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Comparing with that of a mercury lamp or a sodium lamp, it has 2-3 times longevity.

与汞灯、钠灯比较，寿命长2—3倍。

Various power fluorescence high pressure mercury lamp and high pressure sodium lamp can be used as light source.

灯具适用多种功率的荧光高压汞灯和高压钠灯光源，用户可配购本公司的隔爆型镇流器箱，本公司另备有专用的路灯灯杆供用户选用。

I plant the production of multi-colored lamp section, low prices, good quality, all street lamps can be installed on sodium lamp, LED light source.

目前我厂生产的灯具款色多，价格低，质量好，所有路灯均可安装钠灯，LED光源。

Life expectancy up to 8000 hours, the use of direct properly, can be more economical to replace the high-pressure mercury lamp, sodium lamp, such as ordinary light bulbs.

寿命长达8000小时，使用直接妥当、可更经济的取代高压汞灯、钠灯、普通灯泡等。

The results indicated that the illumination intensity is fitted by the Exponent model, and the declining coefficients of metal halide lamp and high pressure sodium lamp are estimated to 0.1999 and 0.6353 respectively.

经测定分析和模型拟合，金属卤化物灯和高压钠灯的灯光衰减曲线符合指数模型，金属卤化物灯和高压钠灯的衰减系数分别为0.1998和0.6353。

Ballast inductor due to the need to participate in work, this product is only suitable for metal halide lamp inductance ballast-driven, energy-saving lighting sodium lamp.

由于需要镇流器电感参与工作，本产品只适合电感镇流器驱动的金卤灯、钠灯照明节能。

Based on the conclusion,a spectral irradiance calibration unit using parallel light was established,it was composed of a 150W deuterium lamp,a 500 W xenon lamp and a spherical mirror.

实验证明了发散光照明模式和平行光照明模式标定的光谱辐照度响应度在定标误差范围内一致。

A spectral irradiance calibration unit based on parallel light is established,which is composed of a 150 W deuterium lamp ,a 1 000 W tungsten-halogen lamp and a spherical mirror.

构建了由150W大功率氘灯、1000W石英卤钨灯及球面反射镜组成的平行光光谱辐照度定标单元，解决了多数光谱辐射计由于在紫外波段响应度低、信噪比小导致的定标困难，也满足了空间遥感类光谱辐射计的辐照度定标要求。

Spirit is the lamp; mind is the light which shines from the lamp.

精神是灯，心智则是灯发出的光。

At this time, teacher ZHU sparked the spirit lamp, taking the white paper to come up to return to baking in the spirit lamp.

这时，朱老师点燃了酒精灯，拿着白纸在酒精灯上来回烘烤。

I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""

客人们在卡罗利娜·埃凯家里，举止就文雅一些，因为卡罗利娜的母亲治家很严厉。

Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.

由著名品牌 Herm è s 设计，这件高贵的制服是香港本土制造，是我们第一套不配帽子的制服。