As the isocyan group is polymerized further, diphenyl carbondiimine may be formed, further polymerization of which forms a nitrogen-containing polycyclic aromatic compound.
异氰基化合物进一步二聚成二苯基碳化二亚胺，后者又聚合生成含氮杂环的多环芳烃。
| 单词 | polycyclic |
| 例句 |
英语例句库
As the isocyan group is polymerized further, diphenyl carbondiimine may be formed, further polymerization of which forms a nitrogen-containing polycyclic aromatic compound. 异氰基化合物进一步二聚成二苯基碳化二亚胺，后者又聚合生成含氮杂环的多环芳烃。 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。
原声例句
Crash Course 天文篇 And in many cases this dust is laced with complex molecules called polycyclic aromatic hydrocarbons. 在许多情况下，这些尘埃中还夹杂着一种叫做多环芳烃的复杂分子。 VOA Special 2023年6月合集 The kind of organic molecules observed are called polycyclic aromatic hydrocarbons, or PAHs. 这种被观测到的有机分子被称为多环芳香烃。 科学60秒-科学美国人 2021年10月合集 They looked at chemicals known as polycyclic aromatic hydrocarbons, or PAHs, which are another by-product of combustion. 他们研究了被称为多环芳烃的化学物质，这是燃烧的另一种副产品。 科学60秒 听力 2014年4月合集 After cooking, they analyzed the chops for polycyclic aromatic hydrocarbons, or PAHs, which are found in smoked and grilled meats, and may up your risk of cancer. 烤好后，他们分析了这些排骨的PAHs, 即多环芳香烃类物质，这些都是在烟熏火烤后肉类食物中已经被证实存在的化学物质，也许有致癌风险。 双语版 TED-Ed 演讲精选 Conversely, burning wood or dung can create polycyclic aromatic hydrocarbons; dangerous compounds that have been linked to several types of cancer, as well as long-term DNA damage. 相反地，燃烧木头或粪肥会产生多环芳香烃；它们是危险的化合物，和多种癌症和长期的 DNA 损伤有关。 |
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