Used AgNO3 Standard solution to measure the content of mercapto heterogeneous ring compound and thioureido derivative in acid coppering gloss agent continuously by potentiometric titration.
以硝酸银标准溶液,采用电位滴定法,连续测定酸性镀铜光充剂中的巯基杂环化合物和硫脲衍生物的含量。
单词 | Ring compound |
释义 |
Ring compound
英语例句库
Used AgNO3 Standard solution to measure the content of mercapto heterogeneous ring compound and thioureido derivative in acid coppering gloss agent continuously by potentiometric titration. 以硝酸银标准溶液,采用电位滴定法,连续测定酸性镀铜光充剂中的巯基杂环化合物和硫脲衍生物的含量。
中文百科
芳香烃 Aromatic hydrocarbon(重定向自Ring compound)
![]() ![]() ![]() ![]() 芳香烃简称芳烃(aromatic hydrocarbons),为苯及其衍生物的总称,是指分子结构中含有一个或者多个苯环的烃类化合物。名称来源由于有机化学发展初期,这一类化合物几乎都在挥发性、有香味的物质中发现,例如:从安息香胶中取得安息香酸,自苦杏仁油取得苯甲醛等。但后来许多性质应属芳香族的化合物,却没有拥有香味,因此现今芳香烃,意指的只是这些含有苯环的化合物。其中最简单和最重要的芳香烃是苯及其同系物甲苯、二甲苯、乙苯等。在芳香族中,一些芳香环中并不完全是苯的结构,而是其中的碳原子,会被氮、氧、硫等元素取代,我们称之为杂环,例如:像是呋喃的五元环中,包括一个氧原子,吡咯中含有一个氮原子,噻吩含有一个硫原子等。
英语百科
Aromatic hydrocarbon 芳香烃(重定向自Ring compound)
![]() ![]() ![]() ![]() An aromatic hydrocarbon or arene (or sometimes aryl hydrocarbon) is a hydrocarbon with sigma bonds and delocalized pi electrons between carbon atoms forming rings. The term 'aromatic' was assigned before the physical mechanism determining aromaticity was discovered; the term was coined as such simply because many of the compounds have a sweet or pleasant odour. The configuration of six carbon atoms in aromatic compounds is known as a benzene ring, after the simplest possible such hydrocarbon, benzene. Aromatic hydrocarbons can be monocyclic (MAH) or polycyclic (PAH). |
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