Zobrazeno 1 - 4
of 4
pro vyhledávání: '"Juan B. Chavez"'
Autor:
E. Fregoso-Israel, Gerardo Cedillo, C. H. Ortiz-Estrada, Detlev Fritsch, Juan B. Chavez, Mikhail G. Zolotukhin, M.T. Guzmán-Gutiérrez, F.A. Ruiz-Treviño, C. Kudla
Publikováno v:
Journal of Membrane Science. 323:379-385
New aromatic 3F polymers were obtained from condensations of 2,2,2-trifluoroacetophenone (1) with biphenyl (a), terphenyl (b), a mixture of biphenyl with terphenyl (ab), phenyl ether (c) and diphenoxybenzophenone (d). The reactions were performed at
Autor:
Mikhail G. Zolotukhin, Juan B. Chavez, N.G. Gileva, L. F. del Castillo, J. Guzman, Claudia Camacho-Zuniga, E. A. Sedova, F.A. Ruiz-Treviño, G. Torres
Publikováno v:
Journal of Membrane Science. 283:393-398
New cardo poly(aryl ether ketone)s containing side phthalide groups and aryl ether ketones in different lengths have been synthesized and characterized in terms of their thermal, volumetric and gas transport properties to H 2 , O 2 , N 2 , CH 4 and C
Publikováno v:
Pediatric nephrology (Berlin, Germany). 17(7)
The present study reports epidemiological data on renal disorders in children in Venezuela. Information was obtained from 14 centers for the period January through December 1998. A total of 3,624 patients were evaluated as either a first outpatient c
Publikováno v:
Pediatric nephrology (Berlin, Germany). 13(5)
Recurrent urinary tract infection (UTI) has not been widely recognized as a clinical manifestation of hypercalciuria in children. We studied 59 children with two or more episodes of UTI, a normal urinary tract, and with hypercalciuria. Clinical manif