您要查找的是不是:
- diethyl diphenyl urea 二乙基·二苯基脲
- diphenyl urea 二苯脲,碳酰替
- 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。
- Diphenyl carbonate shows a typical vinyl ester effect. 碳酸二苯酯表现典型的乙烯的酯类的效应。
- Government tender urea must submit price by 18th noon. 政府招标尿素,须于18日正午前报价。
- Diphenyl carbonate shows a typical vinyl ester effect . 碳酸二苯酯表现典型的乙烯的酯类的效应。
- Allantoin is one of the important urea derivative products. 尿囊素是一种重要的尿素衍生产品。
- Diphenyl ether is used as solvent and azeotropied with water. 利用联苯醚作为溶剂,与体系的水分进行共沸回流,达到充分脱水的目的。
- 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
- At first,4.4-dihydroxy diphenyl sulfone is prepared,and then it reacts with naphthalene sulfonic acid,formaldehyde and urea in an acid agu- eous medium. It will be obtained homogeneous,water-soluble co-condensation products. 首先由苯酚合成4.;4′-二羟基二苯砜;再与萘磺酸;甲醛和脲在酸性水溶液中反应;得到均相水溶性的共缩合物。
- 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。
- Diphenyl carbonate(DPC) is an important intermediate in plastic industry. 碳酸二苯酯是重要的有机中间体,应用于塑料工业。
- Diphenyl thiourea is an important intermediate of medicine and dyestuff. 二苯硫脲是重要的医药和染料的中间体。
- 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;