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- THE MEDIUM-RELATED SURFACE OPTICAL PROPERTIES OF NOBLE METAL FILMS? 贵金属薄膜与介质相关的表面光学特性研究?
- depositing of noble metal 贵金属沉积
- Hydrogen and CO have both been used for estimation of noble metal surface areas. ?夂?O都已用来测定贵金属的表面积。
- The hydro-dearomatization activities of noble metal catalysts are better than those of non-noble metal catalysts. 柴油加氢脱芳烃大多采用两段加氢工艺,将贵金属和非贵金属催化剂结合使用可以取得良好的脱芳烃效果。
- Recent progress in improving the sulfur resistance of noble metal aromatic saturation catalysts is reviewed in this paper. 本文着重对改善贵金属芳烃饱和催化剂抗硫性的最新研究进行了综述。
- Besides, core-shell Au/Ag nanoparticles were conveniently synthesized through two-step electroreduction of noble metal ions in the presence of PVPK30. 并用分步电化学还原法合成核壳结构的金银纳米复合粒子。
- He is no longer within the pale of noble society. 他不再是贵族社会的一员了。
- Abstract :Copper deposits of the Fenghuoshan area geologically occur in the western portion of the Sanjiang nonferrous and noble metal mineralization belt, which is well known in China. 摘 要: 风火山地区铜矿床位于我国著名的“三江”有色和贵金属成矿带的西段,以往地质工作程度较低,从而影响了人们对该矿床成矿环境及成因的认识。
- This article reviews the recent progress in the synthesis, properties, and applications of noble metal composite nanoparticles with core-shell, heterostructure, and alloy structure. 本文主要评述了具有核壳、异质结构以及合金结构的贵金属复合纳米粒子的制备、物理与化学性能及应用等方面的研究进展。
- A public container for deposit of outgoing mail. 邮筒为存放外寄信件而设的公用盒箱
- His friend is a man of noble mind. 他的朋友是个思想高尚的人。
- Although the physical and chemistry performance of noble metal is very stable, ornaments made by noble metal would become dinginess and roughness after people weared and kept them. 虽然贵金属的物理化学性能都很稳定,但在日常复杂的佩戴、收藏环境,依旧会受到腐蚀和磨损,使其表面变得暗淡,粗糙。
- A thick deposit of mud lay on the fields when the flood went down. 洪水退後,田野上留下一层厚泥。
- The dosage of noble metals in TWC of CNG vehicle was greatly decreased, and higher purification efficiency for the exhaust was obtained. 天然气汽车三效催化器中贵金属用量大大降低,保持了较高的废气净化效率。
- The necessity and possibility of replacement of noble metals by rare earth elements in the automobile exhaust catalyst control technology were elucidated. 阐述了汽车尾气催化净化工艺中用稀土代替贵金属的必要性和可能性。
- Transition metal nitrides/carbides are sorted as interstitial compounds and known as "platinum-like metal" owing to their similar surface and catalytic properties to those of noble metals platinum and rhodium. 摘要介绍了过渡金属氮化物/碳化物独特的晶体结构和电子性能及其与催化性能的内在联系。
- A deposit of eight pounds clinched the bargain. 8英镑完全办妥了这笔交易。
- I am afraid we have to ask for a deposit of$200. 我们得预收200元定金。
- A deposit of five dollars clinched the bargain. 5美元定金敲定了这笔交易。
- The procedure for uncertainty evaluation to EDXRF measurement results of noble metals was developed to make the results more scientific and provide a technical guarantee to evaluation of products qualification. 研究了 X射线荧光能谱法测定贵金属含量的不确定度来源 ,通过 A类评定和 B类评定方法建立了测量结果不确定度的评定程序 ,使测量结果更具有科学性 ,从而能够规范地、定量地进行产品合格判定