） 品质是决定成功与失败的最重要的因素。（Quality is the all-important catalyst 品质就是一次就把事情做对。（Quality is dong the job right the first time.
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Zirconia is an important catalyst and support.
氧化锆是一种重要的催化荆及载体。
What do you think? Have you experienced a situation where feeling unhappy was an important catalyst to help you change?
你怎么看？你有没有经历过一个“感到不快乐”是帮助你做出改变的一个重要催化剂的情况呢？
Conclusion: Acetic acid is an important catalyst in the condensation reaction. Schiff bases had antibacterial activity.
结论：乙酸是催化剂，对缩合反应有利，希夫碱化合物具有一定抗菌活性。
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