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作者 A07 在 PTT [ Coffee ] 看板的留言(推文), 共436則
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11F推: 它其他的影片裡有示意給義式機用,看起來好像真的不錯.06/28 12:05
4F推: 好好笑的影片,推!! XD06/20 15:56
5F推: 紫外線當然會穿一般玻璃,不然眼鏡隔紫外線的為何要另外鍍膜?06/12 03:09
6F→: 汽車車窗玻璃也只有高級車或是新近車款的才有做隔紫外線.06/12 03:09
1F推: 連鎖咖啡板.05/26 15:20
12F推: 熱水變咖啡? XD05/23 06:41
27F推: 有一個單向閥在那兒,V怎麼可能是固定的?05/21 14:15
28F→: V一直在增加,從單向閥出去.05/21 14:16
29F→: 把閥封死然後袋子脹到一拜的時候,此時V才是固定的.05/21 14:17
30F推: 重新仔細看了一遍q大的推文,前提就是已經脹飽的咖啡袋,05/21 14:24
31F→: 損失的壓力差就是袋子壓過後到下一次脹飽的那段時間. 同意.05/21 14:26
32F→: 但是有一個根本的問題出來了,阻止咖啡豆排放CO2是好事嗎?05/21 14:40
103F推: 我查單向閥時,看到的說法是說單向閥的目的是把袋內的氧氣排出05/22 02:37
104F→: 來,所以設在上方,用豆子排出的CO2趕出氧氣.05/22 02:38
105F推: 至於抑制CO2排氣這事,看到的幾個說法都是負面的,05/22 02:44
106F→: 不然為何烘焙好的豆子還要擺幾天養豆,讓它排氣?05/22 02:44
107F→: 有人作實驗,比我嘴炮要強的多. https://goo.gl/u2dwgu05/22 02:46
36F推: 除非咖啡袋漲的飽飽的,不然裡面壓力能比外面大多少?05/20 12:47
53F推: 吹起來的氣球壓力當然大,如果蓬鬆的氣球內部壓力能有多大?05/21 14:08
54F→: 1.1atm這樣?05/21 14:09
55F→: 你的咖啡袋有收縮的力量嗎?05/21 14:10
56F→: 更正,前提就是漲飽的咖啡袋,所以這時候要看的是單向閥的壓力05/21 14:53
57F→: 值,隨便找到一家的規格,https://goo.gl/NSmnu805/21 14:54
58F→: 打開壓力:5-8mbar,8mbar是0.007895atm.05/21 14:56
59F→: 前面說1.1atm還是高估了,只有1.007895atm,如果用這單向閥的話05/21 14:57
37F推: 咖啡袋是軟的,不會有什麼氣壓的差異,不然就鼓起來了.05/20 12:42
1F推: 我覺得nesspresso不適合填充,膠囊容量太小了.04/17 13:35
13F推: 最省時間的就膠囊機了,有誰清理比膠囊機還快的? XD04/04 23:33