This paper introduce types and mechanism of corrosion of underground metal pipelines and structures and anti-corrosion methods.
本文介绍了地下金属管道和设备的腐蚀类型和机理以及防腐蚀的方法。
The development tends of anti-corrosion technologies for metal pipelines were analyzed.
介绍了金属管道的腐蚀与防腐蚀原理,详细研究了涂层防腐蚀、金属管复合防腐蚀、电化学防腐蚀、磁场防腐蚀等工艺的优缺点。
In order to resolve the germ corrosion of water injection metallic pipelines in oilfield, a high-performance injection water sterilization equipment was designed making use of alternating-electromagnetic-field-based physical sterilization technology.
为了解决油田回注水金属管道中的硫酸盐还原菌等细菌造成的腐蚀问题,利用交变电磁场物理杀菌技术研制了一种高性能的油田回注水杀菌装置,并将该杀菌装置与化学杀菌方法相结合,对油田回注水进行杀菌试验。
Application of technology of metal pipe full-position downward welding in a construction;
金属管道全位置下向焊技术在某工程中的应用
A special solvent free polyurethane coating designed for metal pipes has been developed.
研制了一种专用于金属管道的无溶剂聚氨酯涂料 ,研究了涂料配比对其粘度、流平性、固化速度、附着力、硬度等性能的影响 ,分析了工艺参数如温度、压力对涂层质量的影响。
A simply evaluating method is obtained for contact stress between bimaterials,radial strain and cyclic stress of metal pipe.
本文分析了热固性树脂衬里的金属管道的重要问题：衬里与管道之间的接触应力、径向位移及金属管道的环向应力，导出了易于使用的公式，为管道设计、施工和维护提供了理论依据。
She know why metals is good conductor.
她知道金属是好的导体的原因。
P-channel metal oxide semiconductor
P沟道金属氧化物半导体
pmos transistor
p 沟道金属氧化物半导体晶体管
She knows why the metal is the good conductor.
她知道金属为什么是好的导体。
single channel mos
单沟道金属氧化物半导体
Strengthening and Toughening of the Steel for Metallic Supporting and Protecting Components of Mine Roadways;
煤矿巷道金属支护构件用钢的强韧化
Students' Bridge@, it said.
“学生桥”，金属板上写道。
Yes. iron is one of the metal elements found in the Earth .
知道。 铁是地球上的金属元素之一。
Salt is known to have a very strong corroding effect on metals.
大家知道，盐对金属有很强的腐蚀作用。
Road salt eats into the metal of automobiles.
道路的盐分会腐蚀汽车的金属。
I do not know why acids eat in metals .
我不知道酸腐蚀金属的原因。
The molten metal channels into a belt of troughs
熔化的金属流入了槽管道里。
Code for construction and acceptance of industrial metallic pipeline engineering
工业金属管道工程施工及验收规范
Code for construction and acceptance of chemical metallic piping
化工金属管道工程施工及验收规范
Standard for quality inspection and assessment of industrial metal pipeline engineering
工业金属管道工程质量检验评定标准
Do you know the cause of bad losing metal?
你知道酸腐蚀金属的原因吗？
I do not know why acid corrodes the metal.
我不知道酸为什么腐蚀金属。
Yes. iron is one of the metal elements found in the Earth.
知道。铁是地球上的金属元素之一。