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| 单词 | collodion process |
| 释义 | collodion processnoun : a photographic process in which collodion is used as a vehicle for sensitive salts specifically : an early process in which the negative is prepared by coating a glass plate with collodion containing iodide, exposing in a camera while wet, developing with pyrogallol or acidified ferrous sulfate, and fixing in a cyanide solution or hypo |
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