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Re: dynamics,kinetics,mechanics

[ Physics ]8 留言, 推噓總分: +4

作者: ostracize - 發表於 2021/01/29 13:19(3年前)

2^F推harry901: 2003年的文居然被回01/29 19:45

[問題] 量測器材問題

[ Physics ]81 留言, 推噓總分: +14

作者: rockonpizza3 - 發表於 2019/09/13 18:53(4年前)

7^F推harry901: 在虎克那個時代是把物品放大去算實際長度09/14 22:01

8^F→harry901: 所以顯微鏡底下看到的長度除以放大倍率就是真實長度09/14 22:01

9^F→harry901: 這算是間接觀測的技術還沒有直接測量都是這樣推算09/14 22:02

Fw: [閒聊] EHT團隊已將論文和觀測數據公開

[ Physics ]37 留言, 推噓總分: +23

作者: jackliao1990 - 發表於 2019/04/10 22:13(5年前)

12^F推harry901: 每一篇都很長而且分工精細拆開來很好啊04/11 12:00

[問題] 電子煙是怎麼產生水蒸氣的？

[ Physics ]34 留言, 推噓總分: +3

作者: harry901 - 發表於 2017/10/15 17:29(6年前)

2^F→harry901: 是水蒸氣吸起來根本像熨斗滿奇妙的只是機制是個謎10/16 16:25

4^F→harry901: 不是那是純甘油10/16 16:39

5^F→harry901: 他是把空氣中的水分變成水蒸氣加甘油等霧化10/16 16:40

6^F→harry901: 只是我想不通水蒸氣霧化的原理10/16 16:40

7^F→harry901: 他是PG+VG的混合溶液剛又有想到這部分會有化學變化嗎10/16 16:46

8^F→harry901: 阿我有查到甘油的特性吸水性很強10/16 16:48

9^F→harry901: 所以會不會是甘油霧化之後吸收空氣中的水分這樣10/16 16:49

11^F→harry901: 嗯嗯我之前有查到上面那個農場文不過並沒有說明水蒸氣10/16 17:14

12^F→harry901: 形成的機制10/16 17:15

13^F→harry901: 不過我剛剛查到甘油的特性應該就是利用吸水性強的性質10/16 17:15

14^F→harry901: 來達到水蒸氣凝結10/16 17:16

18^F→harry901: 感恩10/16 18:34

21^F→harry901: 如果從鼻子吐氣鼻子會滴水喔XDDDD10/18 21:19

22^F→harry901: 根據前推文氣溶膠查了之後是有含普通的雲霧等10/18 21:20

23^F→harry901: 是一種型態蠻有趣的之前都沒聽過10/18 21:21

27^F→harry901: 我用的也是一半有調節氣孔如果把氣孔都關閉煙霧量會10/19 14:06

28^F→harry901: 大減10/19 14:06

29^F→harry901: 如果是下雨天濕度高煙霧量比例也會明顯變高10/19 14:07

30^F→harry901: 所以是有水蒸氣的10/19 14:08

31^F→harry901: 不過有些煙油裡面有含水分也可能造成霧化差異10/19 14:16

32^F→harry901: 所以也可能霧化的成分中甘油與水蒸氣佔有一定比例10/19 14:19

[問題] 如何證明自己有能力當研究助理？

[ Physics ]121 留言, 推噓總分: +10

作者: kylinweapon - 發表於 2017/08/18 00:58(6年前)

1^F推harry901: 如果要認真回答的話拿個碩士只是研究能力的基礎08/18 01:44

2^F→harry901: 學士的話沒什麼研究能力制式化的教育各國都是如此08/18 01:45

3^F→harry901: 發現未知的事物基礎往往需要大量背景基礎大學教你08/18 01:45

4^F→harry901: 的就是背景基礎但碩士畢業只能告訴你發現問題的基礎08/18 01:46

5^F→harry901: 解決問題的話博士還不一定能解決發現問題/解決問題08/18 01:46

6^F→harry901: 都是碩博士需要的基本功所以無法證明08/18 01:46

[問題] 物理上的熱力學安全限制？

[ Physics ]10 留言, 推噓總分: +4

作者: dharma - 發表於 2017/07/25 23:11(7年前)

1^F推harry901: 物理上==>工程上07/25 23:24

[問題] 關於層流

[ Physics ]8 留言, 推噓總分: +3

作者: bg784533 - 發表於 2017/07/14 13:34(7年前)

1^F推harry901: 都層流了當然不會07/14 14:52

[問題] 熱力學

[ Physics ]6 留言, 推噓總分: +1

作者: sweep96540 - 發表於 2017/06/29 14:32(7年前)

5^F推harry901: C是熱一很明顯 B是Clausius hyp 是熱二的另一種表述06/29 15:44

Re: [閒聊] 千禧年七大數學問題－納維斯托克斯

[ Physics ]46 留言, 推噓總分: +8

作者: Landau - 發表於 2017/06/24 03:08(7年前)

1^F推harry901: 推推我也問過教授這問題他也是這樣說06/24 03:09

2^F→harry901: 人類真的還沒完全瞭解紊流真得˙06/24 03:10

Re: [問題] 請教鳳山106年

[ Physics ]19 留言, 推噓總分: +6

作者: harry901 - 發表於 2017/06/21 00:40(7年前)

4^F→harry901: 如果繩張力都克服不了動摩擦那最大靜摩擦就不用考慮了06/21 22:56

6^F→harry901: 咦我是不是畫反了等等喔我想一下06/21 22:58

7^F→harry901: 那個三樓提的確實怪怪的我檢查一下06/21 22:58

10^F→harry901: 不會動06/21 23:40

12^F→harry901: F是下面那個的摩擦力06/21 23:43

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