免费成人A片免费看|亚洲有码视频在线观看|美女毛片视频激情超碰|91精品国产欧美一区二区成人|久久无码精品一级A片一高潮不断|亚洲性爰专区三级片不卡免费|欧洲另类AV无码国产免费看|免费观看黄片视频|三级黄色网片在线|国产精品一区二区三区网址

單詞乎

gram method

gram method是什么意思、gram method怎么讀

gram method漢語(yǔ)翻譯

【化】 常量法

gram method英語(yǔ)解釋

名詞 gram method:

  1. a staining technique used to classify bacteria; bacteria are stained with gentian violet and then treated with Gram's solution; after being decolorized with alcohol and treated with safranine and washed in water, those that retain the gentian violet are Gram-positive and those that do not retain it are Gram-negative
    同義詞:Gram's method, Gram's procedure, Gram's stain, Gram stain
0
糾錯(cuò)