urea是什么意思？

urea

英[jʊˈri:ə] 美[jʊ'riə]

• n. 尿素，脲；

例句

• urea cycle 尿素循环
• urea poisoning 尿素中毒
• 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 ) 是目前应用最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
  urea poisoning 尿素中毒 urea cycle 尿素循环

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，也可用于局部制剂中使干燥而粗糙的皮肤湿润和柔软；