| 1. | It is also present in an aqueous solution of nitrourea or a sulphuric acid solution of nitrourea . 它也存在于硝基脲的水溶液或硝基脲的硫酸溶液中。 |
| 2. | Synthesis of n , n - dialkylurea and its structure analysis 二烷基脲的合成及结构分析 |
| 3. | Studies on the synthesis of cyclophosphorylthioureas 环状磷酰基硫脲的合成研究 |
| 4. | Synthesis of 4 - acetylthiosemicarbazone b - 15 - c 三唑的新型硫脲和氨基硫脲的合成 |
| 5. | Synthesis and analysis of n , n ' - diphenyl thiourea 二苯基硫脲的合成与分析 |
| 6. | Determination of the content of baicalin in qinghouyan mixture with hplc 格列本脲的含量 |
| 7. | New technique for synthesis of guanylthiourea 新法合成脒基硫脲的研究 |
| 8. | Synthesis and herbicidal activities of 2 , 6 - difluorobenzoylthiourea 芳酰基氨基脲的合成及生物活性 |
| 9. | Synthesis and hormone activity of n - 5 - tetrazolyl - n - aryl acyl urea 芳酰基脲的合成与植物激素活性 |
| 10. | Synthesis and biological activity of n - 5 - tetrazolyl - n ' - aryl formyl urea 芳甲酰基脲的合成与生物活性 |