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- The ultraviolet emission is from the OH molecule derived from the breakup of water, an indicator of the copius amounts of water produced by this extremely active comet. 这些紫外辐射源自水分子解离所产生的氢氧根分子(OH)，而这也指出有大量的水从这颗极端活跃的彗星喷出。
- Study on the Energy Band Structure of the Nanometer-Sized Amorphous Silicon Nitride Solids in terms of Ultraviolet Emission Spectra 纳米非晶氮化硅块体能态结构的紫外发射谱研究
- They use ultraviolet lamp to kill pests. 他们使用紫外线灯杀死害虫。
- The emission of visible light by a hot object. 白热光物体遇热发出可见光
- The amount or rate of emission or ejection. 排放量流量、流速，或排出量，排出的速度
- Ultraviolet emission 紫外辐射
- For ultraviolet, nanometer is a preferred term. 对于紫外区通常用毫微米这一名词。
- Emission and propagation of energy in the form of rays or waves. 发射以光线或波的形式发出和传播能量
- Influence of Cloud on Solar Ultraviolet Radiation. 云对太阳紫外辐射的影响。
- One set of provisions tightens emission standards. 一套使排放标准更加严格的规定。
- And exposure to ultraviolet light. 受到紫外线照射。
- A brief, sudden emission of air, vapor, or smoke. 一阵烟空气、蒸汽或烟雾短促而突然的散发
- Methods Ultraviolet spectrophotometry was used. 方法采用紫外分光光度法。
- Use ultraviolet lamp to kill pests. 他们使用紫外线灯杀死害虫。
- An example is the emission of light from matter. 物质的发光即为一例。
- How does the summer prevent ultraviolet allergy? 夏季怎么防止紫外线过敏?
- Can glasses prevent ultraviolet ray? 眼镜可以防紫外线吗？
- Why can ultraviolet ray synthesize vitamin D? ? ? ? 紫外线为什么能合成维生素D????
- More stringent fuel and vehicle emission standards. 收紧车用燃料及车辆废气排放标准。
- They use ultraviolet lamp to kill mosquitos. 他们使用紫外线灯杀死蚊子。
