نتایج جستجو برای: avo and pore volume calculations
تعداد نتایج: 16878007 فیلتر نتایج به سال:
Porous spherical carbons (PSCs) with tunable pore structure (pore volume, pore size, and surface area) were prepared by an aerosol-assisted process. PSC/sulfur composites (PSC/S, S: ca.59 wt %) were then made and characterized as cathodes in lithium/sulfur batteries. The relationships between the electrochemical performance of PSC/S composites and their pore structure and particle morphology we...
An isoreticular series of metal-organic frameworks (MOFs) with the ftw topology based on zirconium oxoclusters and tetracarboxylate linkers with a planar core (NU-1101 through NU-1104) has been synthesized employing a linker expansion approach. In this series, NU-1103 has a pore volume of 2.91 cc g(-1) and a geometrically calculated surface area of 5646 m(2) g(-1), which is the highest value re...
The classic paradigm for in vitro tissue engineering of bone involves the isolation and culture of donor osteoblasts or osteoprogenitor cells within three-dimensional (3D) scaffold biomaterials under conditions that support tissue growth and mineralized osteoid formation. Our studies focus on the development and utilization of new dynamic culture technologies to provide adequate nutrient flux w...
We report the thermodynamics and kinetics of an off-lattice Go model beta-hairpin from Ig-binding protein confined to an inert spherical pore. Confinement enhances the stability of the hairpin due to the decrease in the entropy of the unfolded state. Compared with their values in the bulk, the rates of hairpin formation increase in the spherical pore. Surprisingly, the dependence of the rates o...
We report the thermodynamics and kinetics of an off-lattice Go model -hairpin from Ig-binding protein confined to an inert spherical pore. Confinement enhances the stability of the hairpin due to the decrease in the entropy of the unfolded state. Compared with their values in the bulk, the rates of hairpin formation increase in the spherical pore. Surprisingly, the dependence of the rates on th...
We report the thermodynamics and kinetics of an o lattice Go model hairpin from immunoglobulin binding protein con ned to an inert spherical pore Con nement enhances the stability of the hairpin due to the decrease in the entropy of the unfolded state Compared to its value in the bulk the rates of hairpin formation increase in the spherical pore Surprisingly the dependence of the rates on the p...
We show that the honeycomb out-of-plane model derived by Gibson and Ashby can be applied to describe the compressive behavior of unidirectional porous materials. Ice-templating allowed us to process samples with accurate control over pore volume, size, and morphology. These samples allowed us to evaluate the effect of this microstructural variations on the compressive strength in a porosity ran...
manganese (?) complex with 2, 2? bipyridine, 1, 1? dioxide (bpdo) ligand was immobilized within nanoreactors of mcm-41. the immobilized complex was characterized by powder x-ray diffraction (xrd), nitrogen adsorption desorption, and ftir. the pore volume, surface area and pore diameter of mcm-41 decreased after immobilization of mn complex. three bands observed at 1250, 1220 cm?1 and 757 cm?1 a...
در این پایان نامه ابتدا در مورد توابع تک ارز و خواص هندسی آنها و همچنین رابطه ئ این خواص هندسی با شرایط معادل خواص تحلیلی را مطالعه می کنیم. سپس زیر کلاسهای k وs^* (?) که شامل توابع نزدیک به محدب در دیسک واحد u است را تعریف می کنیم وبه کمک خواص پیروی و مشتق توابع تحلیلی خواص شمولیت، برآورد ضریب وقضایای پوششی وچند خاصیت دیگر را در مورد زیر کلاس k_s (?,a,b) مورد بحث وبررسی قرار می دهیم. کارهای ا...
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