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- They use ultraviolet lamp to kill pests. 他们使用紫外线灯杀死害虫。
- ultraviolet photometer 紫外线光度计,紫外光度计
- extreme ultraviolet photometer 极远紫外光度计
- For ultraviolet, nanometer is a preferred term. 对于紫外区通常用毫微米这一名词。
- Influence of Cloud on Solar Ultraviolet Radiation. 云对太阳紫外辐射的影响。
- And exposure to ultraviolet light. 受到紫外线照射。
- 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。
- We must carry out the measuremnt with a photometer on an airplane. 要进行这种测量,我们必须使用一台装在飞机上的光度计。
- 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????
- They use ultraviolet lamp to kill mosquitos. 他们使用紫外线灯杀死蚊子。
- Ultraviolet rays can penetrate through clouds. 紫外线可以穿透云层。
- We must carry out the measurement with a photometer on an airplane. 要进行这种测量,我们必须使用一台装在飞机上的光度计。
- Does ultraviolet allergy do how? 紫外线过敏咋办啊?
- How does ultraviolet allergy do? 紫外线过敏怎么办?
- The treated samples were analyzed with the spectral photometer. 通过分光光度计法,分析老化处理后的样品。
- What are infrared and ultraviolet rays? 什么是红外线和紫外线?
- Prevent glasses mark of ultraviolet ray? 防紫外线的眼镜标志?