英文字典中文字典


英文字典中文字典51ZiDian.com



中文字典辞典   英文字典 a   b   c   d   e   f   g   h   i   j   k   l   m   n   o   p   q   r   s   t   u   v   w   x   y   z       







请输入英文单字，中文词皆可：

rhenium    

安装中文字典英文字典查询工具!


中文字典英文字典工具:
选择颜色:
输入中英文单字

































































英文字典中文字典相关资料:


  • Rhenium - Wikipedia
    Rhenium is a chemical element; it has symbol Re and atomic number 75 It is a silvery-gray, heavy, third-row transition metal in group 7 of the periodic table With an estimated average concentration of 1 part per billion (ppb), rhenium is one of the rarest elements in the Earth's crust
  • Rhenium: Element Properties and Uses - samaterials. com
    Rhenium (Re) is a rare, high-melting-point metal used in jet engines, superalloys, and catalysts Known for its strength and corrosion resistance, it is a byproduct of molybdenum and copper refining
  • Rhenium | Chemical Element, Alloying Agent | Britannica
    rhenium (Re), chemical element, a very rare metal of Group 7 (VIIb) of the periodic table and one of the densest elements Predicted by the Russian chemist Dmitry Ivanovich Mendeleyev (1869) as chemically related to manganese, rhenium was discovered (1925) by the German chemists Ida and Walter Noddack and Otto Carl Berg
  • Rhenium - Element information, properties and uses | Periodic Table
    Rhenium is element 75 in the periodic table and in many ways a rather unusual element It is one of the rarest elements on the Earth with an abundance of something like 1 part per million
  • Rhenium | U. S. Geological Survey - USGS. gov
    Rhenium is a metal that has an extremely high melting point and a heat-stable crystalline structure More than 80 percent of the rhenium consumed in the world is used in high-temperature superalloys, especially those used to make turbine blades for jet aircraft engines
  • Rhenium Definition, Facts, Symbol, Discovery, Properties, Uses
    A rare earth metal, rhenium (pronounced as REE-nee-em) belongs to the family of transition metals denoted by the chemical symbol Re [1] It has 33 isotopes with known half-lives, their mass numbers ranging from 160 to 192
  • Rhenium Element Facts - chemicool. com
    Rhenium is a rare, silvery-white, lustrous, dense metal It resists corrosion and oxidation but slowly tarnishes in moist air Of the elements, only carbon and tungsten have higher melting points and only iridium, osmium, and platinum are more dense
  • Rhenium - Simple English Wikipedia, the free encyclopedia
    Rhenium is a chemical element It has the chemical symbol Re It has the atomic number 75 It is a rare noble metal It is silver white In chemistry it is placed in a group of metal elements called the transition metals The chemistry of rhenium is similar to manganese
  • Superior Rhenium and Rhenium Alloy Products | Rhenium Alloys
    Rhenium is a high-density refractory metal known for its exceptional performance in extreme environments With a melting point of 3,180°C and one of the highest elastic moduli among refractory metals (420 GPa), it delivers outstanding strength and stability at elevated temperatures
  • Rhenium FAQs: Properties, Uses, Rarity Buying Options
    Rhenium is a rare, silvery-grey transition metal known for its extreme resistance to heat and wear It boasts one of the highest melting points of all elements, second only to tungsten, making it indispensable in high-performance alloys





中文字典-英文字典  2005-2009