catalyst

UK:  ['kætəlɪst]

US:  ['kæt(ə)lɪst]

复数：catalysts  

n.

1.【化学】触媒,催化剂,接触剂;〔比喻〕触发因素,〔口语〕(善用热情、言语等打动他人的)有感染力的人

1 . Alumina is an extensively used catalyst and carrier, it is often obtained commercially by baking pseudo -boehmite(PB) on high temperature.
氧化铝是一种应用很广的催化剂及载体，工业上一般由拟薄水铝石（PB）高温焙烧得到。

2 . What was significant about this exhibition is the way in which it engaged me in my role as a curator, as a catalyst, for this dialogue.
这次展览的重大意义是它给予我我的角色的方式作为馆长，作为媒介，在这场对话中。

3 . Bridging : When two or more catalyst pellets wedge together to form a bridge in the reactor tube with a void volume underneath.
架桥：当两个或多个催化剂颗粒在反应管中挤在一起形成桥路，从而导致下方出现空穴的现象。

4 . Catalyst A substance that increases the rate of a chemical reaction without being used up in the reaction.
一种可以加快化学反应速率但本身在反应中却没有消耗的物质。

5 . Seeing experience reports from within the organization has been a catalyst to turn doubters into believers.
看到来自组织内部的经验报告已经成为将怀疑者转变为相信者的催化剂。