نتایج جستجو برای: micropore
تعداد نتایج: 744 فیلتر نتایج به سال:
Octahedral molecular sieve (OMS) materials classified by their different tunnel sizes are defined edge-sharing MnO 6 octahedra. Four OMS (OMS-1, OMS-2, OMS-5, and OMS-6) benchmarked for ethane (C 2 H ) cyclohexane 12 oxidative dehydrogenation (ODH) compared with commercial , M1 phase MoVTeNb oxide, vanadium oxide (V O 5 ). The accessibility of the quadrilateral tunnels to C were further evaluat...
The tactic and kinetic locomotion of Dictyostelium discoideum amoebae were examined in cyclic AMP (cAMP) spatial gradient and temporal signal fields. The distributions of migrating cells were examined within 150 microns-thick micropore filters after incubation with different cAMP concentrations, [cAMP], applied in three ways across the fields: as positively or negatively developing gradients, g...
Two series of carbon dioxide adsorbents were prepared from almond shells, by carbonisation followed either by activation with CO2 or by heat treatment in the presence of ammonia gas (amination). Both procedures gave carbons with high CO2 adsorption capacities in pure CO2 as well as in a binary mixture of 15 % CO2 in N2. Activation with carbon dioxide significantly developed porosity in the samp...
Nitrogenand micropore-containing carbon nanotubes (NMCNTs) were prepared by carbonization of nitrogen-enriched, polymer-coated carbon nanotubes (CNTs), and the electrochemical performances of the NMCNTs with different heteroatom contents were investigated. NMCNTs-700 containing 9.1 wt% nitrogen atoms had a capacitance of 190.8 F/g, which was much higher than that of pristine CNTs (48.4 F/g), de...
YNU-5 zeolite has the YFI-type framework with a 12-12-8-ring system (2-dimensional 12-oxygen membered ring pores 3-dimensionally connected by twin 8-ring channels), and isolated channels separated from thin (mono-atomic silicate) wall. In this study, acidic property of was analyzed mainly means ammonia IRMS-TPD (infrared/mass spectroscopy temperature-programmed desorption) method. addition, acc...
This study presents a stable and flexible method for fabricating an integrated microfluidic system with lipid bilayers formed in a free-standing SU-8 membrane. For the fabrication of the SU-8 membranes, a combination of imprint lithography and a sacrificial layer technique was employed in order to obtain a clean, fully released, and mechanically stable membrane with perforated pores. The membra...
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