| 1. | Fluorescence spectra of ethyl ether and its characteristic 乙醚的荧光光谱及其特性 |
| 2. | A study on oxidation of nopyl ethyl ether 诺卜乙基醚的氧化反应 |
| 3. | Ethyl ether for industrial use 工业用乙醚 |
| 4. | Phospholipid for import and export . method for determination of insoluble residue in ethyl ether 进出口磷脂.乙醚不溶物检验方法 |
| 5. | Workplace air - determination of ethyl ether - direct injection gas chromatographic method 车间空气中乙醚的直接进样气相色谱测定方法 |
| 6. | Synthesis of - naphthyl ethyl ether catalyzed by copper chloride with microwave irradiation solvent - free system 2催化合成对羟基苯甲酸正丁酯 |
| 7. | Structural identification of the products from nopyl - ethyl ether ozonization by gc - ms and gc - ftir 配合分析确认诺卜基乙基醚臭氧化产物的结构 |
| 8. | Determination method for l - ascorbic acid in fruit and vegetable juice beverages - ethyl ether extraction method 果蔬汁饮料中l -抗坏血酸的测定方法乙醚萃取法 |
| 9. | Light yellow paste or powder , soluble in ethanol and ethyl ether , insoluble in water , very soluble in alkaline solution 1 )浅黄色膏状物或粉末,溶于乙醇和乙醚,不溶于水,易溶于碱溶液。 |
| 10. | 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。 |