dye negative 中文意思是什麼
dye negative
解釋
彩色底片-
Law of coloring of change orchid family name, can be bacterial cent two kinds big : use method of this kind of coloring, it is to use gentian to catch a bug first, all bacteria caught purple, besmear again next with iodic fluid, will strengthen the tie of dye and bacterium body, the alcohol of 95 comes to reoccupy decolour 20 30 seconds, some bacteria not by decolour, still withhold purple, some bacteria are become by decolour colorless, reoccupy answer is red finally answer catch 1 minute, the result already was caught by the bacterium of decolour cheng gong is lubricious, not the bacterium of decolour still keeps purple, no longer chromatic, such, every is caught purple bacterium calls bacterium of positive of change orchid family name ; ran chenggong calls bacterium of negative of change orchid family name lubriciously
革蘭氏染色法，能夠把細菌分為兩大類：採用這種染色方法，是先用龍膽紫來染病菌，所有細菌都染成了紫色，然後再塗以碘液，來加強染料與菌體的結合，再用95的酒精來脫色20 30秒鐘，有些細菌不被脫色，仍保留紫色，有些細菌被脫色變成無色，最後再用復紅復染1分鐘，結果已被脫色的細菌被染成紅色，未脫色的細菌仍然保持紫色，不再著色，這樣，凡被染成紫色的細菌稱為革蘭氏陽性菌；染成紅色的稱為革蘭氏陰性菌。
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