نتایج جستجو برای: emmett
تعداد نتایج: 1087 فیلتر نتایج به سال:
Ordered nanoporous silicas containing various binary copper-manganese oxides were prepared as catalytic systems for effective carbon monoxide elimination. The carbon monoxide elimination efficiency was demonstrated as a function of the [Mn]/[Cu] ratio and reaction time. The prepared catalysts were characterized by Brunauer-Emmett-Teller (BET) method, small- and wide-angle X-ray diffraction (XRD...
conveyance to us for transportation to the annual IADR meetings. It was old and drafty but we appreciated having the use of it. Anyway, I owe a very large debt of gratitude to such great friends as jack Hein, Wah Leung, Emmett Costich, and Dave Mitchell who kept me alive through those early meetings and also supplied me with the scholarly stimulus so typical to the Rochester group. I still reme...
Carbon Nitrogen Interactions in Forest Ecosystems Final Report Other How to cite: Gunderson, P.; Berg, B.; Currie, W. S.; Dise, N. B.; Emmett, B. A.; Gauci, V.; Holmberg, M.; Kjonaas, O. J.; Mol-Dijkstra, J.; van der Salm, C.; Schmidt, I. K.; Tietema, A.; Wessel, W. W.; Vestgarden, L. S.; Akselsson, C.; De Vries, W.; Forsius, M.; Kros, H.; Matzner, E.; Moldan, F.; Nadelhoffer, K. J.; Nilsson, L...
Benzene is one of the target compounds to be removed from air owing to its carcinogenicity. In this study, benzene oxidation with ozone over a MnOx/KIT-6 catalyst was carried out for the first time. MnOx/KIT-6 was synthesized using two different Mn precursors: Mn acetate and Mn nitrate. The characteristics of the synthesized catalysts were examined by X-ray diffraction, X-ray photoelectron spec...
Highly dispersive strontium carbonate (SrCO3) nanostructures with uniform dumbbell, ellipsoid, and rod-like morphologies were synthesized in methanol solution without any additives. These SrCO3 were characterized by X-ray diffraction, field emission scanning electron microscopy, and N2 adsorption-desorption. The results showed that the reaction temperature and the methanol/water ratio had impor...
An electric-current-assisted method was used to mineralize dense hydrogels and create hydroxyapatite/hydrogel composites with unique hierarchical structures. The microstructure of the final material can be controlled by the mineralization technique and the chemistry of the organic matrix. A hydroxyapatite/hydrogel composite was obtained with a large inorganic content (approximately 60% of the w...
Vanadia nanoparticles supported on nickel manganese mixed oxides were synthesized by co-precipitation method. The catalytic properties of these materials were investigated for the oxidation of benzyl alcohol using molecular oxygen as oxidant. It was observed that the calcination temperature and the size of particles play an important role in the catalytic process. The catalyst was evaluated for...
We study the dual cascade scenario for two-dimensional turbulence driven by a spectrally localized forcing applied over a finite wavenumber range [kmin, kmax] (with kmin > 0) such that the respective energy and enstrophy injection rates and η satisfy k2 min ≤ η ≤ k 2 max . The classical Kraichnan–Leith–Batchelor paradigm, based on the simultaneous conservation of energy and enstrophy and the sc...
We have synthesized, characterized, and computationally simulated/validated the behavior of two new metal-organic framework (MOF) materials displaying the highest experimental Brunauer-Emmett-Teller (BET) surface areas of any porous materials reported to date (~7000 m(2)/g). Key to evacuating the initially solvent-filled materials without pore collapse, and thereby accessing the ultrahigh areas...
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