a hard brittle blue-grey or blue-black metallic element that is one of the platinum metals; the heaviest metal known 同义词：Os, atomic number 76,
Osmium is a chemical element with the symbol Os and atomic number 76. It is a hard, brittle, bluish-white transition metal in the platinum family and is the densest naturally occurring element, with a density of .
例句与用法
1.
Initial study on the preparation of microencapsulated osmium tetraoxide from gpps 通用聚苯乙烯制备四氧化锇微胶囊的初步研究
2.
Catalytic spectrophotometric determination of osmium by arsenazo - dbc - os - potassium bromate system 溴酸钾催化光度法测定微量锇
3.
Examples of fixatives are formaldehyde , osmium tetroxide , ethanol , and acetic acid 像甲醛、锇酸、酒精及乙酸等都是常用的固定剂。
4.
Application of modified simplex method in ca talytic spectrophotometric determination of osmium 改良单纯形法在催化动力学光度法测定微量锇中的应用
5.
The correction of mass fractionation in the measurement of rhenium and osmium isotope ratios by icp - ms 电感耦合等离子体质谱法测量铼和锇同位素比值的质量分馏校正
6.
Methods for analysis of noble metals in geochemical samples - determination of ruthenium and osmium content - separation by distillation - catalytic spectrophotometric method 地球化学样品中贵金属分析方法蒸馏分离-催化分光光度法测定钌量和锇量
7.
A non - profit association of the leading mining , production and fabrication companies in the global pgms industry . information on platinum , palladium , rhodium , iridium , ruthenium , and osmium -拥有焦化烧结炼铁转炉炼钢电炉炼钢连续轧钢高速线材小型轧材热力发电等主体生产厂。
8.
Chinese producer of platinum group metal salts and compounds , including palladium , platinum , rhodium , iridium , and osmium series . products range from salts and complexes to oxides and formulations on activated carbon -生产销售硅酸钾，硅酸钾钠，硅酸钠，过碳酸钠，偏硅酸钠，碳酸锰等无机化工品，包括公司简介产品介绍等
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