Yahoo奇摩 網頁搜尋

  1. tungsten alloy 相關
    廣告
  1. ...density of 7.88 is often quoted for mild steel as well. If you add alloying elements such as tungsten , chrome or manganese to improve the steel, the density will change. So the long answer...

    分類:科學及數學 > 工程學 2010年10月19日

  2. ...usually don't use lead because it is much heavier. They max a alloy with tungsten with lead, you need a good weight to be able to tell the different.

    分類:健康 > 飲食及體能 2010年04月25日

  3. ... alloy based on Al 2560 - 2800 Light alloy based on Mg 1760 - 1870 Magnesium... 7850 Tin 7280 Titanium 4500 Tungsten 19600 Uranium 18900 Vanadium 5494...

  4. ...component, ususally made from carbon films or some alloy wires, that is introduced in a circuit...in winter. When used in a light bulb, the tungsten filament inside the bulb (which is, in fact, a resistance...

  5. ...can produce a great range of material properties. Changes in density, alloying , or heat treatments can alter the physical characteristics of various...

    分類:科學及數學 > 化學 2008年02月03日

  6. ... the most cost-effective alloying material for iron, but various other alloying elements are used such as manganese and tungsten . Carbon and other elements act as a hardening agent, ...

    分類:科學及數學 > 工程學 2007年11月24日

  7. ... Commercially pure titanium and most titanium alloys are readily welded by a number of...most common method of joining titanium is the gas tungsten -arc (GTAW) process and, secondarily, the gas metal-arc...

    分類:科學及數學 > 化學 2007年09月28日

  8. 事實上,我找了很多英文資料,軟鎢金的金不單是指黃金,而是指金屬或合金, 所以軟鎢金的英文有很多說法: 1.soft tungsten gold 2.soft tungsten metal 3.soft tungsten alloy

    分類:科學及數學 > 化學 2007年05月18日

  1. tungsten alloy 相關
    廣告