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- The ultraviolet shielding efficiency,transparency,dispersivity and photostability are principal properties to evalude nanosize zinc oxide in sunscreen preparat. 比较了纳米氧化锌和纳米二氧化钛屏蔽紫外线方面的差异,阐述了防晒化妆品中纳米氧化锌的特点和功能。
- Its found that the composite protective coatings performed well in many properties, such as the ultraviolet shield, consolidation, invariability, acidresistivity and so on. 通过性能测试表明，用纳米材料改性氟碳乳液，除了能使防风化剂的紫外线屏蔽性能、渗透性能、安定性能等有明显的提高外，在耐酸、疏水和疏油等方面也有明显的提高。
- Keywords Ultramicron Fine Compound Ultraviolet Shielding Food Packaging Material; 超微粒;精细复合;紫外屏蔽;食品包装材料;
- Keywords nano titanium dioxide;cerium dopant;silver dopant;antibacterial;photocatalytic;ultraviolet shielding; 纳米二氧化钛;铈掺杂;银掺杂;抗菌;光催化;抗紫外;
- They use ultraviolet lamp to kill pests. 他们使用紫外线灯杀死害虫。
- Lead aprons shield people from radiation. 铅做的工作裙可使人免进辐射。
- He lied to the court to shield his friend. 他对法庭说谎以包庇自己的朋友。
- The sword glanced off the shield. 剑擦过盾牌。
- ultraviolet shielding 紫外屏蔽
- A pad or shield of cloth worn over an eye socket or an injured eye. 护眼片，眼罩带在眼窝或受伤的眼上的垫子或布片
- A pair of horizontal parallel lines drawn across a shield. 盾形纹章上的横条纹画在盾形纹章上的两条水平的平行线
- For ultraviolet, nanometer is a preferred term. 对于紫外区通常用毫微米这一名词。
- This car polish is an effective shield against rust. 这种汽车上光蜡很有防锈作用。
- Motorcyclists must wear helmets to shield them from injury. 摩托车手必须戴头盔保护自己免受伤害。
- The shield protected him from the blows of his enemy. 这盾牌保护他免受敌人的打击。
- 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。
- A shield placed to protect an object from the wind. 风挡为防止一个物体受风吹而安置的保护物
- 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。
