采用铝合金外壳，散热好，光衰小。
灯管光衰小，延长灯管寿命。
全部采用进口LED晶片，高亮度、低光衰，灯具寿命长；
High stable LED chip used in the LED which has high brightness, low degradation and longevity.
采用通风穿孔式散热的专利技术，使LED光源光衰小于5%；
With proprietary technology of ventilative and perforative solution, the LED light source's brightness decay could be lower than 5%.
光衰小(其亮度半衰期)2000个小时老化测试光衰小于2%。
Light failure small (its brightness half-life) 2000 hours ageing test light failure is less than 2%.
长寿命：灯珠低光衰，耐冲击，抗震动，寿命可达3万小时以上。
Long lifespan: Low luminous decay, Antivibration, life up 30000 HRS.
用本发明方法涂粉后的灯管，发光效率高、光衰小、使用寿命长。
The lamp tube after using the method for coating the powder has the advantages of high luminescence efficiency, small light wane and long service life.
产品具有亮度高、光衰低、外形美观等优点，广泛应用于室内外照明。
Our products have the following characteristics:high brightness, low light degradation and Attractive shape. Widely used in outdoor and indoor lighting.
这个问题被称作“光衰”，它不仅让业界精英感到无措和迷茫，也威胁着电气照明行业的未来。
The problem is known as droop, and it’s not only puzzling the brightest minds in the field, it’s also threatening the future of the electric lighting industry.
外壳采用6063铝合金灯体和整体模压加工工艺，确保了良好的散热效果，有效的减少了LED使用过程中的光衰。
The use of 6063 aluminum alloy shell and the overall molded light processing technology to ensure a good cooling effect, reducing the effective use of LED light in the process of decline.
通过测量夜光云反射的光的变化，他们发现夜光云从盛到衰的周期大约为27天。
By measuring changes in the light reflected from the clouds, they found that the clouds appear to wax and wane in prevalence over a 27-day cycle.
对空心光纤的结构特点做了细致的分析，采用迅衰波场的概念来解释空心光纤纤芯与空心处的传光损耗。
The paper illustrates the characteristics of hollow optical fiber in detail and uses the concept of evanescent wave to explain the beam transmission in interface of hollow and core.
本文提出简化的光外差腔衰荡光谱技术，技术实现相对简单，更适合于分子振转光谱研究。
A simplified OH-CRDS, which is relatively easier to implement and more suitable for molecular ro-vibrational spectrum study, is suggested in the thesis.
在采用光腔衰荡技术实现痕量气体浓度测量时，设计了用于痕量气体浓度测量的比较式光腔衰荡气室。
The contrastable optical ring-down cavity micro-gas cell is designed for the trace gases concentration measurement used ring-down cavity method.
在采用光腔衰荡技术实现痕量气体浓度测量时，设计了用于痕量气体浓度测量的比较式光腔衰荡气室。
The contrastable optical ring-down cavity micro-gas cell is designed for the trace gases concentration measurement used ring-down cavity method.
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