正在翻译,请等待... 相关内容 aThis organizational placement can be a limitation because the public relations department or consultant will liely not be in tune with marketing efforts Poor communication and no coordination may be the consequences. 这组织安置可以是局限,因为公共关系部门或顾问liely不会是...
五个pyrazines(甲基pyrazine,2.5-二甲醚pyrazine,二甲醚2,6pyrazine,2-乙基-6-methylpyrazine、三methylpyrazine 翻译结果5复制译文编辑译文朗读译文返回顶部 正在翻译,请等待... 相关内容 a专家指出,恐怖主义是全人类面临的共同挑战,国际社会只有加强合作,努力解决不公正现象,采取包括经济、政治、文化和军事手段在内的综...
2-Ethyl-3-methylpyrazine 2-乙基-3-甲基吡嗪文献(pubmed) 以下为句子列表:英文: Synthesis and antibacterial activities of 7-{4-[2-[2-substituted-4-((5S)-5-acetylaminomethyl-2-oxo-oxazolidin-3-yl)-phenyl]-ethyl]-piperazin-1-yl}-fluoroquinolones;中文: 7-{4-[2-[2-取代-4-((5S)-5-乙...
柠檬酰胺酸 Citric Acid mono & Anhydrate 地塞米松 Dexamethasone 无水氟化铝 Anhydrous Aluminium Chloride 三硫化锑 Antimony Trisulphide 氟化钙 Calcium Fluoride (Fluorspan) 碳酸氢钾 Potassium Benzoate 酪酸钙 calcium carbonate light 98%min. 白明胶 Gelatine ...
英文: A second prerequisite is that uranium 235 must be present in sufficient abundance.中文: 第二个必要条件是,铀235的含量必须够充足。英文: The base speed of Goblin Tinker in Robot form reduced from 250 to 235.中文: 机器人形态的地精修补匠的移动速度从250降到235。
获取原文并翻译|示例 获取外文期刊封面目录资料 开具论文收录证明 >> 文献代查 >> 文献数据库(团队版) >> 摘要 Metal vanadates are promising catalysts for the ammoxidation of 2-methylpyrazine to 2-cyanopyrazine, an important intermediate in the production of pyrazinamide as an effective anti-tubercular...
2-甲基吡嗪的合成工艺改进2. The mechanism of 2-cyanopyrazine prepared from 2-methylpyrazine by catalytic ammoxidation was explained qualitatively with the theory of appropriate structure of group. 通过实验得到最优反应条件为:370℃,2-甲基吡嗪、水、氧气、氨气的进料摩尔比为1∶7。3...
6) 2-ethoxy-3-methylpyrazine 2-乙氧基-1-甲基吡嗪补充资料:2-乙基吡嗪 分子式:C6H8N2分子量:108.1426CAS号:13925-00-3性质:暂无制备方法:暂无用途:暂无 说明:补充资料仅用于学习参考,请勿用于其它任何用途。参考词条2-乙氧基-3-仲丁基吡嗪 2-乙酰基-3-甲基吡嗪 2-乙氧基-3-甲基吡嗪 2-乙基-3,5-二...
1. The process to synthesize 2-methylpyrazine-5-carboxylic acid using 2,5-dimethylpyrazine as raw material and potassium permanganate as oxidant was studied in this thesis. 2-甲基吡嗪-5-羧酸是一种重要的医药中间体,主要用于合成第二代磺脲类降血糖药,新一代长效降血脂药和治疗结核病的有效药物。