您要查找的是不是：
- tetraethyl urea 四乙基脲
- A clathrate compound, such as urea. 包合物一种笼状化合物，如尿素
- But 120 tons of urea is really a small one. 但120吨尿素确实是个小数目。
- Government tender urea must submit price by 18th noon. 政府招标尿素，须于18日正午前报价。
- Allantoin is one of the important urea derivative products. 尿囊素是一种重要的尿素衍生产品。
- 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。
- 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。
- Excreting urea as the chief component of nitrogenous waste. 排尿素的作为含氮排泄物中主要成分的尿排泄的
- A substance, such as tetraethyl lead, added to gasoline to reduce engine knock. 抗震剂一种加在汽油中可以减轻发动机震动的物质，如甲乙基铅
- Increase of nitrogenous substances, especially urea, in the urine. 氮尿氮物质的增加，特别是尿里的尿素
- Increase of nitrogenous substances,especially urea,in the urine. 氮尿氮物质的增加，特别是尿里的尿素。
- Describe structure design of light bulk urea storage house. 介绍一种轻型尿素散装仓库结构设计。
- 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。
- The urea concentration to wash and purify protein was confirmed. 确定了洗涤和溶解包涵体的最佳尿素浓度；
- Please quote for 100, 000 metric tons of urea FOB London. 请你方报100,000 公吨尿素的FOB伦敦价。
- One pot synthesis of tribenzyl isocyanurate from urea was studied. 对以尿素为原料一锅法制备异氰尿酸三苄基酯的合成反应进行了研究。
- Diagnostic criteria and principles of management of occupational acute tetraethyl lead poisoning. 职业性急性四乙基铅中毒诊断标准及处理原则.
- Sweat consists of water with small amounts of urea and salts. 汗液是由水和少量尿素和盐构成的。
- He described the evolution of resistance in Tetranychus against tetraethyl pyrophate. 他叙述了恙虫对焦磷酸四乙脂的抗性进化。
- A steadily rising serum creatinine and urea nitrogen are clues. 血中的尿素氮和血肌酐的持续性增高是一个线索。
