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- The fumarate ion participates in several important metabolic pathways, e.g. the Krebs cycle, purine pathways, and the urea cycle. 延胡索酸分别参与多种重要的代谢途径，如卡尔文循环、嘌呤途径和尿素循环。
- Urea cycle disorder (UCD) is one of inborn error diseases.Citrullinemia is the most common disease (1/57000) among them, followed by argininosuccinic acidemia (ASA) (1/70000). 摘要尿素循环功能障碍为先天性代谢缺陷的一类，瓜胺酸血症为最常见的一种，发生机率为1/57000；
- It is based upon a naturally occurring enzyme called urease that essentially reverses the urea cycle by breaking down urea into metabolites that include ammonia and hydroxyl ions. 它是根据自然产生的尿素酶，基本上扭转了尿素循环打破尿素成氨的代谢物，包括羟基离子。
- Disorder of the urea cycle metabolism 尿素循环代谢病症
- Clinical and laboratory screening studies on urea cycle defects 尿素循环障碍的临床和实验室筛查研究
- Clinical and laboratory study on late-onset urea cycle defects 迟发型尿素循环障碍的临床与实验室研究
- The pedal of a cycle is attached to a crank. 自行车的踏板与曲柄相连。
- Study on Relation between Nitric Oxide Synthesis and Hepatic Urea Cycle on Condition of Aerobic Exercise 有氧运动条件下一氧化氮合成与肝脏尿素循环之间关系初探
- It's easier to cycle with the wind behind you. 顺风骑车省力。
- A unit of frequency equal to one cycle per second. 赫兹频率的单位，等于每秒一周
- The seasons of the year make a cycle. 一年四季构成一个循环。
- The business cycle experienced a sudden down. 商业周期经历了突然的萧条。
- This is the cycle of economic booms and slumps. 这是经济繁荣和经济萧条的周期变化。
- Cycle across America? Sounds a bit dodgy to me. 骑自行车横越美国? 听起来有些冒险。
- The pedals of a cycle are attached to a crank. 自行车的踏板与曲柄相连。
- The pedals of a cycle are attached to the crank. 自行车的踏板与曲柄相连。
- 84g/L。As one of the nonprotein amino acids, citrulline plays important role in the urea cycle. 瓜氨酸是一种非蛋白质氨基酸，它在尿素循环中起着重要的作用。
- Her latest stunt is riding a motor cycle through a ring of flames. 她的最新特技表演是骑摩托车钻火圈。
- The engine cycle during which this process occurs. 压缩周期上述机器压缩过程的周期
- A clathrate compound, such as urea. 包合物一种笼状化合物，如尿素
