查询词典 sodium-vapor lamp

Electronic ballast ; high pressure sodium lamp ; power factor correction

电子镇流器；高压钠灯；功率因数校正

Constant power output characteristics can avoid prodigality caused by super-brightness when voltage of high-voltage sodium lamp exceeds 220V.

5， 恒功率输出特性避免高压钠灯在高于220V电压会产生超亮度浪费。

Analyzing the changing rule of reaction time under road lighting level of different lighting sources can ascertain the luminance contrast coefficients of different lighting sources to high pressure sodium lamp, then appropriate lighting source can be selected based on these coefficients during road lighting designing, road lighting could achieve the aim of safely, quickly, cozily run and energy saving.

分析不同光源在道路照明水平下的反应时间变化规律，可以确定不同光源对高压钠灯的亮度对比系数。在进行道路照明设计时，就能选择合适的照明光源，使道路照明进一步达到安全、快速、舒适和节能的目的。

After 2, 4, 6, and 8 weeks of feeding, 2% fluorescein sodium was dropped into rat conjunctival saccus and breakup time of tear film was observed by cobalt blue light scanning under slit lamp microscope. Then the rats were executed after anesthesia.

分别饲养2，4，6，8周后，用2%荧光素钠滴入大鼠结膜囊内，瞬目后在裂隙灯显微镜下用钴蓝光扫描照射观测大鼠的泪膜破裂时间，然后麻醉下颈椎脱臼法处死大鼠。

It showed that lighting treatment during nighttime period resulted in a delay of flowering in both rice and water caltrops plants. However, early flowering was observed in Indian jujube plants when treated with sodium lamp all night.

结果显示，夜问光照处理会造成水稻及菱角开花日期之延迟，然而若全夜以高压钠灯照明，则反使印度枣提早开花。

Under radration 500W high-pressure mercury lamp ray and catalysing by this TiO 2 sample for 5 hours, more than 91% of the chemical oxygen demand of sodium dodecyl be...

以该催化剂在 5 0 0 W紫外线高压汞灯照射下光催化氧化十二烷基苯磺酸钠 5小时，化学需氧量去除率达到 91 %以上。

Through surveys the He-Ne laser wave length, the sodium lamp, the white light interference experiment, the discussion stripe change and two plane mirror's inclination angle and the parallelism relations, quick observation white light interference skill and principle.

通过测量He-Ne激光波长，钠光、白光干涉仪的实验，讨论条纹的变化与两个平面镜的倾角与平行度的关系，快速观察白光干涉仪的技巧和原理。

Methods Two lines of human pancreatic carcinoma cell P3 and SW1990 were studied to investigate the killing role of PDT with hematoporphyrin derivative as photosensitizer and sodium lamp as light source. The cultured cells were treated with serial concentrations of HPD followed by irradiation of different dosages of visible light, then MTT colorometric assay was applied to measure the relative inhibitory rate of PDT for the cells.

以2株人胰腺癌细胞系P3和SW1990为研究对象，采用血卟啉衍生物作为光敏剂，用高压钠灯（功率密度25 mW/cm2为光源，以系列浓度的HPD经不同剂量的光照后，用MTT法测定PDT对胰腺癌细胞的相对抑制率。

Specially designed for your preparation include: fluorescent lamps, energy saving lamps, halogen lamps, metal halide, high pressure sodium lamp, high-frequency electrodeless light and so on.

特为您准备有：荧光灯、节能灯、卤素灯、金卤灯、高压钠灯、高频无极灯等。

The concept of equivalent rotationally rigidity is offered and the formula of rotationally rigidity is obtained.

主要做了如下几个方面的工作：对伸臂位于顶部的单层框架—筒体模型进行分析，提出了等效转动约束的概念和转动约束刚度的表达式。

Male cats normally do not need aftercare with the exception of the night after the anesthetic.

男猫通常不需要善后除了晚上的麻醉。