您要查找的是不是：
- bisethylene urea 二乙烯脲
- 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
- 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。
- 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。
- 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。
- The immediate effect of urea on the soil reaction is alkaline. 尿素对土壤反应的直接效果表现为碱性反应。
- Buy Mattress Coir Fiber.Buy Urea 46 Prilled&Granular. 最新推荐企业.;更多企业
- The biomass of urea treated by CWRM was higher than that of FSU. 各保水剂处理的尿素的氮肥利用率均高于FSU处理，且保水剂PAM处理略高于Osmocote。
