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  1. ... through the reference (a 「blank」sample solution). This is set to 100% transmittance. I = intensity of the monochromic light passing through the coloured solution. In ideal case, the two test...

    分類:科學及數學 > 化學 2007年01月13日

  2. ...test contain only one variable 2.the two variables are the amount of light and carbon dioxide the plant recieved 2009-12-28 15:04:38 補充: cover part of a leaf...

    分類:科學及數學 > 化學 2009年12月29日

  3. ... when buying from a customer (making the seller's gold appear to be less). Another, lighter set of carob seeds would be used when the merchant wanted to sell to ...

    分類:科學及數學 > 化學 2010年12月11日

  4. 1) I should turn off the gas tap immediately and report the accident to the teacher. 2) To prevent this accident, we should not play with the apparatus. We should check the apparatus once again after we have set them up.

    分類:科學及數學 > 化學 2007年09月17日

  5. ... a positive test. Test E -ether: iodine test: production of a light tan solid in the purple solution is a positive test. So 3 tests...

    分類:科學及數學 > 化學 2008年01月12日

  6. ... (optical emission spectrometry) is good way to start. at high temperature, calcium emits a specific light with wavelength of 393.4nm. measure intensity of such light for the sample and a set of standard solutions. ... EDTA test without...

    分類:科學及數學 > 化學 2010年10月13日

  7. ... of volcanoes. Any volcano located within such an active setting is best considered to be active, even if it has never been observed to erupt within...

    分類:科學及數學 > 化學 2008年02月02日

  8. ...atom: Where λvac is the wavelength of the light emitted in vacuum, RH is the ... integers such that n1 < n2, Setting n1 = 99 and n2 = 100, and with RH = 1.0974 × 107 m...

    分類:科學及數學 > 化學 2007年12月29日

  9. ... to pass while blocking visible light (for remote control or heat sensor ... liquid di- or trichloromethane to dissolve the plastic at the joint which then fuses and sets , forming an almost invisible weld...

    分類:科學及數學 > 化學 2007年10月21日

  10. ... φώτο- (photo-), " light ," and σύνθε&sigma... respiration is the set of the metabolic reactions and...in organisms' cells to convert biochemical energy from nutrients...

    分類:科學及數學 > 化學 2008年12月14日