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pro vyhledávání: '"Aloke, Chattopadhyay"'
Autor:
Aloke Chattopadhyay
Department of Chemistry, S. B. College, Bagati, Mogra, Hooghly-712 148, West Bengal, India E-mail : aloke.chattopadhyay09@gmail.com Manuscript received online 19 January 2013, revised 26 February 2013, accepted 01 March 2013 Preparation of Y1Ba2Cu2.8
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2980e2adcf39824999294beed45f062b
Autor:
Aloke Chattopadhyay
Publikováno v:
ChemInform. 44
YBa2Cu4O8 containing BaO impurities is prepared by heat treatment (air, 1000 °C, 1 h) of precipitates obtained from mixtures of aqueous solutions of sodium polyacrylate, Y(NO3)3, Cu(NO3)2, Ba(NO3)2, NaOH, and MeOH (20 °C, several days).
Autor:
Aloke Chattopadhyay
Department of Chemistry, S. B. College, Bagati, Mogra, Hooghly-712 148, West Bengal, India E-mail : aloke.chattopadhyay09@gmail.com Manuscript received online 21 February 2012, revised 14 March 2012, accepted 26 March 2012 Yttrium barium copper oxide
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::07fb94be9f2c309f37752a831ad84f10
Publikováno v:
Materials Letters. 25:277-283
Polyacrylamide grafted guargum (G-g-Am) is an efficient polymer for binding polyvalent metal ions. But the complete understanding of ion binding by G-g-Am for Y3+ and Cu2+ ions is until now unexplored. In the present investigation the nature of the i
Publikováno v:
Materials Letters. 17:179-186
Reversible gel formation induced by ion complexation has been studied in the case of interaction of cupric ions with guargumgraft-acrylamide (G-g-Am). Guargum-graft-acrylamide has been found to be highly shear and biodegradation resistant, a drag red
Publikováno v:
Asian journal of andrology. 5(1)
To investigate the effect of arsenic on spermatogenesis.Mature (4 months old) Wistar rats were intraperitoneally administered sodium arsenite at doses of 4, 5 or 6 mg.kg(-1).day(-1) for 26 days. Different varieties of germ cells at stage VII seminife