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- lumens per ultraviolet watt 每紫外瓦的流明数
- Fluorescents provide 45 to 90 lumens per watt while incandescent typically provide 15-25 lumens. 萤光灯每瓦特能提供45至90流明而在白炽灯典型地仅能提供15至25流明。
- Already dendrimer devices have yielded very high luminous efficiencies (more than 50 candelas per ampere and 40 lumens per watt). 树状体所做的装置已经可以高效率地发光,超过每安培50烛光,每瓦特40流明。
- A unit of illumination equal to one lumen per square centimeter. 辐透,厘米烛光光源单位,相当于每平方厘米一流明
- A unit of illumination equals to 1 lumen per square metere. 一种照明单位等于每平方米流明。
- An older unit, the lumen per square foot, or foot-candle, has become obsolete. 一种较老的单位是每平方米英尺的流明数,即英寸烛光,这种单位已经废除。
- The International System unit of illumination, equal to one lumen per square meter. 勒克斯照度的国际单位,相当于每平方米一流明
- The International System unit of illumination,equals to one lumen per square meter. 勒克斯照度的国际单位,相当于每平方米一流明。
- The International System unit of illumination,equal to one lumen per square meter. 勒克斯照度的国际单位,相当于每平方米一流明
- The unit of brightness in the centimeter-gram-second system, equivalent to the brightness of a perfectly diffusing surface that emits or reflects one lumen per square centimeter. 朗伯在厘米-克-秒制中的一种亮度单位,相当于完全漫射的表面上辐射或反射1流明每平方厘米的亮度
- They use ultraviolet lamp to kill pests. 他们使用紫外线灯杀死害虫。
- lumens per watt 每瓦流
- lumen per watt 每瓦流明
- The nanotubes generate 80 milliliters of hydrogen per hour per watt of ultraviolet light, a record for a photocatalyst-only system. 利用这种奈米管,每小时每瓦特紫外线可产生80毫升氢气,是纯光触媒系统中的最高纪录。
- A former luminance unit equal to one lumen per square foot. 旧制光的亮度单位等于每平方英尺流明。
- a former luminance unit equal to one lumen per square foot 旧制光的亮度单位等于每平方英尺流明
- a unit of illumination equal to one lumen per square centimeter 光源单位,相当于每平方厘米一流明
- The agency places about 2000 secretaries per annum. 该代理机构每年可为约2000名秘书安排工作。
- It travels thousands of miles per second. 它一秒钟能走几千英里。
- Can your car make a hundred miles per hour? 你的汽车一小时能开一百英里吗?