其荧光强度高而稳定,单一量子点表现出的荧光亮度和持续时间是普通有机荧光染料的10 ~20倍。
The luminescence intensity is high and stable. Single quantum dots have longer excited state lifetimes, and they appear 10-20 times brighter than organic fluorescent dyes.
首先,萤火虫吸氧通过特殊的细胞与一种叫荧光素的物质结合就会几乎毫不放热的发出光亮。
The insects take in oxygen and, inside special cells, combine it with a substance called luciferin to produce light with almost no heat.
很久以来人们就知道烃类在紫外线下能发出荧光或其他光亮,但这或许是第一次在实验室外,应用这一技术来探测石油。
Although hydrocarbons have long been known to fluoresce, or glow, under ultraviolet light, this may be the first time the technology has been used outside a lab to spot oil.
激活剂用量和煅烧温度影响荧光粉的发光亮度,是主要控制因素。
The flux dosage and calcination temperature, which affect luminosity of the fluorescent powder, are the major controlling factors.
科明达荧光粉发光亮度高,寿命长达50000小时,达到世界同行业领先水平。
With high lightness and long life (50000 hours), the phosphor for white light LED has reached leading levels of the world in this field.
科明达荧光粉发光亮度高,寿命长达50000小时,达到世界同行业领先水平。
With high lightness and long life (50000 hours), the phosphor for white light LED has reached leading levels of the world in this field.
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