- v.使活动，起动，触发( activate的过去式和过去分词 )
He activated the door with the miniature sonic transmitter.
The virus remains dormant in nerve tissue until activated.
The burglar alarm is activated by movement.
Video cameras with night vision can be activated by movement.
Some extracellular proenzymes may be activated by secreted lysosomal proteinases.
Activated charcoal is known to be an excellent catalyst for many reactions.
Over 300 strains of bacteria have been found in activated sludge.
The canister is filled with activated charcoal.
The trickling filter and activated sludge efficiencies cited required primary sedimentation and effluent circulation.
The latter arises from abstraction of the somewhat lesser activated C - H bond in the dioxolane.
后者是由二氧杂环戊烷中活化较弱的C -H 键离解而产生的.
The activated carbon which can be rejuvenated by roasting procedures has improved the economy considerably.
They are removed more readily by chemical flocculation, activated carbon absorption and ion exchange.
Activated carbon, alumina are often used to remove many types of organic materials from aqueous streams.
The experimental telephone's ring is activated by pulses sent through a glass fiber.
The prevailing conditions in activated sludge may even promote the hatching of some helminth eggs.
One's brain becomes sharp when it is activated.
But thinking about or remembering descriptions in terms of their social meaning activated the dorsomedial prefrontal cortex—part of the brain's social network—even as traditional memory regions registered low levels of activity.
2018年6月六级真题(第二套)阅读 Section B收起真题例句
1. (of sewage) treated with aeration and bacteria to aid decomposition
2. of e.g. a molecule; made reactive or more reactive
3. rendered active; e.g. rendered radioactive or luminescent or photosensitive or conductive
4. set up and placed on active assignment;
"a newly activated unit"
All four of them went out and got a little activated.