有时候我甚至会觉得实验室灯亮着的时间决定了我能否顺利毕业。
Sometimes you felt like you were judged on the number of hours your lights were on.
50年前的这个星期天，休斯研究实验室的西奥多.梅曼和科学家用高功率闪光灯照射红宝石棒，引发光束相干：第一台激光器 。
Fiftyyears ago this Sunday, Theodore Maiman and his fellow scientists atHughes Research Laboratory shined a high-power flash lamp on a rubyrod, triggering a beam of coherent light: the first laser.
在你离开实验室前关掉灯。
当你离开实验室之前，确保灯被关掉了。
Before you leave the lab, make sure that the lights are turned off.
通常的实验室光源选用汞弧灯。
A common laboratory source of light is provided by a mercury arc.
只有当所有实验室都采用同样设计的紫外荧光设备、灯和老化条件时，实验室间的比较才是有效的。
Interlaboratory comparisons are valid only when all laboratories use the same design of fluorescent UV device, lamp, and exposure conditions.
1994塑料实验室光源暴露试验方法-第3部分：荧光紫外灯。
ISO4892-3:1994 Plastics-Methods of exposure to laboratory light source-Part 3: Fluorescent UV lamps.
他还发明了早期的本生灯装置，几乎所有的实验室都使用它作为最便利的热源。
He also invented the earliest form of the device that was to become the Bunsen burner, which is used almost universally in science laboratories as a convenient source of heat.
我们正在化学实验室工作，突然灯都熄灭了。
We were working in the chemistry lab , when the lights went out .
我们正在化学实验室工作，突然灯都熄灭了。
We were working in the chemistry lab , when the lights went out .
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