钢化

Based on present experimental formulae to calculate martensite starting temperature Ms of various steel grades, with analysis on the effect of alloying elements on Ms of steel, the experiential formula Ms = 550-330C-35Mn-17Ni-12Cr-21Mo-10Cu-5W-10Si-0Ti+10Co+30Al for maraging stainless steel is given in this paper.

本文依据马氏体时效不锈钢的化学成分及实测Ms温度，利用现有的Ms温度计算公式进行分析计算，提出新的马氏体时效不锈钢的Ms温度计算公式。1 现有Ms温度经验计算公式的分析影响钢的Ms点的因素很多，如化学成分、淬火冷却速度、奥氏体化条件、形变等[2 ] 。

Determination of trace elements in steel, nickel-base alloy and zircaloy using time of flight inductively coupled plasma mass spectrometry

本文依据工程实践经验，介绍了镍基合金、石墨、钢衬聚四氟乙烯三种材料的应用防腐情况、使用条件，对于氟化选材有指导意义。

ABSTRACT Appling the numerical model and control theory to the state identification of carbon migration in dissimilar metal weldments , its law and quantitative calculation were researched. Based on analysising of metallurgical and dynamics properties of DMWs, the influences of welding procedure's factors on their high-temperature properties were studied in this dissertation. The following are the main contents.

本文将数值化建模和控制理论引入到异种钢焊接接头碳扩散迁移状态辨识，对碳的扩散迁移的规律及定量计算进行了研究，在对异种接头冶金性能和力学性能进行分析的基础上，对焊接工艺因素对接头性能的影响进行了研究，主要内容如下： 1。

Lead bath quenching; lead hardening; lead quenching; patenting; bath patenting

名词 n.2。钢材或钢件在加热奥氏体化后，在熔融铅浴中冷却。

The company sells aluminum alloy, steel, copper and aluminum compound, aluminum compound radiator elegant appearance of novel, surface treatment by phosphating using special plastic electrostatic spraying, spraying process is not rigorous to ensure that the spray does not blast off from, the Company Xinjin anti-corrosion treatment equipment within the vacuum will be filling three anti-corrosion materials, this technology to further enhance adhesion of anti-corrosion materials, eliminating the dead-end coating, the coating process to prevent the bubble wall formation enhances the adhesion within the anti-corrosion, greatly extended the radiator life.

本公司销售的铝合金，钢质、铜铝复合、钢铝复合散热器外观新颖雅致，表面经磷化处理采用专用塑料静电喷涂，喷涂工艺严谨确保喷涂不脱落不爆起，本公司新进内防腐真空处理设备将防腐材料三次灌装，此工艺进一步提高防腐材料的附着力，消除了涂装死角，防止了涂装过程中管壁气泡的形成，增强了内防腐的附着力，大大延长了散热器的使用寿命。

The effect of addition rare-earth metal,Ca and Mg elements on the microstructure,toughness of and the formation of intragranular acicular ferrite in hot affect zone of large heat-input welded low alloy non quenched-tempered steel plate was investigated.

研究了低合金高强度非调质中厚板钢中添加稀土和Ca、Mg微量元素对大线高能焊接热影响区显微组织微细化和晶内针状铁素体形成的影响。

The principles of dissolution precipitation of second phase particles and autenite grain coarsening were studied and the solubility product of NbC in austenite as function of temperature was evaluated.

经试验确定钢的晶粒粗化温度为 110 0℃，t GC与第二相粒子的全固溶温度之间存在一定的线性关

The principles of dissolution precipitation of second phase particles and autenite grain coarsening were studied and the solubility product of NbC in austenite as function of temperature was evaluated.

研究了含铌 16 Mn钢奥氏体化过程中第二相粒子的固溶析出及阻止晶粒长大的规律，并给出了奥氏体中的 Nb C 固溶度积与温度的函数关系。

In the recent years, our company speeds up the civilizing process of emergency bridge, forming five series of civilian emergency bridges including pontoon, suspension bridge, cableway bridge, combined working ship, package type railway steel bridge and has achieved comprehensive achievements by fully utilizing the emergency bridges characteristics of "high mechanization, rapid erecting speed, flexible length and width per requirements, superior interchange performance strong applicability".

近年来，我们充分利用应急桥&机械化程度高，架桥速度快，能长能短，能宽能窄，互换性好，适用性强&的特点，加快了应急桥民用化进程，形成了浮桥、吊桥、索道桥、组合式工程船、装配式公路钢桥五大民用应急桥系列，并创造了不俗的业绩。

The alloying layer was formed on the saw blade tooth of 20 steel by ion penetrating W and Mo.

5mm的板状源极，利用双层辉光离子渗金属技术，在以20钢为基材的手用锯条齿部表面，渗入W、Mo元素形成合金化层。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了