مرور Volume 7, Issue 2 بر اساس تاریخ انتشار
در حال نمایش موارد 1 - 5 از 5
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ORGANIC PHOTOCONDUCTOR TTF-TCNQ (TETRATHIAFULVALENETETRACYANOQUINODIMETHANE): A POTENTIAL ROOM TEMPERATURE INFRARED DETECTOR AT 10 ?m H. R. Mohajeri Moghaddam* and N. Peyghambarian
(University of Tehran, 1996-06-01)The absorption properties of charge transfer organic semiconductor TTF-TCNQ (tetrathiafulvalene-tetracyanoquhodimete ) filmsdeposited on KBr singlecrystal, quartz and glass substrates in far infrared have been investigated. ...
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IRRELEVANT ATTACHED PRIME IDEALS OF A CERTAIN ARTINIAN MODULE OVER A COMMUTATIVE RING
(University of Tehran, 1996-06-01)Let M be an Artinian module over the commutative ring A (with nonzero identity) and a p spec A be such that a is a finitely generated ideal of A and aM = M. Also suppose that H = H where H. = M/ (0: a )for i
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SYNTHESIS OF 1, l1-DIHYDROXY-2,2'- (THIODIMETHYLENE) BIS-9(1 OH)-ANTHRONE
(University of Tehran, 1996-06-01)An efficient synthesis of the 1,l'-dihydroxy-2,2'-(thiodimethy1ene)bis-9(10H)- anthrone (5) is described. Reaction of 1 -methoxy-2-(bromomethy1)-9,lOanthraquinone (1) with excess sodium sulfide in ethanol, demethylation ...
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REGENERATION OF NEOFORMANT ORGANS FROM ORGAN-PARTS OF SOME CROCUS SPECIES
(University of Tehran, 1996-06-01)Explants of leaves, petals, anthers, styles and ovaries of C. speciosus, C. cancellatus, C. gilanicus and C. almehensis were cultured on LS media with three different combinations of NAA and BAP in the dark. Callus and ...
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ONE-DIMENSIONAL TREATMENT OF HYDROGEN BOND PART 2
(University of Tehran, 1996-06-01)The potential function of Lippincott and Schroeder for linear hydrogen bond has been re-examined and extended to nonlinear hydrogen bond. The parameters originally introduced to the potential function by Lippincott and ...
