What is C8H10N4O2?
What is the chemical formula C8H10N4O2?
The name of its system is 1pyrm 3mai 7muri trimethylmae 1HlypurineMe 2mai 6 (3HMagi 7H)-dione
Do you know the answer to this question?
The answer is caffeine.
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The working principle of the classic E61 cooking head of the coffee machine
The E61 head first appeared on the Faema E61 coffee machine in 1961. It is an exquisite design and has become a classic of the Italian coffee machine. Nearly 50 years after its birth, there are still many Italian coffee machine manufacturers assembling this kind of head on some models of machines. What are the advantages of E61 boiled head to make it popular for such a long time? Here is a quote
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General steps of coffee encyclopedia coffee enema
One: after cleaning the enema bag, close the water stop valve coffee enema bag, which is actually a nasogastric tube on the drip bag, which can be bought in general medical equipment stores. Clean after each use and can be reused. Second: add coffee enema to about 37 ℃ of warm water, in addition to adding warm water close to human body temperature, it is also recommended to add about 0.5g of sea.
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