ureas是什么意思,ureas的意思翻译、用法、同义词、例句
类别
SAT
常用词典
n. 尿素酶;尿素塑料
例句
A new process for the synthesis of ureas based on the selective REDOX carbonylation of amine and nitro compounds was described.
本文概述了胺硝基物选择氧化还原羰基化生成脲的新工艺路线。
The third chapter was devoted to the study of quantitative structure-activity relationship(QSAR) for indazolyl ureas as TRPV1 antagonists.
第三章致力于吲唑脲类辣椒素受体(TRPV1)通道拮抗剂的定量构效关系(QSAR)研究。
By retrieving concerned Literatures, this article discussed comprehensively the biological activities of phenyl ureas, acyl ureas and tetrazoles.
本文通过检索文献,对苯脲类、酰基脲类、酰基硫脲类及四唑类化合物的生物活性作了系统的论述。
Results also showed that the molecular weight of PEG flexible spacers in chain-extended ureas basically had no influence on the reactive activity of the ureas.
扩链脲的反应活性基本不受分子中聚乙二醇链段分子量的影响。
The root exudates of C. fructescens L. were composed of alkane, esters, alcohols, phenols, aldehydes, thiazoles, ehinolines, ureas, acetate and amine compounds.
甜椒根系分泌物中含有烷烃类、酯类、醇类、酚类、醛类、噻唑类、喹啉类、脲类、醋酸盐类、胺类化合物。
常用搭配
urea nitrogen
尿素氮;脲氮
urea formaldehyde
脲醛;尿素甲醛
urea formaldehyde resin
脲醛树脂;尿素树脂;脲醛尸
urea resin
尿素甲醛树脂;脲醛树脂;尿素树脂
urea peroxide
过氧化脲
同义词
n.|urase;尿素酶;尿素塑料
网络扩展资料
词性: 名词
发音: [jʊəˈriːəz]
定义: 尿素类化合物
用法:
- Ureas是指一类有机化合物,它们的分子结构中含有两个或多个氨基(NH2)与一个碳基团结合,形成类似尿素的结构。它们常被用作农业上的杀虫剂、杀菌剂和除草剂,也被用于合成药物、塑料和化妆品等。
- Ureas还可以指尿素(urea)及其衍生物,包括甲基尿素(methylurea)、乙基尿素(ethylurea)等。
例句:
- The use of ureas as herbicides is widespread in modern agriculture. (使用尿素作为除草剂在现代农业中很普遍。)
- Ureas are widely used in the synthesis of plastics and cosmetics. (尿素类化合物被广泛用于合成塑料和化妆品。)
近义词: 尿素衍生物
反义词: 无