Propylene glycol monoether acetate was synthesized using heteropoly acid as catalyst for the firsttime.
首次以为催化剂采酯化法合成单乙醚乙酯。
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So an aerosol could contain propylene glycol and glycerin, which are solvents in the e-liquid.
因此,气溶胶可能含有丙二醇,些都是电子烟液中的溶剂。
The major ingredient in most vape juice is propylene glycol and glycerol, the main chemicals in smoke machines, which are also used in countless chemical processes.
多数电子烟液的主要成分是丙二醇,两种化学物质同样广泛应用于烟雾机及众多化学工艺中。
When propylene glycol and glycerol are heated too much, they decompose and turn into harmful molecules.
当丙二醇被过度加热时,它们会分解并转化为有害分子。
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