noble metals 美 英 na.贵金属 网络贵族金属;稀有气体;有气体 英汉 网络释义 na. 1. 贵金属
The meaning of NOBLE METAL is a metal (as gold, silver, or platinum) or alloy relatively superior in resistance to corrosion or oxidation —opposed to base metal.
their speciation and bioavailability for living organisms.The main sources of emission of these metals are chemical,petroleum and electronic industries,car catalytic converters,hospitals and jewellery [8,9,31].Platinum,palladium and rhodium are released from automobile catalysts during vehicle operation in...
metal,metallic element- any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc. atomic number 79,Au,gold- a soft yellow malleable ductile (trivalent and univalent) metallic element; occurs mainly as nuggets in rocks and...
noble metals 青云英语翻译 请在下面的文本框内输入文字,然后点击开始翻译按钮进行翻译,如果您看不到结果,请重新翻译! 翻译结果1翻译结果2翻译结果3翻译结果4翻译结果5 翻译结果1复制译文编辑译文朗读译文返回顶部 贵金属 翻译结果2复制译文编辑译文朗读译文返回顶部...
These noble metals are stable both chemically and physically, and fabrication of a nano-sized porous structure on these metals has been difficult. In this letter, a meso-porous membra ... 展开 关键词: Practical, Experimental/ adsorption capillarity condensation gas sensors membranes mesoporous ...
Are Particulate Noble‐Metal Catalysts Metals, Metal Oxides, or Something In‐Between?doi:10.1002/anie.200805382cluster compoundsheterogeneous catalysispalladiumpolyoxometalatessurface chemistryA good model? Noble‐metal particulate catalysts often require small amounts of oxygen to obtain optimal activity. ...
PCS Hayfield - 《Platinum Metals Review》 被引量: 31发表: 1998年 Development of the Noble Metal / Oxide Coated Titanium Electrode PART II : THE MOVE FROM PLA-IUM TO RUTHENWM OXIDE ELECTROCATfiYSTS By € ? I n thefirst part of this paper, published in the January issue, development wor...
A noble metal composite colloid composed of a plurality of noble metals is constructed to be loaded on a porous oxide support. The noble metals are loaded in particles which are larger than the conventional grains in the atomic state. Th... H Hirata,S Tsuji - US 被引量: 29发表: 2002年...
Optical properties of the metals in the infrared and far infrared. Infrared optical constants collected from the literature are tabulated. The data for the noble metals and Al, Pb, and W can be reasonably fit using the Drude model. It is shown that -epsilon1(omega) = epsilon2(omega) appro...