Results 31 to 40 of about 38,309 (183)

A structural systematic study of four isomers of difluoro-N-(3-pyridyl)benzamide [PDF]

open access: yes, 2009
The four isomers 2,4-, (I), 2,5-, (II), 3,4-, (III), and 3,5-difluoro-N-(3-pyridyl)benzamide, (IV), all with formula C12H8F2N2O, display molecular similarity, with interplanar angles between the C6/C5N rings ranging from 2.94 (11)° in (IV) to 4.48 (18 ...
Anderson, Frankie P.   +3 more
core   +1 more source

Co-crystal structures of furosemide:urea and carbamazepine:indomethacin determined from powder x-ray diffraction data [PDF]

open access: yes, 2020
Co-crystallization is a promising approach to improving both the solubility and the dissolution rate of active pharmaceutical ingredients. Crystal structure determination from powder diffraction data plays an important role in determining co-crystal ...
Al Rahal, Okba   +4 more
core   +2 more sources

A GESTÃO ESCOLAR EM FOCO: REFLEXÕES PRELIMINARES

open access: yesColloquium Humanarum, 2015
In school management should be geared to meet the fundamental aspect, education. Essential for the human being, the subject of his own training. From this perspective, this paper has as main purpose to analyze the role of the manager and managing the ...
Elisangela Aparecida Bulla Ikeshoji   +2 more
doaj   +1 more source

Methyl 2-(4-ferrocenylbenzamido)thiophene-3-carboxylate and ethyl 2-(4-ferrocenylbenzamido)-1,3-thiazole-4-acetate, a unique ferrocen [PDF]

open access: yes, 2005
The conformations and hydrogen bonding in the thiophene and thiazole title compounds, [Fe(C₅H₅)(C₂₀H₁₄NO₃S)], (I), and [Fe(C₅H₅)(C₁₉H₁₇N₂O₃S)], (II), are discussed.
Alley, Steven   +4 more
core   +1 more source

Reduced Complexity Decoding for Bit-Interleaved Coded Multiple Beamforming with Constellation Precoding

open access: yes, 2011
Multiple beamforming is realized by singular value decomposition of the channel matrix which is assumed to be known to both the transmitter and the receiver.
Ayanoglu, Ender, Li, Boyu, Park, Hong Ju
core   +1 more source

Industry diversity, competition and firm relatedness: The impact on employment before and after the 2008 global financial crisis [PDF]

open access: yes, 2016
Industry diversity, competition and firm relatedness: the impact on employment before and after the 2008 global financial crisis. Regional Studies. This study investigates the extent to which indicators of external-scale economies impacted employment ...
Madsen, Jakob B.   +2 more
core   +2 more sources

The Chirality Chain in Valine: How the Configuration at the Cα Position through the OcisC′CαN Torsional System Leads to Distortion of the Planar Group CαC′(Ocis)Otrans to a Flat Tetrahedron

open access: yesChemistryOpen, 2018
Solid‐state structures, based on a Cambridge Structural Database (CSD) search, show that there is a CαN/C′Ocis attraction in the torsional system OcisC′CαN of valine, causing a chirality chain.
Prof. Dr. Henri Brunner   +1 more
doaj   +1 more source

Structural studies of crystalline forms of triamterene with carboxylic acid, GRAS and API molecules

open access: yesIUCrJ, 2018
Pharmaceutical salt solvates (dimethyl sulfoxide, DMSO) of the drug triamterene with the coformers acetic, succinic, adipic, pimelic, azelaic and nicotinic acid and ibuprofen are prepared by liquid-assisted grinding and solvent-evaporative ...
Abida Rehman   +3 more
doaj   +1 more source

A Cu‐Based Near‐IR Active MOF with an Ion‐Pair Guest Exhibiting Versatile and Selective Gas‐Solid Reactivity

open access: yesAdvanced Materials, EarlyView.
The new Cu‐containing MOF (Me2NH2)(CuICl2)@[Cu4(INA)4Cl2O]·1.5dmf (3) contains a cation and an anion as guests and shows UV‐near‐mid‐IR absorption and near‐IR emission. MOF 3 shows gas‐solid reactivity in the presence of NH3 and HCOOH to yield two new 3D MOF.
Rajat Saha   +10 more
wiley   +1 more source

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