| 1. | Synthsis of new halogenated diamino - triphenyl ethers 新型卤代二氨基三苯醚的合成 |
| 2. | M - diamino sodium benzene sulfonate m - aminobenzenesulfonic acid 间硝基苯磺酸钠 |
| 3. | 2 , 4 - diamino sodium benzene sulfonate synonyms : m - diamino sodium benzene sulfonate 2 , 4二氨基苯磺酸钠 |
| 4. | Chloro 2 , 5 diamino toluene 二氨基甲苯 |
| 5. | Determination of cobalt content - 4 - 5 - chtoro - 2 - pyridyl - azo - 1 , 3 - diamino benzene photometric method 二氨基苯光度法测定钴量 |
| 6. | Diamino diphenyl ether 二氨基二苯醚 |
| 7. | Measurement of sodium and potassium in 4 , 4 - diamino - diphenyl oxide by atomic absorption spectrophotometry 二氨基二苯醚中钠和钾 |
| 8. | It has been found that 1 , 1 - diamino - 2 , 2 - nitroethylene is the most stabilized isomer and has the best exploding properties in three of isomers judged by its the smallest molecular volume 发现1 , 1 -二氨基2 , 2 -二硝基乙烯为最稳定的异构体;其分子体积最小,预示在其同分异构体中爆轰性能最好。 3 |
| 9. | 2 . synthesis and characterization of monomers dibenzo - 14 - crown - 4 , dibenzo - 18 - crown - 6 , dibenzo - 15 - crown - 5 and dinitryl , diamino substituted crown ethers were synthesized 单体的合成与表征从基础有机原料开始,合成了二苯并? 14 ?冠? 4 、二苯并? 18 ?冠? 6 、二苯并? 15 ?冠? 5及其二硝基、二氨基衍生物。 |
| 10. | ( 6 ) 4 , 6 - diamino - 5 - nitrobenzofuroxan is designed to synthesis from trichlorobenzene through nitration aminatiom azidation and thermal decomposition . this compound is a new explosive . but we only got the intermediates of the first and second steps ( nitration , amination ) because the limit of time ( 6 )从均三氯苯出发,设计经硝化、氨化、叠氮化和脱氮四步合成4 , 6 -二氨基- 5 -硝基苯并氧化呋咱,这是未见文献报道的新化合物,不过由于时间关系,我们只得到氨化这一步的中间产物即3 , 5 -二氨基- 2 , 4 -二硝基氯苯,这也是个未见文献报道的新化合物。 |