rf值 meaning in Chinese
rf value
Examples
- The activity of crude enzyme prepared from the jasmine flower enlarged at 23 : 00 and lowed at the late stage . 3 - glucosidase activity rose slightly at 2 0 : 00 . this suggested that p - glucosidase participated in the aroma releasing
酯酶同工酶中rf值为0 . 325的酶可能与开放释香成负相关性，而rf值为0 . 83的酶可能参与了茉莉花的开放释香。 - 5 . detection : the samples were extracted with ethyl ether . the lidocaine in the sample was qualitated by rf and a tlc scanning spectrometry , quantitated by a tlc scanning chromatography and a two points external standard method or a standard curve method
5 、利多卡因检测方法:样品碱化处理后，乙醚提取，薄层扫描检测，根据利多卡因的rf值结合光谱扫描图定性，外标两点法或标准曲线法定量。