نتایج جستجو برای: avo and pore volume calculations

تعداد نتایج: 16878007  

Journal: :ACS applied materials & interfaces 2014
Hiesang Sohn Mikhail L Gordin Terrence Xu Shuru Chen Dongping Lv Jiangxuan Song Ayyakkannu Manivannan Donghai Wang

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...

Journal: :Journal of the American Chemical Society 2015
Timothy C Wang Wojciech Bury Diego A Gómez-Gualdrón Nicolaas A Vermeulen Joseph E Mondloch Pravas Deria Kainan Zhang Peyman Z Moghadam Amy A Sarjeant Randall Q Snurr J Fraser Stoddart Joseph T Hupp Omar K Farha

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...

Journal: :Journal of biomedical materials research. Part A 2003
Edward A Botchwey Melissa A Dupree Solomon R Pollack Elliot M Levine Cato T Laurencin

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...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2002
D K Klimov D Newfield D Thirumalai

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...

2002
D. K. Klimov D. Newfield George H. Lorimer

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...

2001
D K Klimov

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...

Journal: :Scientific reports 2016
Jordi Seuba Sylvain Deville Christian Guizard Adam J Stevenson

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...

Journal: :journal of sciences islamic republic of iran 0

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...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه مراغه - دانشکده علوم پایه 1390

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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