نتایج جستجو برای: structure h

تعداد نتایج: 2004680  

Journal: :Acta Crystallographica Section A Foundations of Crystallography 2005

Journal: :Comptes Rendus Mathematique 2021

Let A be a set of nonnegative integers. (hA) (t) the all integers in sumset hA that have at least t representations as sum h elements A. In this paper, we prove that, if k≥2, and A=a 0 ,a 1 ,⋯,a k is finite such 0=a <a <⋯<a gcda 2 =1, then there exist c ,d sets C ⊆[0,c -2], D ⊆[0,d -2]

سلیمان‌نژاد, ژانت, صدقی‌نیا, سیما, نصیبی‌پور, مینا,

The compound of (Htmb)2[Ni(pydc)­2)].H2O (1) (In that tmb and pydc are 3,3¢,5,5¢-tetramethyl benzidine and pyridine -2,6- dicarboxylic acid, respectively) was synthesized via the proton transfer method and the structure was determined by single crystal X-ray diffraction. This compound crystalized in monoclinic crystal system and C2/c space group. In the asymmetry unit of compound 1, there are h...

Journal: :Acta Crystallographica Section E Crystallographic Communications 2019

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