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  1. ...combustion - breathing (divers, patient etc.) 2. nitrogen - refrigement (liquid nitrogen) - food packaging 3. hydrogen - rocket fuels - make ...

    分類:科學及數學 > 化學 2009年09月10日

  2. ...95 deg C oxygen gas O2 become liquified At -195.79 deg C nitrogen gas N2 become liquified only noble gas like helium gas He2 still in gas form...

  3. ..., high-flying aircraft, and spacecraft - liquid oxygen is used as an oxidizer in the fuel systems of large rockets Nitrogen - in a wide variety of ...

    分類:科學及數學 > 化學 2007年10月31日

  4. ...container. MEDICAL Doctors, to freeze skin for wart removal, use dry ice or liquid nitrogen. Many medical offices ship biological specimens in dry ice ...

  5. .... It also used to produce nitric acids or even TNTs. Liquid nitrogen is always used store some medical samples. Oxygen...

    分類:科學及數學 > 化學 2013年07月20日

  6. ...料理大家聽得多, 「分子雪糕」也許是首次吧? 其實「分子雪糕」即是由液化氮氣 (Liquid Nitrogen) 所製作出來的雪糕, 坊間一些高級餐廳也有這種雪糕供應, 簡單點來 ...

  7. ...420 000 J The final state of the mixture is nitorgen gas and liquid water (c) Let T be the final temperature, hence 1 x 200000 + 1040 x (...

  8. ...cryopreservation requires cooling to near -196 °C, the temperature of liquid nitrogen. Cooling whole people to this temperature causes injuries that... ...

    分類:科學及數學 > 生物學 2007年08月09日

  9. ...extreme low working temperature.. At UK. new product. using liquid nitrogen for cable material..new superconductor in cable product.. 3. False. ...

  10. ...the dec-cord out. 5.) If they are compliacated design, you need to use liquid nitrogen to freeze the mine, that would give you around 10 - 15 sec delay ...

    分類:政治及管治 > 軍事 2010年04月17日