osmium

noun

1. 锇
   a chemical element. Osmium is a hard silver-white metal.

1. Iridium, osmium and ruthenium, in semi-manufactured form.
   铱，锇及钌，半制品形状。
2. It's the only place where you can produce, actually, osmium.
   这也是唯一可以实际产生锇的地方。
3. Just comparing the composition of osmium in one of the planet host stars, we want to understand why there is so much of this element.
   只要比较锇的成份，在行星的宿主恒星中。我们想了解，为什麽有那麽多的这种元素存在。
4. Iridium, osmium and ruthenium, unwrought or in powder form.
   铱，锇及钌，未锻造者或粉状。
5. High-precise Determination of Osmium Isotopic Ratio in the Jinchuan Copper-Nickel Sulfide Ore Samples
   金川铜镍硫化物样品中锇同位素比值的高精度分析
6. When synthetic ammonia, if makes the catalyst with the osmium, may obtain the high conversion rate under not too high temperature.
   合成氨时，如果用锇做催化剂，就可以在不太高的温度下获得较高的转化率。
7. A heavy brittle metallic element of the platinum group; used in alloys; occurs in natural alloys with platinum or osmium.
   一种重而脆的铂属金属元素，用于制合金，与铂或锇形成天然合金。
8. The reaction between CO and the by-product of hydride osmium carbyne to give the osmium vinyl compound was also studied.
   最后研究了CO和不稳定的卡拜副产物的反应，得到CO配位的锇乙烯基化合物。
9. Its principle and some other related aspects are briefly described, including the magnetron sputter coater and the osmium plasma coater.
   本文将主要叙述等离子溅射镀膜的原理与方法，并且简单介绍磁控管溅射仪和锇等离子镀膜仪等。
10. If mixes osmium in the platinum, may make is also hard the sharp scalpel.
    如果在铂里掺进一点锇，就可做成又硬又锋利的手术刀。
11. The purpose of this study is to discuss the photophysical properties of Iridium and Osmium complexes containing isoquinoline family ligands.
    中文摘要本篇论文研究内容主要探讨含异喹啉族配位基的有机铱、锇属错合物之光物性质。
12. In one case, executives discovered a coating advertised as pure gold that masked a complex alloy, which included rare metals such as osmium, iridium, ruthenium and rhodium.
    在一个案例中，业内高管发现一种号称纯金的涂层其实是一种复杂的合金，含有锇、铱、钌、铑等稀有金属。
13. Osmium isotopes in the natural isotopic mixture are separation by gas centrifuge technology.
    对天然锇同位素进行了离心分离。
14. The metal osmium is very stable in the air, the melting point is2700 degrees Celsius, it does not dissolve in the ordinary acid, will not be corroded in the aqua regia.
    金属锇在空气中十分稳定，熔点是2700摄氏度，它不溶于普通的酸，甚至在王水里也不会被腐蚀。
15. But, the powdery osmium, gradually will be oxidized under the normal temperature, and production perosmic anhydride.
    可是，粉末状的锇，在常温下就会逐渐被氧化，并且生成四氧化锇。
16. Rhenium is a fairly dense, soft metal, which is next to osmium on the periodic table of chemical elements.
    铼是一种高密度、低硬度的金属，它在元素周期表中刚好排在锇元素的后面。
17. The Determination of 21 Impurities in Osmium by AES
    原子发射光谱法测定锇中21个杂质元素
18. Synthesis of polymer bonded ruthenium(ⅱ) and osmium(ⅱ) Porphyrins
    高分子键联金属钌（Ⅱ）和锇（Ⅱ）卟啉的合成
19. To solve this problem, several methods have been introduced for the recovery and reuse of the ligands and osmium tetroxide.
    为了解决这一问题，国外有关研究小组探索了多种回收手性配体的方法，近期还报道了一些回收四氧化锇方面的工作。
20. Progress of research on osmium isotope in marine environment
    海洋环境中的锇同位素研究现状
21. Osmium tetroxide is an expensive reagent with great toxicity.
    四氧化锇是一种贵而毒性大的试剂。
22. A staining method with allylamine and Osmium tetroxide for the analysis of crystalline polymer PET and PBT is presented in this paper.
    本文介绍一种用于提高结晶高聚物PET和PBT电子显微图象衬度的丙烯胺四氧化锇染色方法。通过列举的照片，可以直接观察到结晶PET和PBT的两相结构晶区和无定形区。
23. The chiral catalysts employed in the AD reactions are complexes of osmium tetroxide with chiral ligands.
    该反应所用的催化剂是由四氧化锇与手性配体配位形成的。
24. Here we introduced the successful application of catalytic amount of osmium tetroxide in the oxidation of alkenes with good stereoselectivity. This provides a new route for osmium tetroxide in its application in organic synthesis.
    本文介绍催化剂量的四氧化锇在立体选择性高的烯烃氧化反应中的应用，为四氧化锇在有机合成中的应用，开辟了新的途径。
25. Theoretical Study of Dinitrogen Activation by Iron, Ruthenium, and Osmium
    铁、钌、锇对氮活化的理论研究
26. Progress and Prospect of research on osmium isotope
    锇同位素研究现状与展望
27. An osmium bipyridine-containing redox polymer ( POs-EA) film-modified gold electrode based on an electrochemical reduction method was developed.
    用电化学还原方法制备了一种锇联吡啶氧化还原聚合物（POs-EA）膜修饰电极，并研究了其在磷酸缓冲溶液中的电化学行为和对肾上腺素的电催化氧化作用。
28. Fourthly, the Osmium isotope composition of the abyssal peridotites, oceanic basalts, rocks in subduction zones and hydrothermal fluids from the Mid Ocean ridge had been determined.
    对深海橄榄岩、大洋玄武岩、俯冲带岩石和大洋中脊喷出的热液流体的锇同位素组成进行了研究；

noun

1. a hard brittle blue-grey or blue-black metallic element that is one of the platinum metals

   Synonym:    Osatomic number 76