The use of coffee grounds Coffee grounds can remove the toxic smell of dirt
There is good news for coffee lovers around the world: the large amount of coffee grounds they throw away helps remove the toxic smell of dirt. In the American Journal of Hazardous Materials, researchers at the City University of New York published a study saying that coffee grounds can absorb hydrogen sulfide gases, which are often caused by the fact that the dirt smells so bad. It is now a common practice to use activated carbon in treatment facilities to absorb hydrogen sulfides from the dirt. But if activated carbon is replaced with coffee grounds, it absorbs sulfur particularly well because of a key ingredient in coffee: caffeine. The researchers carbonized coffee grounds, water and zinc after a mixture of drying. Caffeine contains nitrogen, which increases carbon's ability to remove sulfur, said study author Teresa J. Bandosz, a chemist and chemical engineer at the City University of New York.
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The use of coffee cups and saucers basic etiquette how to put coffee cups and saucers
The cups and saucers for coffee are specially made. An one is the Italian espresso cup, the general 90ML, the amount of coffee should be 60ML. That's what we often call ESPRESSO. B commonly used coffee cup 150ML, coffee quantity is usually 120ML, we go to coffee shops and cafes usually use this kind of coffee cup. C there is also a cup and saucer used to make hot fancy coffee, usually 180ML
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Healthy drinking of coffee can reduce the incidence of diabetes.
Drinking about 4 cups of coffee a day for a long time can inhibit harmful protein changes in the body and reduce the risk of diabetes by 50%. As a weekly selected paper of the American Chemical Society, the results of this research have been published on the home page of its official website, and have attracted wide attention from scholars at home and abroad and international media. For a long time, some people have found through experience that coffee drinking and diabetes have a low incidence.
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