نتایج جستجو برای: hydrates
تعداد نتایج: 2288 فیلتر نتایج به سال:
In this study, we present a detailed crystallographic analysis of multiple solvates an antibacterial furazidin. Solvate formation furazidin was investigated by crystallizing it from pure solvents and solvent–water mixtures. Crystal structure the obtained computational calculations were used to identify main factors leading intermolecular interactions in solvate crystal structures resulting obse...
Semiclathrate hydrate formers such as tetra-n-butylammonium bromide (TBAB), chloride (TBAC) and fluoride (TBAF) are promising compounds that mild the thermodynamic conditions of gas hydrates, considerably. The Clausius-Clapeyron equation is employed in this manuscript to calculate dissociation enthalpies methane/carbon dioxide/nitrogen + TBAF semiclathrate hydrates. A 460 cm3 stirred batch reac...
based on driving force for crystallization of one-component gas hydrate, in this report an expression for the supersaturation for crystallization of multicomponent gas hydrate is derived. expressions for the supersaturation are obtained in isothermal and isobaric regimes. the results obtained are applied to the crystallization of hydrates of mixtures of methane plus ethane and can apply to othe...
results the administration of quercetin hydrate significantly reduced the concentration of il-13, pdgf-β, and tnf-α and increased the concentrations of inf-γ in balf. conclusions according to the experimental results, quercetin hydrate reduced the concentration of inflammatory fibrotic factors, such as il-13, pdgf-β, and tnf-α, and increased the level of the antifibrotic factor inf-γ, and the e...
The structure and composition of bromine clathrate hydrate has been controversial for more than 170 years due to the large variation of its observed stoichiometries. Several different crystal structures were proposed before 1997 when Udachin et al. (Udachin, K. A.; Enright, G. D.; Ratcliffe, C. I.; Ripmeester, J. A. J. Am. Chem. Soc. 1997, 119, 11481) concluded that Br2 forms only the tetragona...
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