catalyst是什么意思?

catalyst是什么意思?

读音：

英 ['kætəlɪst]                                美 ['kætəlɪst]

翻译：

n. 催化剂;刺激因素

例句：

1、A catalyst is a substance which speeds up a chemical reaction.

催化剂是一种能加速化学反应的物质.

2、The last step is to regenerate the catalyst.

Z后一步是将催化剂还原。

3、War is a catalyst to help them to choose.

战争是一副催化剂来帮助他们选择。

4、Debate is the best catalyst of thought.

争论是思想Z好的催化剂。

5、His lab will try to learn every detail about just how his catalyst is making the oxygen.

他的实验室将试图搞清楚这种催化剂到底是如何制出氧气的每个细节。

6、For example, gold is nonreactive but at the nanoscale it becomes a catalyst for reactions.

例如，金不会起反应，但是在纳米尺度上它就成为了反应的催化剂。

7、And this is usually done over catalysts, like an iron oxide catalyst or something.

经常还需要一些催化剂，像氧化铁催化剂或其它东西用。

8、But even over a catalyst, this is a really, really, really slow reaction.

但即使在催化剂的作用下，这个过程也非常非常非常地缓慢。

9、What's needed is a new catalyst.

需要一个新的催化剂。

10、Well, I've always seen myself as an alchemist, a catalyst for change.

好吧，我总认为自己是个炼金术士和变化的催化剂。

11、It's a catalyst for improving IT governance.

它是改进IT治理的催化剂。

12、Change is a catalyst for personal growth.

改变是个人成长的催化剂。

13、The high jobless rate is seen as a catalyst for high levels of crime.

如此高的失业率被认为是高犯罪率的催化剂。

14、To increase the rate of reaction, a catalyst is used.

要加快反应速度就得使用催化剂。

15、The reaction takes place only in the presence of a catalyst .

只有在催化剂的作用下，反应才会发生。