綜合回應 - 咖啡討論
By Andy
at 2010-07-24T01:08
at 2010-07-24T01:08
Table of Contents
: 推 hsubonbon:exp的積分的是"空間分佈" 濃度差是擴散的驅動力 07/24 00:34
: → hsubonbon:空間量一直都是濃度帶著 不是exp exp是"分佈" 07/24 00:36
: → hsubonbon:阿哈!我知道你哪裡搞混了!我的錯~空間中總量不等於質量~ 07/24 00:37
: → hsubonbon:這樣你知道擴散方程的意義了?它處理的是濃度的分佈 07/24 00:38
: → hsubonbon:溶解行為(高濃度到低濃度)是擴散! 當然得用擴散來處理! 07/24 00:40
: → hsubonbon:熱萃取是利用增加分子的動能的方式來加速溶解(擴散) 07/24 00:42
: → hsubonbon:咖啡粉裡的溶質(固,液,氣)濃度高於水則為熱力學驅動力 07/24 00:44
: → hsubonbon:積出來的就是單位體積內所有的溶(擴散)出來的物質 07/24 00:45
響應版主阿冷的建言,以文章回應,
我重新整理我的疑問,
依據原po的意思,是在粉餅的空間,將濃度函數對空間積分,
請問這樣積出來的是甚麼東西呢?
如果濃度函數是粉餅內可溶物質的濃度分布,
這樣積分出來的結果應該就是所有可溶物質的質量阿~
為何會變成擴散出來的物質呢?
感恩~
--
: → hsubonbon:空間量一直都是濃度帶著 不是exp exp是"分佈" 07/24 00:36
: → hsubonbon:阿哈!我知道你哪裡搞混了!我的錯~空間中總量不等於質量~ 07/24 00:37
: → hsubonbon:這樣你知道擴散方程的意義了?它處理的是濃度的分佈 07/24 00:38
: → hsubonbon:溶解行為(高濃度到低濃度)是擴散! 當然得用擴散來處理! 07/24 00:40
: → hsubonbon:熱萃取是利用增加分子的動能的方式來加速溶解(擴散) 07/24 00:42
: → hsubonbon:咖啡粉裡的溶質(固,液,氣)濃度高於水則為熱力學驅動力 07/24 00:44
: → hsubonbon:積出來的就是單位體積內所有的溶(擴散)出來的物質 07/24 00:45
響應版主阿冷的建言,以文章回應,
我重新整理我的疑問,
依據原po的意思,是在粉餅的空間,將濃度函數對空間積分,
請問這樣積出來的是甚麼東西呢?
如果濃度函數是粉餅內可溶物質的濃度分布,
這樣積分出來的結果應該就是所有可溶物質的質量阿~
為何會變成擴散出來的物質呢?
感恩~
--
Tags:
咖啡
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at 2010-07-26T03:59
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