rhenium

英 [ˈriːniəm] 美 [ˈriːniəm]

n.  铼

化学



牛津词典

noun


  1. a chemical element. Rhenium is a rare silver-white metal that exists naturally in the ores of molybdenum and some other metals.

    双语例句

    1. In 2006, Ge turned its attention to rhenium, a rare metal ( but not one of the rare earths) used in engine turbine blades, after a rapid run up in prices.
      2006年,当铼的价格迅速攀升之后,通用电气开始关注这种用于制造涡轮发动机桨叶的稀有金属(但铼不属于稀土资源)。
    2. The chemical composition of the waste solution from which rhenium is I'ecovel'ed, procedures of recovering and some important points for applying the procedures are described.
      叙述了从废液中川收贵重金属铼的废液成分、提取步骤及应用技术要点。
    3. Comprehensive Study on Extraction of Rhenium with Acetone in Re-Os Isotopic Dating
      铼-锇同位素定年法中丙酮萃取铼的系统研究
    4. Combining the isotopic dilution ( ID) method with the on-line fractionation correction method, the rhenium content can be determined accurately at sub-nanogram level using the normal solution n.
      溶液中加入铱元素进行铼同位素的质量分馏校正,在常规的溶液雾化进样条件下,采用同位素稀释法可准确测定纳克级的铼含量。
    5. Determination of rhenium in rhenium-tungsten alloys& Spectrophotometric method using dimethylglyoxime
      GB/T3313-1982钨铼合金中铼的测定丁二酮肟比色法
    6. Abstract: rosources, uses and market situation of rhenium were related.
      文摘:评述了铼的资源、应用和市场状况。
    7. The effectiveness of the anneal temperature on the mechanical properties of micro-filament of tungsten rhenium alloy wire
      退火温度对微细钨铼合金丝机械性能的影响
    8. Study on Extraction of Rhenium with Isoamylol and Its Application in Geological Samples
      地质样品中痕量铼的异戊醇萃取研究
    9. Three synthesis methods, reaction mechanism and applied range of cyclopentadienyltricarbonyl rhenium complexes are summarized.
      综述了三种环戊二烯三羰基铼络合物的合成方法,分别介绍了合成机理和应用范围;
    10. Synthesis and Characterization of Rhenium Tricarbonyl Core Complexes of Bile Acid Derivatives
      胆汁酸衍生物三羰基铼核配合物的合成与表征
    11. Analytical progress on metal rhenium is given based on data in this paper.
      根据资料,总结了金属铼的化学分析进展状况。
    12. Syntheses, properties of luminescent rhenium ( I) complexes with benzimidazole ligands
      苯并咪唑金属铼(I)配合物的合成及发光性质的研究
    13. This paper discussed the rhenium resources, application and market in the world.
      论述了世界铼的资源、应用和近期的市场情况。
    14. Technetium resembles platinum in appearance and manganese and rhenium in chemical behaviour.
      鎝在外观上像铂,而化学行为像锰和铼。
    15. The jump in the price of rhenium – an extremely rare metal that was the last naturally occurring chemical element to be discovered – is the most striking example of the new environment.
      铼价暴涨是新环境下最为显著的例子。这种极其稀有的金属是人类最后发现的一种自然形成的化学元素。
    16. Studies on the Synthesis of Rhenium Sulfide Composite Nanoparticles and Their Surface Modification
      硫化铼复合纳米颗粒的制备及其表面修饰研究
    17. Tungsten rhenium alloy wires sintered tungsten carbide compact bit
      GB/T4184-1984钨铼合金丝镶碳化钨硬合金齿钻头
    18. The feasibility of direct extraction rhenium from waste acid to produce ammonium rhenate has been re-searched, the parameters and conditions of Process has been determined.
      研究了萃取法从污酸中直接提取铼生产铼酸铵的可行性,确定了工艺流程与条件参数。
    19. 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。
    20. Rhenium(ⅶ) catalytic Na_2TeO_4-SnCl_2 oxidation-reduction reaction and its application
      铼(Ⅶ)催化Na2TeO4与SnCl2氧化还原反应及其应用研究
    21. For some such as titanium, rhenium or lithium Beijing is not even the dominant supplier, with Chile, the US, Congo, Australia and Russia being large producers too.
      就拿钛、铼和锂等稀有金属来说,中国甚至不是占据主导地位的供应国,智利、美国、刚果、澳大利亚和俄罗斯等也是主要生产国。
    22. The development of molybdenum rhenium alloys was summarized.
      总结了钼铼合金研究的最新进展。
    23. Research on Rhenium Extraction from Poor Copper Ores and Cu-Ni Ores in Russia
      俄罗斯对贫铜矿和铜镍矿处理过程中回收铼的研究
    24. Adsorption and desorption of rhenium with new anion exchange resin& F1 resin have been studied.
      研究了新型功能性阴离子交换树脂&F1树脂吸附和解吸铼的性能。
    25. A spectrophotometric method for determining rhenium content in Pt Re reforming catalysts is reported in this paper.
      提出了用分光光度法测定重整催化剂中铼含量的方法。
    26. The technology of recovering rhenium from waste liquid containing molybdenum was presented.
      介绍了从含钼废液中萃取回收铼的工艺条件。
    27. An emulsion liquid membrane system has been used for separation enrichment of rhenium.
      用乳状液膜体系对铼进行分离富集。
    28. The adsorptivity of D990 ion exchange resin for platinum and rhenium in acid solution was investigated.
      研究了在酸性介质中D990离子交换树脂吸附铂和铼的性能。

    英英释义

    noun

    1. a rare heavy polyvalent metallic element that resembles manganese chemically and is used in some alloys

        Synonym:    Reatomic number 75