These light sources are the fluorescent lamp, halogen lamp. Short-arc xenon lamp and metal halide lamp.

这些光源为荧光灯，卤钨灯，短弧氙灯和金属卤化物灯等。

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UV light is produced by a Mercury arc lamp, 28 samples can be simultaneously irradiated. The times needed for irradiation are controlled automatically.

紫外光由一支汞弧灯产生，它可使28只样品同时受到辐射，所需照射的时间可以自动控制。

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Fluorescent is a low pressure mercury-smoke arc discharge lamp.

日光灯是一种低气压的汞蒸气弧光放电灯。

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This negative is illuminated from the front by an arc lamp, and the light from this lamp passes through the transparent regions of the liquid-crystal layer to the middle layer.

ECONOMIST: Curtains for celluloid