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- platinum metal cluster 铂金属簇
- A similar metal cluster is believed to be involved in the oxygen-atom insertion into methane to form methanol by the particulate methane monooxygenase in methanotrophic bacteria. 一个类似的铜簇合物可将氧原子嵌入于甲烷分子形成甲醇分子据信是微粒体甲烷单氧化酵素的活性中心。
- The re lative standard deviations is less than 1%.The silver in metal cluster com pounds have been determined by using the method with satisfactory results. 用本法测定含卤素金属原子簇化合物中银,获得满意的结果。
- Our synthetic strategy is based on multi-nuclear metal cluster as nodes and linear organic ligands as linkers in an attempt to gain highly connected self-penetrating nets. 我们的设计思路是以多核金属-氧簇作为结点，以线性有机配体为连接剂，设法构筑高连接自穿插网络。
- The progress of titrimetric analysis of platinum metals at home and abroad since 1980 has been reviewed. 评述了1980年以来国内外铂族金属滴定分析进展。
- Platinum metals are important stratagic metals,the world has attached more and more importance to it. 铂族金属是重要的战略物资,越来越受到世界各国的重视。
- The solid transition - metal cluster compounds M2B (M= Mo, W) and M2Ni (M= Zr, Hf) with Al2Cu structure type and MGe2 (M = Nb, Ta) with CrSi2 structure type become superconductors under low temperatures. Al_2Cu型和CrSi_2型固相过渡金属原子簇化合物M_2B(M=Mo;W);M_2Ni(M=Zr;Hf)和MGe_2(M=Nb;Ta)在低温下出现超导行为.
- This paper described the determination of chromium in metal cluster compounds by flame atomic absorption spectrometry.The coexisting element interference was eliminated by sodium ion. 报道了利用火焰原子吸收光谱法测定金属原子簇化合物中铬，用钠离子消除共存元素干扰。
- Solvent extraction technique in the refining of platinum metals has many obvious advantages over the traditional precipitation method. 铂族精炼中的溶剂萃取法比传统的沉淀法具有许多优点。
- acetylacetonate platinum metal organic complex 乙酰丙酮铂族金属有机配合物
- In China, it is more prominent, about 86% amount of nickel, 90% amount of platinum metals, 7.3% copper comes from nickel-copper sulfide magmatic deposits. 我国的情况更为突出，镍金属储量近86%25、铂90%25以上、铜约7.;3%25均来源于铜镍硫化物岩浆矿床。
- In this paper,methods for separation and concentration of platinum metals are reviewed,and merit and shortcoming for each method are apprised.38 references are cited. 综述了铂族元素的分离富集方法,评价了各种方法的优、缺点。引文38篇。
- In this paper,the main characteristics of platinum metals and the state quo of applications and their researches and development for broad application are sketched out. 本文概述了铂族金属的主要特性及在各个领域研究应用的状况,综述了铂族金属现代制备加工的主要工艺和手段,同时也提出了铂族金属发展的方向。
- transition metal cluster chalcogenides 过渡金属簇硫族化合物
- transition metal cluster ehaleogenides Ru纳米簇硫族化合物
- Keywords metal cluster;FABMS;degradation; 金属簇合物;FAB质谱;簇解途径;
- Chemical vapor deposition technique(CVD)is available to making highadherent,dense(non-porous)and fine grain platinum metals coatings on the surfaces of refractory metals such as Mo,Re and W et al . 化学气相沉积 (ChemicalVaporDeposition ,CVD)技术可用在高熔点金属如Mo、Re、W等表面制备结合力好的铂族金属涂层。
- Platinum is used to make jewelry. 白金常常用来做珠宝饰物。
- This is a review article to summarize the synergism in transition metal clusters on the basis of the research results of iron-sulfur, iron-molybdennum-sulfur clusters. 以铁硫、钼硫簇合物为例对过渡金属簇合物中的协同效应进行了讨论。
- Sunney Chan's laboratory in the Institute of Chemistry has recently proposed a new oxidation mechanism based on use of metal clusters to harness a “singlet oxene”. 化学所的陈长谦院士，他的实验室最近提出一个新的氧化反应机制，这个机制是利用金属簇合物可以调控一个”单重态氧原子”的形成。
