英文字典中文字典Word104.com



中文字典辭典   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   







請輸入英文單字,中文詞皆可:

請選擇你想看的字典辭典:
單詞字典翻譯
Bunsen查看 Bunsen 在Google字典中的解釋Google英翻中〔查看〕
Bunsen查看 Bunsen 在Yahoo字典中的解釋Yahoo英翻中〔查看〕





安裝中文字典英文字典查詢工具!


中文字典英文字典工具:
選擇顏色:
輸入中英文單字

































































英文字典中文字典相關資料:
  • Robert Bunsen - Wikipedia
    The Bunsen–Kirchhoff Award for spectroscopy is named after Bunsen and Kirchhoff Bunsen also developed several gas-analytical methods, was a pioneer in photochemistry, and did early work in the field of organic arsenic chemistry
  • Robert Bunsen - Biography, Facts and Pictures - Famous Scientists
    Bunsen combined his zinc-carbon cells into large batteries, which he used to isolate metals from their ores He was the first person to produce large scale samples of pure magnesium metal
  • Robert Bunsen | Inventor, Physicist, Spectroscopy | Britannica
    Named for Robert Bunsen, the German chemist who introduced it in 1855 (from a design by Peter Desdega, who likely modified an earlier design by Michael Faraday), the Bunsen burner was the forerunner of the gas-stove burner and the gas furnace
  • Robert Bunsen and Gustav Kirchhoff - Science History Institute
    Bunsen’s most important work was in developing several techniques used in separating, identifying, and measuring various chemical substances He also made a number of improvements in chemical batteries for use in isolating quantities of pure metals—including one known as the Bunsen battery
  • Robert Wilhelm Bunsen - Michigan State University
    He developed methods of gas analysis, iodimetry, spectral analysis and flame tests Instruments he invented include the ice calorimeter, carbon zinc battery, filter pump, Bunsen valve (slit in a rubber tube), grease spot photometer and, of course, the gas burner
  • Robert Wilhelm Bunsen - National MagLab
    He also was the inventor of what has come to be known as the Bunsen cell (a carbon-zinc electric cell) and the grease-spot photometer, which he developed in order to quantify the amount of light produced by the cell
  • Robert Wilhelm Bunsen - Corrosion Doctors
    Bunsen devised a sensitive ice calorimeter that measured the volume rather than the mass of the ice melted This allowed him to measure the metals' specific heat to find their true atomic weights
  • Bunsen burner - Wikipedia
    The Bunsen Desaga design generated a hot, sootless, non-luminous flame by mixing the gas with air in a controlled fashion before combustion Desaga created adjustable slits for air at the bottom of the cylindrical burner, with the flame issuing at the top
  • Scientist of the Day - Robert Bunsen, German Chemist
    Robert Bunsen, a German chemist, died Aug 16, 1899, at age 88 Bunsen taught at several German universities, such as those in Göttingen, Kassel, Marburg, and Breslau, before accepting a professorship at the Univefsity of Heidelberg in 1853, where he remained for the next 36 years





中文字典-英文字典  2005-2009

|中文姓名英譯,姓名翻譯 |简体中文英文字典