thio

They fall into two main categories: thi o surfactacts and non-thio surfactants for the flota-tion of sulfide and oxide minerals respectively.

它们分为面活性剂和不面活性剂,分别用于化矿和非化矿的浮选。

The penem antibiotics are a series of unclassical β-lactam antibiotics including thio-substituted, carbon-substituted, heterocycle-substituted penems and the β-lactamase inhibitors.

霉烯是一类非典型β-内酰胺类抗生素,能用于治种耐药菌引起的重症感染。