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- 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????
- Prevent glasses mark of ultraviolet ray? 防紫外线的眼镜标志?
- The ultraviolet ray light can sterilize the packaging material. 机内装有紫外线灯,能对包装材料进行消毒灭菌。
- The ultraviolet ray light can sterilize the packing material. 机内装有紫外线杀菌灯,能对包装材料进行消毒灭菌。
- Color silk fabric is of good air permeability and wet absorption as well as good ultraviolet ray absorption and anti-bacterial property but poor anti-crease,weak strength and easy yellowed. 彩色蚕丝织物具有良好的透气性和吸放湿性,良好的紫外线吸收能力和抗菌能力,但抗皱能力差,强力较低,伸长率较大,容易黄变。
- It was noted that incorporation of a little of organic MMT could upgrade the modulus,impact strength and anti ultraviolet ageing performance of PP greatly. 结果表明,添加少量有机蒙脱土可以使聚丙烯的模量和冲击强度以及耐紫外老化性能明显提高。
- Objective To observe the efficacy of ultraviolet ray on furuncle and phyma. 目的观察紫外线重叠照射法治疗疖肿的疗效。
- Making use of a sectional and multi-function grating spectroscope, the bromine tungsten lamp and absorbing pond, an analysis of cosmetics for the property to defend the ultraviolet ray is accomplished. 摘要利用组合式多功能光栅光谱仪、溴钨灯和吸收池,对遮阳品进行光谱特性分析。
- Ultraviolet rays can penetrate through clouds. 紫外线可以穿透云层。
- What are infrared and ultraviolet rays? 什么是红外线和紫外线?
- The ultraviolet ray irradiation: Stimulate the melanin increase, sink to accumulate in the skin. 阳光紫外线照射:皮肤角质细胞无力代谢黑色素细胞,分泌大量黑色素沉淀于皮肤所致。
- Worker had to match sunglasses, must wear long sleeve clothes, bring it out rubber glove, forbid ultraviolet ray direct irradiate skin, avoid long-term job suffer from dermatosis. 工作人员必须配带墨镜,须穿长袖衣服,外带胶皮手套,严禁紫外线光直接照射到皮肤,避免长期工作患皮肤病。
- What method does the allergy of skin ultraviolet ray that the sun basks in have to treat? 太阳晒的皮肤紫外线过敏有什么办法治吗?
- The hospital disinfection products are mainly the ultraviolet ray disinfector, the ozone disinfector and so on. 消毒设备主要有臭氧消毒机、层流消毒净化设备等。
- Close the balcony, the balcony and bedroom two pane, will hold back major ultraviolet ray to enter indoor. 封闭阳台,阳台和居室两层窗玻璃,将会阻挡大部分紫外线进入室内。
- In the medicine has kind of photosensitivity food, may increase the human body to ultraviolet ray's sensitivity. 医学上有一类光敏性食物,可以增加人体对紫外线的敏感性。
- Admire glasses when how is seeing eye lens to prevent ultraviolet ray radiation-proof? 佩眼镜的时候怎么看眼镜片是防紫外线防辐射的呢?
- And skin illuminate arrives after ultraviolet ray, pigment is not easy eduction, form stain. 而皮肤照射到紫外线后,色素不易排出,形成斑点。
- The ozone layer shields the earth from the sun's ultraviolet rays. 臭氧层保护地球不受太阳紫外线的辐射。
