搜索结果: 1-5 共查到“化学 urea”相关记录5条 . 查询时间(0.45 秒)
Synthesis of some pyridazine derivatives carrying urea, thiourea, and sulfonamide moieties and their antimicrobial activity
Pyridazine derivatives antibacterial activity antifungal activity
2010/10/14
Some pyridazine derivatives carrying urea, thiourea, and sulfonamide groups were synthesized and evaluated for their antimicrobial activity against gram-positive and gram-negative bacteria, and fungi ...
Determination of Urea in Serum Based on the Combination of an Enzymatic Reaction with Immobilized Urease and Ion Chromatographic Analysis
Determination Serum Based Combination Immobilized Urease Ion Chromatographic Analysis
2010/9/15
A quantitative method for the determination of urea in serum was studied. An ion chromatograph (IC) with a conductivity detector was used in this method, where the chromatograph was modified by placin...
摘要 本根据堆积模型推测LaCl3(urea)6的实际结构为[LaCl2(urea)6]^+Cl^-, 培养了这一化合物单晶, 进行了结构测定. 本文报道了有关结果.
摘要 Experimental determination of density, ultrasonic velocity and viscosity of two pyrimidine bases thymine and cytosine along with their respective nucleosides, thymidine and cytidine has been carrie...
Selective Oxidation of Thiols to Disulfides Catalyzed by Iron(III) -- Tetra Phenyl Porphyrin Using Urea-Hydrogen Peroxide as Oxidizing Reagent
Thiols Fe (TPP) Cl Urea hydrogen peroxide disulfides
2010/4/20
Oxidation of thiols to disulfides catalyzed by iron(III) -- tetra phenyl prophyrin Fe (TPP)Cl was investigated using urea-hydrogen peroxide adduct (UHP) as an oxidant in methanol as a solvent.