Profile: d1a786e8...

Replying to Avatar 知乎日报

油水不能互溶,那么汤是怎么形成的?

油和水不能互溶,仅限于纯水和纯油不能互溶,但是如果包含有其他的物质的话,情况就不一定了。

比如碗中的油渍,一般我们是如何洗掉的呢?加洗洁精。为什么加了洗洁精后,就很容易洗掉油渍了呢?那是因为洗洁精中有类叫做表面活性剂的物质,将油渍“加溶”到了水中。

什么是表面活性剂:

表面活性剂通常是一类具有两亲性的分子。所谓两亲性,指的是同时具有亲水性和亲油性。亲水性是指的极性基团,容易与水分子形成氢键,...

https://daily.zhihu.com/story/9768711

d1
d1a786e8... 2y ago

Happy New Year!

Replying to Avatar ClearMined

Block Quote: 823816

'Commerce on the Internet has come to rely almost exclusively on financial institutions serving as trusted third parties to process electronic payments. While the system works well enough for most transactions, it still suffers from the inherent weaknesses of the trust based model.' October 31, 2008 - Satoshi Nakamoto

d1
d1a786e8... 2y ago

𝓗𝓪𝓹𝓹𝔂 𝓝𝓮𝔀 𝓨𝓮𝓪𝓻!

Replying to Avatar peste. a cabra

Its my plan to buy some soon.

d1
d1a786e8... 2y ago

ℋ𝕒p⍴𝓎 ɴҽ𝔀 𝘠℮𝑎𝚛!

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