07%, when the total amount of refractory elements Cr, Mo, W, Nb, and Hf (atomicfraction,%), the content of (Mo+W) and the ratio of Mo/(Mo+W) exceed 11%, 8% and 0.
０７％（质量分数）的铸造镍基高温合金中，当难熔元素Ｃｒ，Ｍｏ，Ｗ，Ｎｂ，Ｈｆ总量超过１１％（原子分数），（Ｗ＋Ｍｏ）超过８％（原子分数），Ｍｏ（原子分数）／（Ｗ＋Ｍｏ）（原子分数）超过０。
In this paper,the vaporization behaviors of refractory elements (Boron,Chromium,Molybdenum and Silicon)in graphite furnace ETV-ICP-AES have been investigated,and a polytetrafluoroethylene slurry was used as chemical modifier to improve the vaporization of the refractory elements.
研究了难熔元素硼、铬、钼和硅在石墨炉电热蒸发进样──ＩＣＰ－ＡＥＳ中的蒸发行为，探讨了以聚四氟乙烯为氟化剂改善难熔元素蒸发的方法。
The mobility of six kinds of refractory elements for dacite weathering profile in Jiaonong, Guangxi were studied.
对广西凭祥叫弄英安岩风化剖面中 6个难熔元素的活动性进行了研究。
Adding proper melting point depressant elements into base metal, the joint has good microstructure and mechanical properties.
结果表明:中间层是9Cr1MoNbV钢管TLP的关键;利用以母材为基体加合适降熔元素制备出的中间层,可使接头获得良好的组织和性能。
In good process, melting point depressant elements(MPD) diffused absolutely, there was no brittle phase formation.
研究表明,等温温度和等温时间对TLP连接接头界面特征影响显著,上述好的工艺下降熔元素扩散比较充分,没有脆性相形成,随着温度升高,接头中心硬度明显下降。
Vaporization Behavior of Niobium, Tantalum, Uranium and Zirconium in Graphite Furnace ETV-ICP-AES Using Polytetrafluoroethylene as Fluorinating Agent
难熔元素铌钽铀锆在电热蒸发-等离子体发射光谱中氟化蒸发行为研究
Determination of Primary and Minor Elements in Manganese Ore by X-Ray Fluorescence Spectrometry and Sampling by Fusion
X荧光熔片法测定锰矿中的主元素和微量元素
Ferroalloy usually have lower melting ranges than do the pure elements and can be incorporated more readily in the molten steel.
铁合金的熔点通常较纯金属元素为低,并能较迅速地与钢水熔合。
refractory compound
难熔［高熔点］化合物
Influence of Recasting Palladium-sliver Alloy on Compositional Stability and Elemental Release into a Corrosion Testing Medium;
重复熔铸对钯银合金元素组成及在腐蚀溶液中元素析出的影响
Effect of Changeable Valence Rare Earth Elements on Activity of Mg in Binary Alloy Melts
变价稀土元素对镁合金熔体中镁元素活度的影响
COMPUTER SIMULATION ON MINOR ELEMENT BEHAVIOUR IN COPPER FLASH SMELTING
铜闪速熔炼中微量元素行为的计算机模拟
EFFECT OF OXYGEN ENRICHMENT UPON BEHAVIORS OF ACCESSORY ELEMENTS AND SAVING ENERGY IN COPPER SMELTING
富氧对铜熔炼中伴生元素行为和能耗的影响
Study on Separation of Metal Elements in Municipal Solid Waste Incineration Fly Ash;
城市垃圾焚烧飞灰金属元素熔融分离研究
A Few Improvements of Sodium Fusion Experiments in Organic Qualitative Elementary Analysis
钠熔法有机元素定性分析实验的改进措施
Influence of Lanthanum and Yttrium on Low Carbon Steel Electrode Deposited Metal
镧、钇元素对低碳钢焊条熔敷金属影响的研究
Application of fluorescent X ray fusion method in multi-element analysis on furnace slag
X射线荧光熔融法在炉渣多元素分析中的应用
Brazing of IC10 superalloy with Ni-based brazing fillers using Hf and Zr as melting-point depressants
Hf与Zr为降熔元素镍基钎料对IC10合金的钎焊
Effect of molybdenum on crack sensibilities of laser cladded NiCrBSi alloy coatings
Mo元素对NiCrBSi合金激光熔覆层开裂敏感性的影响
Valence Bond Structures and Phase Stability of Refractory Metals (W, Mo, Ta, Nb) and Their Binary Alloys;
难熔金属W、Mo、Ta、Nb及其二元合金的价键结构和相稳定性
Experimental study on migration and distribution of elements in the Fe-i binary melt treated with pulsed electric field
脉冲电场处理铁基二元熔体元素迁移和分布的试验研究
Experiments study on migration and distribution of elements in the Fe-i binary system treated with steady magnetic field
稳恒磁场处理铁基二元熔体元素迁移与分布的试验研究
The loss of C,B,Si,Cr and other elements in coatings decreases in the order of plasma,autogenous and faradic spraying.
焊层中的C、B、si、Cr等元素烧损率以等离子堆焊最大,火焰喷焊重熔次之,感应熔焊最小;