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- acetylene urea 乙炔脲
- Allene is an isomer of methyl acetylene. 丙二烯是甲基乙炔的一种异构体。
- A clathrate compound, such as urea. 包合物一种笼状化合物，如尿素
- Baicheng City Acetylene Gas General Fact. 白城市乙炔气总厂。
- The depository for acetylene cylinder. 乙炔瓶放置处
- 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。
- These gauges are designed for measuring the pressure of medium acetylene. 该压力表适用于测量乙炔介质的压力。
- 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。
- Medium-pressure acetylene drying equipments adopt two-stage drying process. 中压乙炔干燥装置采用二级干燥工艺。
- 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；
- The causes of fire and explosion at dissolving acetylene stationwas analyzed. 分析了溶解乙炔站火灾、爆炸的原因。
- 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。
