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作者 Entropy1988 在 PTT [ Chemistry ] 看板的留言(推文), 共14則

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[生活] 鍋子煮水為什麼會變黑???

[ Chemistry ]13 留言, 推噓總分: +4

作者: iris0108 - 發表於 2011/09/15 22:33(12年前)

7^F推Entropy1988:瓦斯爐是開猛火嗎? 還是開爐心小火?09/16 23:10

[請益] 蠟燭火燄中的碳粉帶負電？

[ Chemistry ]0 留言, 推噓總分: 0

作者: alenbe - 發表於 2011/01/12 14:59(13年前)

3^F推Entropy1988:也許碳粒傾向於帶某種電性，例如說負電？(如果裝置的01/08 17:42

4^F→Entropy1988:紅色鱷魚夾是正極的話)01/08 17:42

5^F→Entropy1988:燭光會亮似乎很大一部份是因為熱碳粒發光01/08 17:43

8^F→Entropy1988:我沒搞錯的話，韋氏起電器的正負極不太一定？01/08 18:44

13^F→Entropy1988:應該是有殘留電荷沒錯，殘留電荷可以決定啟動後的電極01/08 19:20

14^F→Entropy1988:。要清空的話不只是電容要放乾，圓盤上的金屬箔也要全01/08 19:22

15^F→Entropy1988:部去靜電才行。01/08 19:22

21^F→Entropy1988:直流的。正負極不會隨時間交換。01/08 23:46

36^F→Entropy1988:那不要把燭火放在2個電極之間，放在靠近但是外側的地01/09 20:27

37^F→Entropy1988:方呢？這樣也許可以對瞭解它的機制有幫助，像是有沒有01/09 20:28

38^F→Entropy1988:風吹。01/09 20:28

56^F推Entropy1988:用H2下去燒應該就會很乾淨01/10 18:48

67^F推Entropy1988:有離子風的話也是要看風量大小01/11 17:11

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