover, due to increasing the welding combination area and effectively transferring a weak stress surface, the connection safety of the guide wire is increased.
并且，由于增加了焊接结合面积并有效转移了薄弱受力面，使导丝连接安全性得到提高。
Million cubic meters of floating roof storage tank area, the design selection of the steel is thinner, easy to produce after welding deformation, flatness control difficult.
十万立方米储罐浮顶面积大，设计选用的钢板较薄，焊接后极易产生变形，平整度控制很难。
This article introduced a typical process of the box-column in steel structure area. It discussed the following aspects such as baiting, cutting, assembling, welding and assembly.
介绍了钢结构中箱型柱的一种典型的制造工艺过程，从下料、切割、拼装、焊接以及装配等方面进行论述。
There are two types of cracks in the area next to weld seam of annular chains for mining during welding process, ie, teared type and punctured type cracks.
本文对矿用圆环链临焊缝部位在焊接过程中产生的裂纹进行了分析。
There are two types of cracks in the area next to weld seam of annular chains for mining during welding process, ie, teared type and punctured type cracks.
本文对矿用圆环链临焊缝部位在焊接过程中产生的裂纹进行了分析。
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