系统研究了锰低温钢中锰在奥氏体晶界上的不平衡偏聚。
The non equilibrium segregation of manganese to austenite grain boundaries in Mn cryogenic steels is investigated.
文中重点介绍了镍系低温钢钢板、锻件和焊接材料的化学成分和力学性能。
It emphasizes the chemical compositions and mechanical properties of low temperature nickel steel plates, forgings and welding materials.
通过调整合金成份和改变热处理制度试验，有效地提高了低温钢的低温韧性。
The low temperature toughness of low temperature steel can be improved effectively by means of adjusting alloy ingredients and modifying heat-treatment regime.
对含镍3．5％低温钢手工电焊条配方中稀土钇与硼的作用进行了试验研究。
The investigation of effects of rare-earth yttrium and boron, which are in the 3.5% nickel-containing steel welding electrode on low temperature toughness has been carried out.
扩散氢含量低，低温冲击性能优异，适用于低温钢、中碳钢等压力容器的焊接。
It has low diffusible hydrogen and good low-temperature impact toughness, suitable for welding middle-carbon steel and pressure containers of low-temperature steel.
扩散氢含量低，低温冲击性能优异，适用于低温钢、中碳钢等压力容器的焊接。
Used for welding low-alloy and high strength steel with corresponding strength. It has excellent welding technology and cold crack resistance.
通过对新钢种的工艺评定，编制了合理的工艺规程，使压缩机低温钢焊接机壳获得成功。
By evaluating the technology of new steel type and compiling reasonable process procedure, welding casing made of low temperature steel has been achieved successfully.
计算结果表明，IF钢的延伸率、耐低温钢的无塑性变形温度预报值与实测值相当符合。
The results of computation indicate that the elongation of IF steel, the temperature of zero plastic deformation of low-temperature steel predicted are in agreement with the experimental data.
材料主要有：灰铸铁、球墨铸铁、碳钢、低温钢、不锈钢、合金钢、耐热钢、橡胶、塑料等。
Main raw material: cast iron, ductile iron, carbon steel, low temperature steel, stainless steel, alloy steel, heat-resistant steel, rubber, plastic, and so on.
第二次世界大战期间，钢在低温下的易碎性首次成为人们关注的主要问题。
Steel's fragility at low temperatures first became a major concern during the Second World War.
对于穿行于低温狭窄空间的管路，可用玻璃钢保温材料或胶带包覆或者将预制好的套管套在管子上，并用胶带固定。
Insulate any pipes that run through unheated crawl Spaces. Wrap them with fiberglass insulation and tape or put preformed pipe sleeve insulation along the pipes, then tape the sleeves in place.
检查靠近外墙的所有管路，并在管路和墙体之间包覆玻璃钢保温层或石棉，以确保低温远离管路。
Check any pipes that run close to outside walls. Put some fiberglass insulation or rockwool between the pipe and the wall to help keep the cold away from the pipe.
这种钢主要用于制造石油和天然气管道(包括低温和高压下操作)，船舶，建筑，高压容器等。
This type of steel is mainly used in oil and gas pipelines (including those operating under low temperatures and high pressure), ships, buildings and high-pressure vessels.
其中针状铁素体之间细小的马氏体的存在与数量对钢的抗拉强度和低温冲击韧性起关键作用。
The existence and amount of small isolated martensite between the acicular ferrite play an important role in determining the tensile strength and low temperature impact toughness of the steels.
研究了高锰奥氏体钢的低温断裂机制。
The low temperature fracture mechanism of high manganese austenitic steels is studied.
研究了T10钢在低温盐浴渗铬后直接淬火并回火工艺。
Immediate quenching and tempering process of steel T10 after low temperature salt bath chromizing was studied.
结果表明，8407钢经过冷喷涂铝后再进行低温扩散处理能够实现低温渗铝。
The results show that the process that 8407 steel was treated by cold spraying of Al and followed by low-temperature diffusion treatment can realize low temperature aluminization.
应用有机电解液低温电解及放射性测量方法测定了钢、铸铁和铝各相中的铈含量。
By means of the low temperature electrolysis with organic electrolyte and the radioassay method, the Ce content in various phases of steel, cast iron and aluminum was measured.
低温液体和它们的蒸气能够迅速冷冻人体组织，而且能导致许多常用材料，如碳素钢、橡胶和塑料变脆或者甚至在压力下破裂。
Cryogenic liquids and their vapors can rapidly freeze human tissue and can cause many common materials such as carbon steel, rubber, and plastics to become brittle or even break under stress.
在系统研究结果的基础上，分析总结了低温奥氏体钢中合金元素的综合作用。
On the basis of systematical study, the comprehensive effects of alloying elements in cryogenic austenitic steels were analyzed.
在超低温温度场中，钢组织结构的转变是随机、超显微的，而且是一种逐渐的转变过程。
In the cryogenic temperature field, the change of steel structure is random and ultramicroscopic, and it is also a kind of progressive changing process.
在燃烧的废气处理设施中，这种钢对低温废气引起的盐酸露点腐蚀也有优良的防腐效果。
During the burning exhaust gas disposal unit, this kind of steel also has choiceness anti-corrosions effect for vitriol dew point corrosion resulted from low temperature exhaust gas.
该专家系统主要是针对低温容器用钢而进行的焊接工艺设计，不仅可以进行单一焊接方法的工艺设计，而且可以进行组合焊接方法的工艺设计。
The design of the system is mainly for the steel of low-temperature pressure vessel, which can not only design in welding procedures but also in combined welding means.
研制了一种由阴离子表面活性剂、非离子表面活性剂和多种助剂配制而成的不锈钢抛光用低温高效超声波除蜡清洗剂。
A high efficient ultrasonic wax remover used at low temperature for stainless steel polishing was prepared using a mixture of anionic surfactant, nonionic surfactant and several kinds of AIDS.
针对精炼与非精炼船钢低温冲击值的差异，分析了两种钢的化学成分、夹杂物和显微组织等对冲击值的影响。
For the difference of ship steel low temperature impact value, the effects of chemical composition, inclusion and microstructure of the refined and unrefined steel are analyzed.
结果表明，本钢X70管线钢具有高强度、高抗动态撕裂能力、高低温冲击韧性以及低韧脆转变温度。
The results indicate that the X70 pipeline steel with acicular ferrite microstructure has high strength, high toughness, low transition temperature and high dynamic tear-resistance.
舞钢研制开发的调质钢wh80 Q具有高强度、良好的低温冲击韧性、抗层状撕裂性能、较低的时效敏感性系数。
The quenched and tempered steel WH80Q offers high strength, excellent low temperature impact toughness, lamellar tearing resistance and lower aging sensitivity factor.
舞钢研制开发的调质钢wh80 Q具有高强度、良好的低温冲击韧性、抗层状撕裂性能、较低的时效敏感性系数。
The quenched and tempered steel WH80Q offers high strength, excellent low temperature impact toughness, lamellar tearing resistance and lower aging sensitivity factor.
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