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：

pitchblende    音标拼音: [p'ɪtʃbl,ɛnd]
n. 沥青油矿

沥青油矿

pitchblende
n 1: a mineral consisting of uranium oxide and trace amounts of
radium and thorium and polonium and lead and helium;
uraninite in massive form is called pitchblende which is
the chief uranium ore [synonym: {uraninite}, {pitchblende}]


请选择你想看的字典辞典：
单词字典翻译
pitchblende查看　pitchblende　在百度字典中的解释百度英翻中〔查看〕
pitchblende查看　pitchblende　在Google字典中的解释Google英翻中〔查看〕
pitchblende查看　pitchblende　在Yahoo字典中的解释Yahoo英翻中〔查看〕

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:


  • Uraninite - Wikipedia
    Uraninite, also known as pitchblende, is a radioactive, uranium-rich mineral and ore with a chemical composition that is largely UO 2 but because of oxidation typically contains variable proportions of U 3 O 8
  • Pitchblende | Radioactive, Uranium, Thorium | Britannica
    Pitchblende, amorphous, black, pitchy form of the crystalline uranium oxide mineral uraninite (q v ); it is one of the primary mineral ores of uranium, containing 50–80 percent of that element Three chemical elements were first discovered in pitchblende: uranium by the German chemist Martin
  • What Is Pitchblende? (Uraninite) - ThoughtCo
    Pitchblende, also known by the name uraninite, is a mineral comprised mainly of oxides of the element uranium, UO 2, and UO 3 It is the primary ore of uranium The mineral is black in color, like 'pitch' The term 'blende' came from the German miners who believed it contained many different metals all blended together
  • Uraninite: A radioactive mineral and ore of uranium - Geology. com
    Uraninite, also known as pitchblende, is a radioactive mineral and the most important ore of uranium We have uraninite photos, physical properties, and information about geologic occurrence, alteration products, and the role of uraninite in the discovery of radioactivity
  • Uranium ore - Wikipedia
    The primary uranium ore mineral is uraninite (UO 2) (previously known as pitchblende) A range of other uranium minerals can be found in various deposits These include carnotite, tyuyamunite, torbernite and autunite [6]
  • Pitchblende element Crossword Clue - Wordplays. com
    The Crossword Solver found 30 answers to "Pitchblende element", 7 letters crossword clue The Crossword Solver finds answers to classic crosswords and cryptic crossword puzzles Enter the length or pattern for better results Click the answer to find similar crossword clues
  • Pitchblende - Simple English Wikipedia, the free encyclopedia
    Pitchblende is a radioactive, uranium-rich mineral and ore It has a chemical composition that is largely UO 2, but also contains UO 3 and oxides of lead, thorium, and rare earth elements It is known as pitchblende due to its black color and high density It is also commonly referred to as Uraninite
  • PITCHBLENDE Definition Meaning - Merriam-Webster
    The meaning of PITCHBLENDE is a brown to black mineral that consists of massive uraninite, has a distinctive luster, contains radium, and is the chief ore-mineral source of uranium
  • Pitchblende - Encyclopedia. com
    pitchblende (pĬch´blĕnd´), dark, lustrous, heavy mineral, a source of radium and uranium Largely natural uranium oxides, triuranium octaoxide (U3O8) and uranium dioxide (UO2), it usually contains some lead and variable amounts of thorium and rare-earth elements
  • Uraninite | Properties, Formation, Occurrence - Geology Science
    Discovery of Radioactivity: Uraninite, specifically a sample of pitchblende, played a pivotal role in the discovery of radioactivity In the late 19th century, French physicist Henri Becquerel was studying the properties of uranium compounds when he accidentally discovered that uranium salts exposed photographic plates even without exposure to





中文字典-英文字典  2005-2009