UV n. 紫外线的(欠压)
uv[ noun ]
radiation lying in the ultraviolet range; wave lengths shorter than light but longer than X rays
<noun.phenomenon>
- The chemical, called "deep UV resist," allows chip designers to pack a greater number of circuits on chips than current technologies.
- UV radiation can cause skin cancer and is harmful to some plants. Scientists believe the Earth's ozone belt is being erroded by the action of chlorine and some other molecules that come from industrial pollution.
- Dr Reeves believes 75 per cent of lifetime sun exposure occurs before the age of 22. Sunscreens are de rigueur on beaches and boats this summer, as are hats, UV protective eyeglasses, and clothing.
- "We're very encouraged AT&T has elected to expand the viabilty of deep UV technology," Alling said.
- "This is the first measurement of a clearly significant enhancement in UV radiation reaching the ground that is linked to human impact on the ozone layer," reported John E. Frederick of the University of Chicago.