Evaluation on the uncertainty of measurement for the density of PVC-U pipes by a dipping method;
浸渍法测量PVC-U管材密度的不确定度的评定
Influences of temperature and impregnating time on the dichloromethane impregnating experiments of PVC-U pipes;
温度和浸渍时间对PVC-U管材二氯甲烷浸渍实验的影响
Discussion on some shortages of national standards of PVC-U water supply and drainage pipes and pipe fittings;
PVC-U给排水管材、管件国家标准中相关不足的商榷
Effect of friction on deforming condition during tube expanding process;
管材扩径时摩擦对变形状态的影响
The numerical analysis and experiment on the fracture in tube roll-cutting process;
管材滚压剪切的断口分析及实验研究
Choice of the parameters and main pipe material of 1000 MW unit;
百万千瓦发电机组参数及主要管材的选择
Influence of pipe materials on microbial distribution of biofilms attached to water supply pipes;
管材对给水管附生生物膜微生物分布的影响
The defects raised during piercing of round pipe die without core are analyzed, the factors affecting pipe material piercing quality are analyzed in detail, and specific steps on improving piercing quality are provided.
分析了圆管无芯模冲孔过程出现的缺陷,对影响管材冲孔质量的因素进行了详尽的分析,提出了提高管材冲孔质量的具体措施。
Characteristics of Co-Cr alloy L605 tubing for coronary stents;
冠脉支架用Co-Cr合金L605管材的特性
Study on Numerical Simulation of Extrusion Forming of Mg Alloy AZ31 Tubing;
AZ31镁合金管材挤压成形数值模拟研究
Development of colored PP tubing resin;
PP-R管材着色料的研制
Applications and Characteristics of Plastics Pipes for Hot Water Installations;
热水用塑料管材的性能及应用
Progress in Processing Technologies and Applications of UHMWPE Pipes;
超高分子质量聚乙烯管材加工技术与应用进展
Three HDPE6100M/HMWHDPE copolymers were extruded through the die,and circumferential and axial strengths of pipes were studied respectively.
利用自行研制的先剪切后拉伸的挤管口模,对3种不同配比的HDPE6100M/HMWHDPE共混物挤出管材的周向、轴向强度进行研究,实验中发现少量的HMWHDPE有利于HDPE管材在复合引力场挤出中实现力学性能的双向自增强,预示了少量的HMWHDPE有利于诱导HDPE6100M分子沿应力场方向取向、结晶。
Application of CAE technology in swelling forming process of tubes
CAE技术在管材冲压扩口成形中的应用
The development and innovation in the field of hot strip,cold strip,plate,long products,tubes of China were summarized in this paper.
针对主要的钢材品种,即热轧带钢、中厚板、冷轧带钢、长材、管材等,分别从工艺、装备、产品等几方面总结了中国钢铁轧制技术的总体发展情况和取得的有创新性的进展。
bright-drawing machine for bars, tubes, wire or profile shapes
棒材,管材,线材或型材拉光机
drawing machine for metal bars, tubes, shapes, sections, wire or similar products
金属棒材、管材、型材、轧材、线材或类似产品拉拔机
Pipe Spacer
"管材排列,隔离板"
bar tubing shapes and pipe benders
金属筒材、型材和管材用折弯机
" Poly (methyl methacrylate) cast sheets, rods and tubes"
GB/T7134-1996浇铸型工业有机玻璃板材、棒材和管材
Aluminium tubes used for wickless gravity heat pipes
GB/T9082.1-1988无管芯重力热管铝管材
ceramic conduct (excl. insulating electric conduit tubing)
陶瓷导管（不包括电绝缘导管管材）
polypropylene (pp) pipes for hot and cold water installations
冷、热水用聚丙烯(pp)管材
Brief Analysis of the Surface Bubble Problem in the Production of Phosphorous Copper Tube C12200
由C12200管材生产简析含磷类管材表面起泡问题
THE PVC PIPE TOUGHING AND ASSESSMENT OF HIGH IMPACT PVC PIPE
PVC管材抗冲改性及高抗冲PVC管材的评价方法
The New Selection of the Water-supply Tube for the Green Residences--Sheet Copper Tube
绿色住宅给水管材的新选择——薄壁铜管
Study on Using Newly Pipe Material in City Planning Drainpipe by Comparing;
市政排水管道新型管材应用比较研究
Control system for PVC piping mixture production line;
PVC管材管件配混生产线控制系统
Research and Development of Chlorinated Polyvinyl Chloride Pipes and Fittings
氯化聚氯乙烯管材、管件的研究与开发
The representative enterprises in this field are Orient Tantalum Industry, Shide Construction Material, Qinglong Pipeline, etc.
代表企业有：东方有色金属、德新型建材、龙管材等。
A Wood Information Management System Designed for Wood Museum;
木材博物馆的木材信息管理系统设计
On Management and Purchase of College Teaching Materials;
高校教材管理与教材采购问题之我见
Construction and Management of Teaching Materials in the Credit System;
浅谈学分制下的教材建设与教材管理