urea

urea

英[jʊˈri:ə]美[jʊ'riə]

n.尿素，脲；

例句

urea cycle尿素循环

urea poisoning尿素中*

Common agents for the treatment of xerosis are moisturizing ointments or ointments containing steroids and urea.治疗老年性干燥症的常用制剂有:保湿软膏、激素软膏和尿素软膏.

A kidney also takes urea and mineral salts out of the blood.肾还排出血液中的尿素和无机盐.

It must be broken down to urea, which consumes energy.它必须被分解成为尿素, 这时也要消耗能量.

Urea is commonly used as the source of nitrogen in foliage sprays.尿素作为氮素给源普遍地应用于叶面喷布.

At present , Di - Methylol Di - Hydroxy Ethylene Urea ( DMDHEU, 2 D resin for short ) is durable press finishing agent.二羟甲基二羟基乙撑脲树脂 ( 即DMDHEU简称2D树脂 ) 是目前应用*多的抗皱免烫整理剂.

With increasing urea, the d 001 value ofthe montmorillonite - urea intercalation complex will increase gradually to some extent.采用一定的方法可使尿素进入蒙脱石层间,形成蒙脱石尿素夹层复合体.

The preparation and property of urea - formaldehyde resin mocalified by hetero - alcohol oil were introduced.介绍了杂醇油改性脲醛树脂的制备过程及其性能测试等.

A new process, urea - calcium cyanamide method, for producing thiourea from urea and hydrogen sulfide is proposed.利用尿素和硫化氢等原料制备硫脲, 提出了尿素 - 氰氨化钙法新工艺.

英汉词典释义

n.

尿素,脲

英英词典释义

Noun

1. the chief solid component of mammalian urine; synthesized from ammonia and carbon dioxide and used as fertilizer and in animal feed and in plastics

行业词典

农学： 尿素；

化学： 脲；

医学： 脲，尿素：CO(NH2)2，在肝脏内由氨基酸去氨时所产生的氨通过尿素循环而形成，由肾脏排出；这是蛋白分解代谢的主要终产物，约占尿内固体物质总量之半。如果因肾灌注不足、急慢性肾脏疾病或尿道梗阻而出现肾小球滤过率下降，则可发生血液中尿素或其他含氮化合物水平的升高(氮血症)，见uremia。尿素〔USP〕静脉注射可用作渗透性利尿剂以降低颅内压或眼内压，也可用于*部制剂中使干燥而粗糙的皮肤湿润和柔软；