A monoclinic polymorph of (R,R)-4,4′-dibromo-2,2′-[cyclohexane-1,2-diylbis(nitrilomethanylylidene)]diphenol

The title compound, C20H20Br2N2O2, Coupler a tetradentate Schiff base, is the enantiomerically pure R,R-diastereomer of four possible stereoisomers.The molecular structure reveals two strong intramolecular O—H.N hydrogen bonds between the hydroxy O atom and the imino N atom, which each generate S(6) rings.In the crystal, molecules are sta

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COVID-19 school closures turning a spotlight on inequities and other shortcomings from the voices of those in danger of falling through the cracks

This study presents five themes which were highlighted by Maltese educators and parents when reflecting on their experience of sustaining the education of Coupler their students and children during the COVID-19 pandemic.By capturing these voices, the study seeks to gain SCREEN insight into how these educators and parents reflected on their practice

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The Study of the Geographical Origin of Barqid Household

Qom has been considered as the cradle of Shiism and the center of growth of Shiite scholars in Iran from the late first century.In the past, this city was not a coherent one and it included various areas.One of these areas is Pancake / Crepe Rakes "barqrud" or "Barqeh" to which the household of Barqih are contributed.Since a number of great Shiite

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