作者查詢 / mpcb
作者 mpcb 在 PTT 全部看板的留言(推文), 共5525則
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11F推:我也不同意火是電漿態的一種 火是一種很粗略的概念140.115.34.114 08/07
12F→:與其硬要將其分態 不過就說它是一種現象140.115.34.114 08/07
13F→:一種在劇烈氧化下的現象 它並不一定要跟物質有關係140.115.34.114 08/07
14F推:至於蠟蠋是否有達到1400℃ 我只確定蠟油在約300℃140.115.34.114 08/07
15F→:附近就已氣化可燃燒 而焰的溫度查到的範圍還滿大的140.115.34.114 08/07
16F→:舉個例子,一群氣體分子,所含溫度低於遊離溫度140.115.34.114 08/07
17F→:但是因為氣體分子的轉動、振動,還是可以發出電磁波140.115.34.114 08/07
18F→:而這些電磁波又可以視為低溫的光子 這樣算不算火?140.115.34.114 08/07
19F→:同時具備熱能、及光,似乎符合大部份火焰的定義140.115.34.114 08/07
20F推:如果要限定光子能量在紅外/可見光波段,那鎢在達到140.115.34.114 08/07
21F→:熔點(~3.4k)前的黑體輻射就已足夠,但它還是非遊離140.115.34.114 08/07
22F→:態。只有由氧化過程中產生熱與光的這個現象才能算是140.115.34.114 08/07
23F→:電漿態的火焰 (而且電漿態是在形容那些離子而非火)140.115.34.114 08/07
2F推:影子不佔空間140.115.34.114 08/03
10F推: 還真是"無心插柳柳橙汁"~~ 推歪罰劇本140.115.34.114 08/04
4F→:忘了加上一點 在下面的湖上的雲是正常的(可見絲狀結140.115.34.114 08/04
5F→:構) 因此這個東西一定比雲接近鏡頭140.115.34.114 08/04
7F→:更正:這個地區的日期我所寫的是錯誤的140.115.34.114 08/19
2F→:傳說中 名片檔都不是亂放的…140.115.34.114 08/02
1F推:請偉忠哥先看本板277篇 XD140.115.34.114 08/02
4F推:數目會跑 [演員] 王耀慶 vs 王偉忠 這篇...140.115.34.114 08/02
1F推:推一下學姐… (ip有換人嗎?)140.115.34.114 08/02
8F推:跟做考古題是相同的道理140.115.34.114 08/01
10F推:XD140.115.34.114 08/02
1F推:08/18/1959 的確有場公民投票140.115.34.114 07/30
2F→:公投選項是 成為美國的一州 or 繼續準州地位140.115.34.114 07/30
3F→:http://0rz.net/500xt http://0rz.net/120vg140.115.34.114 07/30