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作者 fragmentwing 在 PTT [ Chemistry ] 看板的留言(推文), 共24則

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[實驗] 有機實驗長痘痘

[ Chemistry ]10 留言, 推噓總分: +5

作者: ricoricoyan - 發表於 2022/03/16 23:17(3年前)

9^F推fragmentwing: 會不會其實是壓力大?03/17 13:25

[學習] 反應速率常數與接觸面積

[ Chemistry ]7 留言, 推噓總分: +2

作者: yunso - 發表於 2021/12/21 12:25(4年前)

1^F推fragmentwing: 在算平衡常數時固體都是1或是1*活性12/22 19:59

2^F→fragmentwing: 當然實際情況你會在熱力學和冶金看到關於面積的問題12/22 19:59

3^F→fragmentwing: 也確實有用濃度改變為出發點去想的，像是半導體產業12/22 20:02

4^F→fragmentwing: 中二氧化矽在表面的平均厚度對反應速率的關係就屬這12/22 20:02

5^F→fragmentwing: 種12/22 20:02

6^F推fragmentwing: 稍微整理一下，結論是接觸面積的改變帶來的影響，應12/22 20:08

7^F→fragmentwing: 該會以活性大小的變動出現在平衡常數的公式裡12/22 20:08

[學習] 極性互溶和結構的關係

[ Chemistry ]27 留言, 推噓總分: +5

作者: fragmentwing - 發表於 2021/11/11 20:32(4年前)

26^F→fragmentwing: 感謝分享沒有想到混合熵的變化11/19 18:47

[實驗] 光度計測平衡常數原理問題

[ Chemistry ]7 留言, 推噓總分: +1

作者: Briango - 發表於 2021/10/27 02:40(4年前)

3^F推fragmentwing: https://reurl.cc/Gbgy6p11/03 19:52

4^F→fragmentwing: 你不要往平衡去想就是有那個新東西出現而已11/03 19:56

5^F→fragmentwing: 真的要探討這反應中的不平衡狀態11/03 19:59

6^F→fragmentwing: 看論文說最長時間只持續到400皮秒就別深究了吧11/03 20:01

[實驗] 鋁或銅進行焊錫

[ Chemistry ]16 留言, 推噓總分: +4

作者: ifooleru - 發表於 2021/10/26 08:10(4年前)

3^F推fragmentwing: 查了一下銅錫相圖和電烙鐵溫度應該可以看到Cu3Sn出10/29 15:22

4^F→fragmentwing: 現?10/29 15:22

5^F→fragmentwing: 你要獲得足以參考的數據起碼得先研讀錫鋁銅錫一共六10/29 15:22

6^F→fragmentwing: 種組合的相圖（C4取2）、確立穩定的工作溫度和工作10/29 15:22

7^F→fragmentwing: 氣氛，最後還要不知道該上哪找的TTT圖，完成以上前10/29 15:22

8^F→fragmentwing: 置作業後應該能得到勉強能參考的數據吧10/29 15:22

9^F→fragmentwing: （也差不多能寫一篇論文了……）10/29 15:22

10^F推fragmentwing: 不然就是上astm之類的摸摸看有沒有相關資料10/29 15:29

11^F→fragmentwing: 總之我覺得要到「有用」很難光是你用的是電烙鐵溫10/29 15:29

12^F→fragmentwing: 度變化因素就很難控制10/29 15:29

13^F→fragmentwing: 然後理論面的熱傳導和流動模型也是光想就頭痛10/29 15:29

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