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1.AC argon arc welding machine with non-consumable tungsten electrode
交流非自耗熔化极氩弧焊机收藏指正
2.Lanthanum-tungsten electrode is the substitution product of thorium-tungsten electrode because of its freedom from radioactivity. Its other advantage is its endurance of high current and low burn spoilage rate.
电极因无放射性而成为较有发展前景的钍电极的替代产品。它的另一优点是耐用电流高而烧损率最小。收藏指正
3.Cerium-tungsten electrode, a new type of non-radiate electrode material invented in China, can not only replace the thorium-tungsten electrode in the case of low direct current and mini-scaled welding but also bears superior features over the latter.
电极是我国研制发明的新型无放射性的电极材料,在低电流直流条件下和小规格焊接可取代钍电极,并且有更优越的性能。收藏指正
4.Development of A Tungsten Electrode Oscillating Controller for All-position Narrow Gap ard Thick-walled Pipe Welding
厚壁管窄间隙全位置焊接摆动极控制系统研制收藏指正
5.The nanostructured W-La_2O_3 electrode materials were fabricated by high energy ball milling and hot pressed sintering in vacuum atmosphere. The influence of content of rare-earth oxide La_2O_3 on the electric properties of nanocrystalline tungsten electrode materials was investigated. The microstructure of cathode tip and La distribution after arc burning were observed through SEM and EDX.
采用高能球磨和真空热压烧结工艺制备出块体纳米晶W La2 O3 电极材料 ,研究了不同La2 O3 含量对纳米晶电极材料电性能的影响 ,同时用扫描电镜和能谱仪测定了燃弧后电极尖端La的分布及显微组织。收藏指正
6.In this paper,that a series of sodium tungsten bronze crystals were prepared by electrolysis of molten salts containing sodium tungstic and tungstic oxide was reported. The contents of sodium in the brones were determined by ion selective electrode analysis. The crystal structure and the lattice parameter were deduced by X-ray powder diffraction.
文中采用熔盐电解法,电解酸钠与三氧化熔盐制备出系列钠青铜晶体,选用离子选择电极分析法快速、简便、可靠地测定了晶体中的钠含量,并通过X-射线粉末衍射确定了晶体的晶型结构及晶格常数a.收藏指正
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