Synthesis of ethyl iso nicotinate using BTEAC (benzyl triethyl ammonium chloride) as phase transfer catalyst was studied.
以BTEAC(苄基三乙基氯化铵)为相转移催化剂合成了异烟酸乙酯。
| 单词 | iso 9001 |
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英语例句库
Synthesis of ethyl iso nicotinate using BTEAC (benzyl triethyl ammonium chloride) as phase transfer catalyst was studied. 以BTEAC(苄基三乙基氯化铵)为相转移催化剂合成了异烟酸乙酯。 Methyl 1 phenyl Propanone was synthesized with benzene and iso butyryl chloride by using anhydrous aluminium trichloride as catalyst. 由苯与异丁酰氯在无水三氯化铝作催化剂的条件下制备苯基异丙基酮。 声明：以上例句、词性分类均由互联网资源自动生成，部分未经过人工审核，其表达内容亦不代表本软件的观点；若发现问题，欢迎向我们指正。
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冷知识百科大全 ISO standards are not free, and they're not even cheap. ISO 标准不是免费的， 而且价格也不便宜。 TED演讲（视频版） 2023年8月合集 And once again, I go online, and I teach myself about ISO and aperture on YouTube. 我再次上网，在 YouTube 上自学 ISO 和光圈。 VOA Special 2020年12月合集 " It is inappropriate to report (about Pao Cai winning the ISO) without differentiating Kimchi from Pao Cai of China's Sichuan, " the statement said. " 在不将韩国泡菜与四川泡菜区分开的情况下报道泡菜获得国际标准化组织认证是不恰当的。" |
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