temperature sensitive ink 热敏油墨
Sun-light sensitive security ink 日光激发变色油墨
light sensitive security ink 日光激发变色油墨
The invention discloses temperature sensitive ink, which is suitable for offset printing or flexography on a rotary press.
本发明公开了一种温变油墨，适合在轮转机上采用胶印或柔版印刷。
The external surface of the cup is printed with a second layer of heat sensitive ink that is revealed when hot water is poured into the cup.
在杯子的表层用上温变油墨（热敏油墨）。当热水倒入时，上面的图案慢慢发生变化。
In places, the ink from the original text is no more than a faint stain, so the scientists studying it need a technique that is sensitive to very low concentrations of ink.
在有些地方原文的墨迹只剩下些微印痕，这使得研究它的科学家需要用能识别超低浓度的墨迹的技术。
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