quaternary ammoniun compounds是什么意思 quaternary ammoniun compounds

quaternary ammoniun compounds通常被翻译为"医"的意思，其中文解释还有"季铵化合物"的意思，在线发音：[quaternaryammoniuncompounds]，在英语中以名词出现较多，在《牛津英汉双解词典》中，共找到87个与quaternary ammoniun compounds相关的例句。

Quaternary ammoniun compounds的翻译

1.医

例句:Several compounds in coffee may contribute to its antioxidant capacity, including phenols, volatile aroma compounds and oxazoles that are efficiently absorbed. (咖啡中的一些成分有助于咖啡的抗氧化能力，包括可以被有效吸收的苯酚、可挥发的芳香族化合物、唑。)

2.季铵化合物

例句:The Significance of the Depositional Hiatuses on the Coastal Plain of West Bohai Bay since the Late Quaternary Period (渤海湾西岸滨海平原晚第四纪以来的沉积间断)

用法及短语

quaternary ammoniun compounds一般作为名词使用，如在quaternary ammonium compounds(un. 季铵化合物\n[网络] 四级氨化合物；季铵盐类化合物；季胺类化合物)、quaternary(四进制的 )、the quaternary([网络] 第四市场)等常见短语中出现较多。

例句

1. Characters and Environmental Evolution of Quaternary Multi-strata in North Shuyang, Jiangsu (翻译:江苏沭阳北部第四纪多重地层特征及环境演变)

2. Total 23 compounds of Aroyl thiourea scaffold. 95 compounds of bis-substituted urea scaffold, 25 compounds of thiourea scaffold were designed and prepared. (翻译:设计并合成了23个芳酰基硫脲类化合物，95个双取代脲类化合物及25个双取代硫脲类化合物。)

3. These oxazole compounds can be found in many bioactive compounds and used as synthetic intermediates. (翻译:这种恶唑类化合物存在于很多的生物活性化合物、人工合成的中间体和医药品中。)

4. The present invention relates to a process for the manufacture of alkenylated hydroxylated aromatic compounds, of chroman compounds and of their acylated derivatives. (翻译:本发明涉及一种用于制备链烯基化的羟化芳族化合物、苯并二氢吡喃化合物和其酰化衍生物的方法。)

5. The content of dissoluble organic matter in quaternary source rock of biogenic gas is about 2. (翻译:柴达木盆地第四系生物气源岩可溶有机质含量约是不溶有机质含量的2。)

6. Review and prospects of Quaternary Glaciation research in China. (翻译:中国第四纪冰川研究的回顾与展望。)

7. Organic compounds contain carbon in their molecules. (翻译:有机化合物的分子里含碳。)

8. The macrocyclic triamine compounds are very important compounds. But it is extremely difficult to synthesize these compounds because of low yield and numerous steps. (翻译:大环三胺类化合物是一类非常重要的化合物，但其合成比较困难，存在合成步骤多、产率低等问题。)

9. The quaternary sediments are largely undeformed . (翻译:第四纪的沉积物大部分未变形。)

10. Quaternary Lixian sag is northwestern one of the secondary tectonic units of the Dongting basin. (翻译:第四纪澧县凹陷为洞庭盆地西北部的一个次级凹陷。)

11. The Quaternary glaciation started just a few million years ago – and is still going on. (翻译:第四纪始于几百万年以前，并延续到现在。)

12. Finally, we suggest that Sichuan Basin was a refugial area for Dendrolimus punctatus in Quaternary Ice Age. (翻译:最后，我们推测在第四纪冰期时期四川盆地是马尾松毛虫的避难所。)

13. There is provided conductive organic arylamine compounds. (翻译:本发明提供了一种导电有机芳胺化合物。)

14. Research chemist at UCL working on the industrial application of synthetic organic compounds. (翻译:伦敦大学学院的化学家 Research chemist at UCL 研究工业用合成有机化合物 working on the industrial application of synthetic organic compounds.)

15. The activity of igneous rocks mainly concentrates in Neogene and Quaternary. (翻译:火成岩活动主要集中在晚第三纪和第四纪。)