نتایج جستجو برای: respectively 11 tracers including c
تعداد نتایج: 2688494 فیلتر نتایج به سال:
Abstract The symbiosis of neuronal activities and glucose energy metabolism is reflected in the generation functional magnetic resonance imaging (fMRI) electroencephalography (EEG) signals. However, their association with balance between excitation inhibition (E/I-B), which closely related to glutamate ?-aminobutyric acid (GABA) receptor availability (RA) GABA A mGluR5, remains unexplored. This...
A case of continental outflow from the United States (US) was examined using airborne measurements from NASA DC-8 flight 13 during the Intercontinental Chemical Transport Experiment – North America (INTEXNA). Mixing ratios of methane (CH4) and carbon monoxide (CO) at 8–11 km altitude over the North Atlantic were elevated to 1843 ppbv and 134 ppbv respectively, while those of carbon dioxide (CO2...
INTRODUCTION This communication is a report on some physical and chemical properties of MP and on a striking difference between the distribution of MP and that of HRP when the two substances are administered to mice . In particular, MP penetrates into an extracellular compartment from which HRP is largely excluded . This finding is consistent with the smaller molecular size of MP and suggests t...
Alteration of tight junctional permeability in the rat parotid gland after isoproterenol stimulation
The permeability of junctional complexes to ultrastructural tracers of different molecular weight and the freeze-fracture appearance of junctional structure were investigated in the resting and stimulated rat parotid gland. Tracers were administered retrogradely via the main excretory duct, and allowed to flow by gravity (16 mmHg) into the gland for 15-60 min. Secretion was induced in some anim...
We report a lattice-Boltzmann scheme to compute the dispersion of charged tracers in charged porous media under the combined effect of advection, diffusion and electro-migration. To this end, we extend the moment propagation approach, introduced to study the dispersion of neutral tracers (Lowe C. and Frenkel D., Phys. Rev. Lett., 77 (1996) 4552), to include the effect of electrostatic forces. T...
template typename s td : : e n a b l e i f< ! s td : : i s t r i v i a l l y c o p y a s s i g n a b l e : : va lue > : : type mycopy( const T∗ source , T∗ dest , s td : : s i z e t count ) { for ( s td : : s i z e t i = 0 ; i < count ; ++i ) ∗ dest++ = ∗ source++; } Gdy pierwszym argumentem szablonu std :: enable if jest true, to zawiera on pole type określające typ drugiego ar...
We describe a global three-dimensional model for tropospheric O3-NOx-hydrocarbon chemistry with synoptic-scale resolution. A suite of 15 chemical tracers, including O3, NOx, PAN, HNO3, CO, H2O2, and various hydrocarbons, is simulated in the model. For computational expediency, chemical production and loss of tracers are parameterized as polynomial functions to fit the results of a detailed O3-N...
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