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  1. ...14.unburnt gas 未燃燒的煤氣 15.mixing solutions 混合溶液 16. squeeze 擠壓 17.rubber bulb 橡膠泵 18.contaminate 污染 19.colourless 無色...

    分類:科學及數學 > 化學 2009年10月29日

  2. ... repulsion to the bond pair, the N-H bonds are " squeezed " together, reducing the bond angle. water is another example: two lone...

    分類:科學及數學 > 化學 2011年07月12日

  3. ... the weight of dropper filled with water (Weight = W0) 3. Squeeze out N drops of water (N) 4. Measure the weight of dropper...

    分類:科學及數學 > 化學 2010年01月11日

  4. ...clear observations for powder formed,etc (c)wash bottle -a polyethylene squeeze bottle with a nozzle that mostly containing deionized water -rinse various...

    分類:科學及數學 > 化學 2009年11月09日

  5. .... These small diamonds are made by squeezing graphite under high temperatures and pressures for several days...

    分類:科學及數學 > 化學 2006年11月21日

  6. ... simplest mechanism found is to cut the orange in half and squeeze the orange using a manual juicer. A more complicated approach that...

    分類:科學及數學 > 化學 2007年02月09日

  7. 1. we only need to heat a small object such as test tube or beaker. so we do not need a gas stove. 2. there may be some liquid spilling out during heating. 3. the liquid will go into the rubber tubing. 4. the liquid will go into the rubber tubing. 5. to prevent any contamination. 6. the excess liquid may be...

    分類:科學及數學 > 化學 2008年05月31日