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单词 acceptor
释义 acceptor
[ak`sep·tǝr]
CHEMICAL ENGINEERING
A calcined carbonate used to absorb the carbon dioxide evolved during a coal gasification process.
CHEMISTRY
1. A chemical whose reaction rate with another chemical increases because the other substance undergoes another reaction.
2. A species that accepts electrons, protons, electron pairs, or molecules such as dyes.
SOLID-STATE PHYSICS
An impurity element that increases the number of holes in a semiconductor crystal such as germanium or silicon; aluminum, gallium, and indium are examples. Also known as acceptor impurity; acceptor material.
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