ethyl red वाक्य
उदाहरण वाक्य
मोबाइल
- In 1901, Miethe had introduced " Ethyl Red ", a sensitizing dye that greatly improved the characteristics of panchromatically sensitized photographic emulsions, which in turn obviated the very long exposures previously needed to photograph red-filtered images, simplified color filter design, and generally cleared the path for future progress.
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