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Re: [理工] [熱力學]-自由膨脹是什麼?

[ Grad-ProbAsk ]1 留言, 推噓總分: 0

作者: Dola1003 - 發表於 2009/11/21 03:27(15年前)

1^F→ntust661:推11/21 06:47

[理工] [熱力學]-自由膨脹是什麼?

[ Grad-ProbAsk ]18 留言, 推噓總分: +6

作者: mulin7746 - 發表於 2009/11/21 02:19(15年前)

1^F推ntust661:膨脹有作功阿!?11/21 02:33

2^F→ntust661:例如理想活塞11/21 02:33

3^F→ntust661:你要加熱(熱傳入系統)，使內部氣體分子獲得更大動能11/21 02:34

4^F→ntust661:當然加入熱，溫度會變高11/21 02:34

5^F推ntust661:以上勿理= =11/21 02:37

6^F→ntust661:定義作功量 ∫ P dV = W11/21 02:38

7^F推ntust661:反正我覺得沒有外界壓力給予的情況下，作功會等於零11/21 02:46

8^F→ntust661:就是內能不變11/21 02:46

9^F推ntust661:若是內能不變， Cv dT = 011/21 02:48

10^F→ntust661:dT = 0 ，溫度不變11/21 02:48

Re: [理工] [工數]-ODE

[ Grad-ProbAsk ]12 留言, 推噓總分: +6

作者: JaLunPa - 發表於 2009/11/21 00:35(15年前)

1^F推ntust661:展開了，但沒有逆運算阿XD11/21 00:38

3^F推ntust661:L(D)放分母啦!11/21 00:46

4^F→ntust661:還有你乘法錯了喔11/21 00:48

6^F→ntust661:會有e^2x e^-2x 可鄉霄11/21 00:48

10^F推ntust661:同乘之後就知道為什麼了= =11/21 18:58

[理工] [工數]-ODE

[ Grad-ProbAsk ]8 留言, 推噓總分: +6

作者: wil0829ly - 發表於 2009/11/20 18:52(15年前)

4^F推ntust661:推薦逆運算11/20 23:41

[理工] [工數]一題ODE解法?

[ Grad-ProbAsk ]7 留言, 推噓總分: +4

作者: david7548 - 發表於 2009/11/20 15:13(15年前)

3^F推ntust661:齊次解法哭哭11/20 15:21

7^F→ntust661:有歧次11/20 18:13

[理工] [工數]-微分形式轉 Laplace

[ Grad-ProbAsk ]6 留言, 推噓總分: +2

作者: ntust661 - 發表於 2009/11/20 05:20(15年前)

6^F→ntust661:我了解了，謝謝11/21 06:47

Re: [理工] [工數]-已知一齊性解，求通解

[ Grad-ProbAsk ]2 留言, 推噓總分: +1

作者: paulgoodke - 發表於 2009/11/20 00:40(15年前)

1^F推ntust661:這樣感覺同除 x 又變成原本的齊性ODE 樣式11/20 00:44

2^F→ntust661:Bessel 感覺好常用 QQ11/20 00:45

Re: [理工] [工數]-微分運算子的算式

[ Grad-ProbAsk ]7 留言, 推噓總分: +3

作者: ntust661 - 發表於 2009/11/19 23:38(15年前)

2^F→ntust661:不會^^11/19 23:42

7^F→ntust661:誰是許卷@@11/21 18:58

[理工] [工數]-微分運算子的算式

[ Grad-ProbAsk ]20 留言, 推噓總分: +15

作者: atled - 發表於 2009/11/19 23:25(15年前)

11^F推ntust661:可以看看我的推倒喔^^11/19 23:39

15^F→ntust661:樓上，只要注意分母有沒有怪怪就好11/19 23:57

17^F推ntust661:什麼是共振攻勢@@?11/20 00:24

[理工] [工數]-微分運算子的算式

[ Grad-ProbAsk ]12 留言, 推噓總分: +4

作者: claus6510 - 發表於 2009/11/19 19:39(15年前)

2^F推ntust661:利用代訂係數得到的規則吧= =11/19 19:59

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