How to use Tianqi egg sheep oil
Oil is a general term for hydrophobic substances that are liquid at room temperature. Silicone oil is composed of one or more liquid hydrocarbons, and a large part of silicone oil is composed of siloxane.
It is different from alcohols, ketones, ethers and other hydrocarbons in that the composition of oil is not polarized, and it is also different from fat in that the molecular length and molecular connection of the compounds that make up oil are relatively small.
history
The word "oil" is a proper noun for the name of water. Shuowen: "Oil and water, out of Liling West, southeast into the river." This water is roughly in Yichang, Hubei Province today. Because the word oil means flowing and smooth.
After the appearance of vegetable oil, it gradually lost its original meaning as a fat oil. With the wide application of vegetable oil, the word oil has gradually become a general term for animals, vegetable oils and other oils.