| 1. | The absence of the c=n link was noted in the staring thiazanes and thiazolidines . 未见到在原来的四氢噻嗪和四氢噻唑中CN键的存在。 |
| 2. | The amino cyclohexylcarbinols(9) derived from the fused isxoazolidine(8) were a mixture of cis and trans isomers . 从稠合的四氢异唑(8)所得到的氨基环已基甲醇(9)则是顺式和反式异构体的混合物。 |
| 3. | Preparation of cyclopropanecarboxylic acid from waster thf 从废四氢呋喃制备环丙基甲酸 |
| 4. | Health standard for tetrahydrofuran in the air of workplace 车间空气中四氢呋喃卫生标准 |
| 5. | Preparation of isomerized methyl tetrahydrophthalic anhydride 异构化甲基四氢苯酐的研制 |
| 6. | Synthesis of 4 - substituted phenyl - 3 - carboxyl - 5 - oxo - tetrahydrofuran 四氢呋喃衍生物的合成 |
| 7. | Dynamic simulation of aqueous tetrahydrofuran extractive distillation column 四氢呋喃萃取物 |
| 8. | Clinical analysis on 90 cases of tetrahydrothiophene inhalation 四氢噻吩吸入反应90例调查分析 |
| 9. | Determination of composition of thf solutions by using refractive index 折光率法测定四氢呋喃溶液的组成 |
| 10. | Tetra hydro phthalic anhydride 四氢邻苯二甲酸酐 |