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１黑白负片经反转冲洗直接制作生物教学幻灯片的工艺１）拍摄步骤对显微切片、动植物标本、实物、图表进行摄影。２）反转冲洗步骤首显６ｍｉｎ２０℃水洗５ｍｉｎ漂白６ｍｉｎ２０℃水洗５ｍｉｎ清洁除斑２ｍｉｎ水洗２ｍｉｎ２次曝光＊２次显影４ｍｉｎ２０℃停显３０ｓ...
1 black and white negative film by reverse rinse direct production of biological teaching slide process 1) photography steps on the microsection, animal and plant specimens, objects, charts for photography. 2) reversal rinse step first significant 6min20 ℃ washed 5min bleach 6min 20 ℃ washed 5min clean spot 2min washed 2min2 exposure * 2 times 4min20 ℃ stop 30s ...