• 1. used catalyst: 用过的催化剂
• 2. the used catalyst: 废催化剂
• 3. used as catalyst: 作为催化剂

更多释义

• 1.A method for recovering nickel in hydrogenate used catalyst of hydrogen peroxide in nickel sulfate form has been developed.
  研究了从双氧水氢化废镍催化剂中以硫酸镍形式回收镍的工艺方法。
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• 2.Aminopolyether (K222) is a commonly used catalyst in the routine preparation of [18f] -labeled tracers as PET imaging agents.
  氨基聚醚(K222)是合成18f标记显像剂中最常用的催化剂，在18f标记显像剂用于临床之前K222通常是必须测定的质量控制指标。
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• 3.A new process which produce copper sulfate pentahydrate and activated zinc oxide from the used catalyst by soaking in complex acid has been introduced in this paper.
  本文介绍采用络合酸浸法以废甲醇催化剂为原料制备五水硫酸铜和活性氧化锌的新工艺。
  dict.yoduao.com

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