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单词 catalyst
释义
catalyst
(kætəlɪst )
Word forms: catalysts
1. countable noun
You can describe a person or thing that causes a change or event to happen as a catalyst.
I very much hope that this case will prove to be a catalyst for change. [+ for]
He said he saw the bank's role as a catalyst to encourage foreign direct investment.
2. countable noun
In chemistry, a catalyst is a substance that causes a chemical reaction to take place more quickly.
Collocations:
catalyst of change
I am willing to be a catalyst of change of an oppressive and unjust society into one that advocates equality and social justice.
Retrieved from Wikipedia CC BY-SA 3.0
He was of the view that tourism would act as catalyst of change, opening up a hitherto closed society.
Retrieved from Wikipedia CC BY-SA 3.0
They have also become catalyst of change in their localities and leaders in the communities.
Retrieved from Wikipedia CC BY-SA 3.0
chemical catalyst
You then add alcohol and various chemical catalysts to make biodiesel.
Times, Sunday Times
The manufacturing process swaps baking in a kiln for a curing process with chemical catalysts.
Times, Sunday Times
The acrylic resins are polymerised by heat, ultraviolet light, or chemical catalysts.
Retrieved from Wikipedia CC BY-SA 3.0
Nanoparticles have been used as quantum dots and as chemical catalysts such as nanomaterial-based catalysts.
Retrieved from Wikipedia CC BY-SA 3.0
Enzymes differ from chemical catalysts particularly with regard to stereoselectivity, regioselectivity, and chemoselectivity.
Retrieved from Wikipedia CC BY-SA 3.0
prove the catalyst
The Chilean is confident that it will prove the catalyst to more success.
Times, Sunday Times (2014)
The Jamaica crisis proved the catalyst for recovery.
Times, Sunday Times (2011)
This has proved the catalyst for him to step up and out of his comfort zone.
Times, Sunday Times (2014)
provide a catalyst
Any good news from these could provide a catalyst for share price movement this year.
Times, Sunday Times
It may not have been stirring, but it could provide the catalyst for a successful campaign.
Times, Sunday Times
It could provide a catalyst for some shareholders to demand a break-up of the business.
Times, Sunday Times
The strategist says valuations are not cheap enough to provide a catalyst for further gains but not high enough to act as a restraint.
Globe and Mail
The redevelopment of the station should vastly improve an area that has been neglected for years, boost the local economy and provide a catalyst for further regeneration.
Times, Sunday Times
Translations:
Chinese: 催化剂
Japanese: きっかけ
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更新时间:2025/1/27 12:38:00