| 单词 | dye-coupling |
| 释义 | > as lemmasdye-coupling dye-coupling n. Photography (see quot. 1958). ΚΠ 1958 Newnes Compl. Amateur Photogr. xxxv. 328 Dye-coupled Developing. Where a wide range of colours is required probably the best method is provided by dye-coupling developers. The general principle is that the by-products of the developer giving the silver image will couple up with another compound, to produce a coloured substance. < as lemmas |
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