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- The Deformation of thin wall tube in the process of multitool machining is analyzed by using ANSYS software. 应用有限元软件ANSYS对薄壁筒件多刀切削加工进行了变形分析,并从提高工艺刚度的角度出发,提出了相应的工艺措施。
- This paper studied the cause of bursting of water wall tube bythe methods of chemical and metallographical analysis. 采用化学分析、金相检验及力学性能测定等方法，对水冷壁管爆裂原因进行了分析。
- Esophagus-Stomach-Abdominal Wall Tube Drainage for Delayed Intrathoracic Esophageal Perforation. 晚期中央型肺癌选择支气管动脉介入治疗。
- The tube blast of CO boiler water -cooling wall tube affected seriously the normal safe production. CO锅炉水冷壁管的爆裂严重地影响锅炉的正常安全生产。
- The rectangle thin wall tube of 316 stainless steel and the contortion thin wall tube of 663 copper alloy are fabricated by Laser Rapid Prototyping. 采用激光快速成型技术制备出316L不锈钢薄壁矩形管和663锡青铜扭曲薄壁方管。
- A gas phase mass transfer process was experimentally studied, in which the chlorine and acetone react in a short paralled flow wetted wall tube reactor. 利用短的湿壁管并结合双膜模型研究了氯气与丙酮并流氯化反应过程的传质系数 ,考察了丙酮流量VL、氯气流量 QG及湿壁管长 l对该气液反应传质的影响。
- This paper described the hydrodynamics and heat transfer process of falling film evaporation in a vertical wavy wall tube, mathematical model of heat transfer is theorized. 本文简介波形竖管降膜蒸发流动与传热的过程,通过理论分析建立波形竖管降膜蒸发传热的数学模型。
- During unit 5 starting-up and 168h full load trial operation in a power plant, the boiler water-cooling wall tube burst happened, by comprehensive analysis, finds out the tube existing interlayer is mainly caused of water-cooling wall tube burst. 某发电厂%235机组在整套启动168h满负荷试运行期间,锅炉水冷壁管发生爆破,通过对水冷壁爆破管进行综合分析,指出管子存在夹层和夹杂物是此次爆管的主要原因。
- Cause analysis of the water cooled wall tube burst focused on irrational points of design,excessive thermal loading,changes of coal category,burner defects and deposits in throttle valves. 着重从锅炉设计不合理、热负荷过高、煤种变化、燃烧器的缺陷及节流阀结垢等方面分析了水冷壁爆管的原因,指出必须进行锅炉改造。
- The shutters thumped the wall in the wind. 在风中百叶窗砰砰地碰在墙上。
- Air hole, burnthrough, cooapse and welding crackle occurred in the fixed overhead weld for aluminium and aluminium alloy tubes, above all the small-size thin wall tube. 针对铝及铝合金管,特别是小口径薄壁管固定口仰焊部位易出现气孔、烧穿、塌陷及焊接热裂纹等问题,分析问题存在的原因,从焊接工艺方面入手,提出一套消除气孔及烧穿的操作手法。
- The picture on the wall is crooked. 挂在墙壁上的画是歪的。
- The medieval town was fortified with a high wall and a deep moat. 这座中世纪的城市周围建有城墙和护城河。
- He shored up the wall with a thick balk of wood. 他用一根粗大的木头把墙撑住。
- I can't get this screw to come out of the wall. 我无法把这颗螺丝钉从墙上取出。
- The baby daubed up the wall with his crayon. 小孩用蜡笔把墙上画得斑斑点点。
- Keywords Thin wall tube Cool bending Mandril; 薄壁管;冷弯成型;弯管芯棒;
- There is a map of the world on the wall. 墙上有张世界地图。
- There is an ornament made of shells on the wall. 墙上有一个贝壳做成的装饰品。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
