您要查找的是不是：
- portable ultraviolet radiator 轻便型紫外线辐射器
- Influence of Cloud on Solar Ultraviolet Radiation. 云对太阳紫外辐射的影响。
- Ultraviolet radiation threatens other forms of life as well. 紫外线辐射也威胁着其他形式的生命。
- Capable of responding to sunlight or ultraviolet radiation by chemical reaction. 能经化学反应感光的能通过化学反应对阳光或紫外线辐射反应的
- The ozone layer reduces the penetration of ultraviolet radiation. 臭氧层能够降低紫外线的辐射穿透作用。
- Ultraviolet radiation from the hot star powers the nebular glow. 从炽热恒星放射出的紫外线激发了星云，并使它发光发热。
- A plant sterol is converted into vitamin D by ultraviolet radiation. 一种植物固醇，受紫外线照射可转化成维生素D。
- The ozone layer blocks much of the sun's dangerous ultraviolet radiation. 臭氧屋阻挡了阳光中大量有害的紫外线辐射。
- The dimmer star emits ultraviolet radiation to illuminate the nebula. 较暗的那颗星发出紫外线,令星云产生鲜艳的颜色。
- A Variable Sky-View Platform for the Measurement of Ultraviolet Radiation. 一个不同的紫外辐射观测空中平台。
- Ultraviolet radiation may result in skin changes, such as erythema, photoaging. 紫外线辐射可造成皮肤损伤,引起皮肤出现红斑、光老化等。
- high frequency ultraviolet radiator 高频紫外线灯
- A great deal is now known about the kinds of damage produced in the DNA by ultraviolet radiations, to a lesser extent, by ionizing radiations. 目前已经知道很多关于由紫外线辐射以及在较小程度上由电离辐射引起DNA损伤的种类。
- Fill your radiator with water, or your engine will overheat. 给你的散热器充水，否则引擎会过热。
- The correlation between skin cancer incidence and exposure to Ultraviolet radiation is given in Fig. 11-22. 图11-22中给出皮肤癌发病率与暴露紫外线辐射之间的关系。
- Ultraviolet radiation increases the risk of cataracts, which cloud the lens of the eye and can cause blindness. 紫外线辐射增加了白内障的危险，这种疾病使眼睛的晶体蒙上缀障并能导致失明。
- Bob tuned in his portable radio to a record show. 鲍伯收听手提收音机的唱片广播。
- Ozone occurs naturally in the upper atmosphere and helps to mop up ultraviolet radiation. 臭氧自然发生在上层大气层，帮助抹去紫外线幅射。
- Completely portable and very light weight. 便携式的，而且重量很轻。
- The radiator is giving out a lot of heat. 散热器释放出很多热量。
