查询词典 weld joint

Mm. 7.5.3 Requirements for quality of weld joint's surface: a No crack, not fusional, bubble, slag, splash; b Surface of seam of pipeline with design temperature lower than -29℃, stainless steel pipeline and alloy steel pipeline with trend of harden quenching shall be free from undercut.

The surface shall be smooth 7.5.3 焊接接头表面的质量应符合下列要求： 28 SH 3501-2002 a 不得有裂纹，未熔合，气孔，夹渣，飞溅存在； b设计温度低于-29℃的管道，不锈钢和淬硬倾向较大的合金钢管道焊缝表面，不得有咬边现象；其他材质管道焊缝咬边深度不应大于 0.5mm，连续咬边长度不应大于 100mm，且焊缝两侧咬边总长不大于该焊缝全长的 10%； c 焊缝表面不得低于管道表面，焊缝余高Δh 应符合下列要求： 1 100%射线检测焊接接头，其Δh≤1+0.2b1，且不大于 2mm； 2 其余的焊接接头，Δh≤1+0.2b1，且不大于 3mm。

Which are from USA for testing the product's temperature;The inductors of anneal、temper are all used multiturn closed coil,the NDT equipment for inspecting weld joint are multicenter digital robotcized ultrasonic testing technology and magnetic particle equipments,and we use full closed、full automatic annoit machinery with environment protecting,and all our main equipments are controlled by computers,so that we can monitor technologic parameter real time.

公司引进美国MTI公司320BX型摩擦焊机，采用世界领先水平的惯性摩擦焊接方法进行焊接；焊缝热处理设备采用中频热处理，以及采用美国雷泰测温仪进行红外测温；退火、回火感应器采用多匝绕制封闭线圈；焊缝无损检测采用多通道数字自动化复合探伤以及磁粉探伤设备；钻杆表面涂油采用封闭、环保、全自动涂油机等等，保证了电脑监控关键设备、实时监测工艺参数，产品质量稳定可靠，深受客户的欢迎。

In CO2 gas metal arc welding, the difficulty hi seam tracking by pendular arc sensor is how to attain the tolerance signal of weld joint.

在CO_2气体保护焊中，采用摆动电弧传感器进行焊缝跟踪的困难在于如何提取准确的焊缝偏差信号。

The polypropylene CPP film is characterized by excellent appearance, high transparency, shine, high water vapor proofness characteristics, air tightness the film "breathes",damage resistance, excellent heat sealability on devices of "hot rod" type, as this secures high strength of the weld joint as an inner layer of the laminate.

此膜的特点是：外观品质卓越、高度闪亮透明、高度防水防气、高阻隔性能好，抗破损。因为内里复合了高强度的粘结层，采用&加热棒&热封效果良好。

The polypropylene CPP film is characterized by excellent appearance, high transparency, shine, high water vapor proofness characteristics, air tightness (the film "breathes"), and damage resistance, excellent heat sealability on devices of "hot rod" type, as this secures high strength of the weld joint as an inner layer of the laminate.

此膜的特点是：外观品质卓越、高度闪亮透明、高度防水防气、高阻隔性能好，抗破损。因为内里复合了高强度的粘结层，采用&加热棒&热封效果良好。

Before installation,it has been discovered that the boiler water-wall pipes with small diameter and large wall-thickness of ultra-supercritical units in second-phase project for Huaneng Yuhuan Power Plant have comparatively serious unfused weld-joint defects,needing to carry out a large amount of inspection.

华能玉环电厂二期超超临界机组锅炉水冷壁小径厚壁管安装前发现焊缝存在较严重的未熔合缺陷，需进行大量检测。

Painting the edge and the weld joint first by hand, then finishing the whole painting works.

B、在大规模涂漆前，应用手工沿边角接缝等不易涂刷和容易漏涂的部位刷涂一遍。

Based on the construction and weld joint of box-type head frame ,the characteristics of MAG welding and submerged-arc welding are discussed,it is proved that by using these two efficient methods,the welding quality is highly improved,and the efficiency is also raised.

从箱式井架的结构形状和焊缝接头形式出发，针对MAG焊和埋弧焊的特点进行了论述，生产结果证明，通过两种优质、高效方法的运用，使焊接质量得到了保障，生产效率得到很大提高。

Fracture often occurrs in the weld joint of the wire during drawing and twisting.

其生产过程是高碳盘条经7～10道次的连续冷拉拔形变而成。

Fracture often occurrs in the weld joint of the wire during drawing. Drawing fractures morphology were investigated and classified.

由于现代化大生产的连续性，不同卷盘条通常采用电阻对焊的方法连接在一起，在生产过程中盘条电阻对焊区域容易出现拉丝断裂。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。