如何使用 "butyl" 造句
- 1. Obtained by chlorination of butyl rubber in hexane solution .
- 由丁基橡胶在己烷溶液中氯化制得。
- 2. There is also a need to reduce possible contributions from other sources , such as propyl - , butyl - and isobutyl paraben in cosmetics , and phthalates in footwear ( such as light-weight sandals and rubber boots ) .
- 此外，还需要尽量减少接触其他有害因素，比如化妆品中的丙烷基-、丁基-和异丁基-对羟苯甲酸酯；鞋类中的邻苯二甲酸酯（像轻便凉鞋和橡胶靴）。
- 3. Butyl paraben ( and ) sorbic acid .
- 羟基苯甲酸丁酯、山梨酸。
- 4. Hill butyl aims to become a world-class first-class fabric suppliers .
- 希尔丁目标是成为世界级一流面料供应商。
- 5. Ethyl tert butyl ether is synthesized from ethanol and tert butyl alcohol by reaction distillation .
- 以乙醇和叔丁醇为反应物，采用反应精馏法合成了乙基叔丁基醚。