منابع مشابه
Synthesis of N, N΄3, 4-Dialkylamino-1, 2, 5-Oxadiazoles
N, N΄-3, 4-di(methylamino)-1, 2, 5-oxadiazole (1f) was prepared by dehydration of N, N΄-3, 4-di(methylamino)glyoxime (2f) in aqueous potassium hydroxid at 170-180 ˚C. Under similar conditions N, N΄-3, 4-di(benzylamino)-1, 2, 5-oxadiazole (1c) and N, N΄-3, 4-di(isopropylamino)...
متن کاملSquare Designs on New Binary ( 3 n − 1 2 , 3 n − 1 2 , 2 . 3 n − 2 ) Codes
C is an (n,M, d)q code over Fq of length n with M codewords and minimum distance d. The code C can be either linear or nonlinear. A t − (v, k, λ) design D is a set X of v points together with a collection of k−subsets of X (called block) such that every t−subset of X is contained in exactly λ blocks. In this paper a new binary code ( n−1 2 , 3n−1 2 , 2.3 n−2), n ≥ 3 is developed. Some propertie...
متن کاملDichlorido[1-(1-naphthylmethyl)-3-(2-pyridyl)-1H-pyrazole-κ2 N 2,N 3]palladium(II)
In the title compound, [PdCl(2)(C(19)H(15)N(3))], the Pd(II) centre is four-coordinated by two N-atom donors from one 1-[3-(2-pyrid-yl)pyrazol-1-ylmeth-yl]naphthalene (L) ligand and by two Cl atoms in a distorted square-planar coordination geometry. In the crystal structure, adjacent Pd(II) mononuclear units form inter-molecular C-H⋯π inter-actions involving the benzene and pyridine rings of di...
متن کاملsynthesis of n, n΄3, 4-dialkylamino-1, 2, 5-oxadiazoles
n, n΄-3, 4-di(methylamino)-1, 2, 5-oxadiazole (1f) was prepared by dehydration of n, n΄-3, 4-di(methylamino)glyoxime (2f) in aqueous potassium hydroxid at 170-180 ˚c. under similar conditions n, n΄-3, 4-di(benzylamino)-1, 2, 5-oxadiazole (1c) and n, n΄-3, 4-di(isopropylamino)-1, 2, 5-oxadiazole (1e) were not obtained, but, n, n΄-3, 4-di(ethylamino)-1, 2, 5-oxadiazole (1g) was appeared with smal...
متن کامل2 00 3 From N = 1 to N = 2 supersymmetries in 2 + 1 dimensions
Starting from N = 1 scalar and vector supermultiplets in 2+1 dimensions, we construct superfields which constitute Lagrangians invariant under N = 2 supersymmetries. We first recover the N = 2 supersymmetric Abelian-Higgs model and then the N = 2 pure super Yang-Mills model. The conditions for this elevation are consistent with previous results found by other authors. N = 2 supersymmetry in 2+1...
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ژورنال
عنوان ژورنال: Critique d’art
سال: 2019
ISSN: 1246-8258,2265-9404
DOI: 10.4000/critiquedart.46916