...exclusion of carbon-containing alloys (including steel), a relatively small number of carbon-containing compounds such as metal carbonates and...
二氧化鈦懸浮液的膠體安定性 可由 uv/vis (紫外線/可見光) 光譜儀 吸光度的變化來判斷 在之前已經提及奈米粒子二氧化鈦懸浮液經由吸附實驗製備 以波長320n測量不同時間的吸光度 測量的方式在之前的論文已經描述過 結果由三次測量的的平均求得 誤差不超過4% 穩定懸浮液的吸光度...
把題目打上來還比較有誠意ㄧ點，這樣沒有人會想要幫你解答= = PS 我根本找不到怎麼去那些問題 2012-04-17 19:30:16 補充： 晚上才看到你發這篇... 如果還需要解答，我可以寫給你，但不知道你還需不需要。 需要請來個通知 2012-04-21 22:03:56 補充： 1. 假設van Hoff factor = 1 那...
a) The orange solution might be potassium dichromate solution (or sodium dichromate solution). b) The pale green iron(II) sulphate solution changes to yellowish brown, and the orange potassium dichromate solution changes to green. Therefore, the final solution is...
... longer the time, those predator can not reproduce, so it would reduce in number .Then, those small organism can survie with DDT, same amount of DDT would become less harmful...
Liquid Crystals 液晶其實只是一種固態或是液態的化學品, 只是因為它在某些特定條件下, 會對光線的反射和干涉光的變化形成與固態化合物所形成的晶體相雷同的效應. 所以被稱為液態晶體, 簡稱為液晶.液晶在許多化學藥品供應商處皆可購得.
... added to identify isomers, the "normal" isomer in any number has the smallest mass difference on each carbon, and a, b, or c are added as the ...
You have the power to make a difference. Small changes to your daily routine can add...compact fluorescent light bulb (cfl) 2. Reduce the number of miles you drive by walking, ...
