大家一定都很熟悉玫瑰中的老牌名品“水晶宫殿”。Everyone must be familiar with the old favourite among roses, Crystal Palace.希腊人认为紫水晶可以防止人喝醉。Amethyst was believed by the Greeks to protect a person from drunkenness.每个房间的天花板上都悬有枝形水晶吊灯。Crystal chan...
甘油是所有脂肪和磷脂的组成部分.Glycerol is a constituent of all fats and phospholipids.有人建议在硝化之前,把甘油聚合.Some people proposed polymerizing the glycerine prior to nitration.有人研究过甘油一硝酸脂的性质.The properties of mononitroglycerine were investig...