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- ultraviolet refractometer 紫外折射计
- They use ultraviolet lamp to kill pests. 他们使用紫外线灯杀死害虫。
- Check oxygen concentration by a refractometer. 用折射仪测量一下氧气的浓度。
- Buying Automatic Refractometer Portable Type. 印度求购折射计。
- DO NOT immerse refractometer in water. 不要将折射计浸在水中。
- 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。
- 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。
- The hand-held refractometer is a precise optical instrument. 它广泛地应用于工业、农业、机械、化工、养殖、造酒;
- Ultraviolet rays can penetrate through clouds. 紫外线可以穿透云层。
- 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?
- 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?