Development of nanoporous metals prepared by dealloying;
脱合金法制备纳米多孔金属的研究进展
the paper generalized dealloying method for preparing nanoporous gold and its latest development.
文章综述了纳米多孔金的制备方法-脱合金法以及最新进展,介绍了脱合金的原理、纳米多孔金的性能以及将来的应用领
To improve the adhesion of fiber felt to the catalyst and decrease the dosage of the active ingredient in the catalyst, an ordered nanoporous structure film with needle-like morphology on FeCrAl (Fe-20 at% Cr-5 at% Al) fiber felt alloy was fabricated by electrochemical dealloying in 1 mol/L NaOH.
为了改善纤维毡对催化剂的粘结强度,降低催化剂中活性组元的用量,采用电化学脱合金法在FeCrAl纤维毡表面制备了连续均匀的纳米多孔结构膜。
In situ STM observation of the development of dealloying corrosion of QAI-9-2 alloy at an early stage was carried out.
５％ ＮａＣｌ溶液中脱合金腐蚀的早期过程进行了原位观察结合ＳＥＭ，ＥＤＸ分析表明，ＱＡｌ－９－２合金的脱合金腐蚀首先发生在α基体和亚稳β相的界面，并在亚稳β相内继续扩展。
Summary of the standard GB/T 12773-2008 "Valve steel and super alloy bars for internal combustion engines"
GB/T 12773-2008《内燃机气阀用钢及合金棒材》标准综述
Study on the Microstructure and Performance of Austenitic Valve Steeel by Micro-Alloying;
微合金化奥氏体气阀钢的组织和性能研究
2 High pressure gas cylinders are made of steel, aluminium alloys or composite materials. Cylinder valves need be permanently protected with a removable or permanent (open) cap.
高压气瓶是由钢制，铝合金，或复合材料制成的，瓶阀必须用活动的或不活动的防护帽保护。
Design and Develop of Alloy Valve Seat Insert (VSI) in the Engine of Lead-Free Gasoline;
无铅汽油发动机合金排气阀座圈的设计及研制
Standard body/bonnet materials include nine grades of carbon, low alloy and stainless steels.
标准阀体/阀盖材料包括9个等级的碳钢，低合金钢和不锈钢。
Safety Inspection of Petroleum Gas Storage Tanks and Proper Selection of Safety Valves
石油气贮罐的安全检验及安全阀的合理选用
Study on Al-Ti and Al-Ti-Ce Infiltrated Layers on Martensitic Valve Steel
气阀钢表面Al-Ti及Al-Ti-Ce共渗层研究
Medical Gas Cylinders with Post-Type Valves
带有柱型阀门的医用气体钢瓶
Filler rods for gas welding of mild steels and low alloy high tensile steels - Determination of mechanical properties of deposited weld metal
软钢、低合金高强度钢气焊用焊条－－堆焊金属的力学性能的测定
carbon and low-alloy steel vessels
碳钢及低合金钢容器
The Enteprise Can Produce More Than 20kinds Of Steel,Such As 316,304,316l,17-4ph,Wcb And High Nichel Base Alloy.
产品：以及镍基合金等20余个钢种的阀门、管件、五金件、汽车零件等精密铸件。
Standard body/ bonnet materials include nine grades of carbon, low alloy and stainless steels.
标准阀体/盖材料包括9个等级的碳钢，低合金钢和不锈钢。
Welded-in seat is Stellite 6 faced.
焊接连接阀座采用钨铬钴合金6阀座面。
DISSCUSSION ON OPTIMIZATION SCHEME AND INVESTIGATION OF ALLOY USED IN STEELMAKING
安钢炼钢用合金调查研究及优化方案探讨
Study of the Effects of Alloy Elements and the Natures of Steel Matrix In 12Cr1MoV;
12Cr1MoV钢合金元素作用及基体性质的研究
All air tubing on control and actuated valves shall be stainless steel.
所有控制阀及？上的空气管都应为不锈钢。
Study of the Structure and Properties of Coatings Infiltrated Multi-elements on Two Kinds of Valves Steel;
两种气阀钢多元共渗层组织及性能的研究
Microstructure and Properties of the Polynary Coatings Co-diffused on Martensitic Valve Steel
马氏体气阀钢多元共渗层的组织及性能