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：

americium    
n. 镅

□

americium
n 1: a radioactive transuranic metallic element; discovered by
bombarding uranium with helium atoms [synonym: {americium},
{Am}, {atomic number 95}]

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:


  • Americium - Wikipedia
    Americium is a relatively soft radioactive metal with a silvery appearance Its most common isotopes are 241 Am and 243 Am In chemical compounds, americium usually assumes the oxidation state +3, especially in solutions
  • Americium | Radioactive, Synthetic, Transuranic | Britannica
    americium (Am), synthetic chemical element (atomic number 95) of the actinoid series of the periodic table
  • Americium: Element Properties and Uses - samaterials. com
    Americium is a man-made radioactive element with unique chemical and physical traits that make it valuable in scientific research and industrial applications
  • Americium - Element information, properties and uses | Periodic Table
    Americium is a silvery, shiny radioactive metal Americium is commonly used in smoke alarms, but has few other uses It has the potential to be used in spacecraft batteries in the future Currently plutonium is used but availability is poor so alternatives are being considered
  • Americium-241 - Wikipedia
    Americium-241 (241Am, Am-241) is an isotope of americium Like all isotopes of americium, it is radioactive, with a half-life of 432 6 years 241 Am is the most common isotope of americium as well as the most prevalent americium isotope in radioactive waste
  • Américium — Wikipédia
    C'est un élément transuranien de la famille des actinides, radioactif et synthétique Le corps simple est un métal dans les conditions normales de température et de pression L’américium est un élément radioactif de la famille des actinides
  • Americium Am 95 | Periodic Table of Elements | Los Alamos National . . .
    Americium is produced by bombarding uranium or plutonium with neutrons in nuclear reactors It also is concentrated in areas that were used for atmospheric nuclear tests and nuclear accident sites, such as Chernobyl
  • Americium | Public Health Statement | ATSDR
    What is americium? Americium (pronounced, am-ə'ris (h)-ē-əm) is a human-made, radioactive element There are no naturally occurring or stable isotopes of americium Pure americium is a silvery metal
  • Radionuclide Basics: Americium-241 - US EPA
    Americium (chemical symbol Am) is a man-made radioactive metal that is solid under normal conditions Americium is produced when plutonium absorbs neutrons in nuclear reactors or during nuclear weapons tests
  • Americium Element | Uses, Facts, Physical Chemical Characteristics
    Americium is found in concentrated form on earth at the sites of nuclear weapons tests and at nuclear incidents sites For research purposes it is produced artificially in small quantities





中文字典-英文字典  2005-2009