Pinning properties in 100nm thick continuous and porous superconducting Nb films are examined by ac susceptibility and dc magnetization measurements. The Nb filmwas deposited on a smooth Si substrate, while the porous film, NbP , was deposited on an anodized Al oxide substrate. Pores or ‘‘antidots’’ 40 nm in diameter, 100 nm apart, form a triangular array. The porous film presents commensurate ...

Regional influences of parasympathetic and sympathetic innervation on choroidal blood flow were investigated in anesthetized rats. Parasympathetic pterygopalatine neurons were activated by electrically stimulating the superior salivatory nucleus, whereas sympathetic neurons were activated by cervical sympathetic trunk stimulation and uveal blood flow was measured by laser Doppler flowmetry. Par...

Fully kinetic, vibrationally and continuum solvers with varying model fidelity are used in this work to the high-temperature relaxation of air 7230 15,000 K adiabatic heat baths a hypersonic flow over cylinder. The results show significant impact uncertainties vibrational times reaction rate constants on thermal chemical relaxation, particular, gas temperature species mole fractions. Most notab...

[1] Although the oceans are a significant source of the greenhouse gas nitrous oxide (N2O) to the atmosphere, the magnitude and characteristics of this source are poorly constrained. We present here stable isotope and isotopomer (intramolecular distribution of N within the linear NNO molecule) results for N2O and oxygen stable isotopic data for dissolved O2 from Station ALOHA in the subtropical...

In this study vertically aligned carbon nanotubes (VA-CNT) was grown on anodized aluminum oxide (AAO) substrate. The synthesized AAO-CNT membrane was characterized using Raman spectroscopy, field emission scanning electron microscopy (FESEM), contact angle and BET. The pure water flux, humic acid (HA) (as representative of natural organic matters) rejection and fouling mechanism were also evalu...

INTRODUCTION Central airway nitric oxide flux (J'(awNO)) and peripheral airway/alveolar nitric oxide concentration (C(ANO)) during asthma exacerbation has not been investigated after correction for axial NO back-diffusion. METHODS After measuring exhaled NO (fraction of exhaled nitric oxide (F(E)NO); ppb) at 50, 100, 150 and 200 ml/s, J'(awNO) (nl/s) and C(ANO) (ppb) were calculated using the...

Heat transfer coefficient in nucleate pool boiling near critical heat flux at least one orderhigher than the convectional heat transfer modes. In this paper, an experimental setup isdesigned and fabricated to investigate the mechanism of heat transfer from boiling surface tobulk liquid near critical heat flux. The images of pool boiling near the high heat flux regionreveals that the individual ...

Nanopillar films of Al-Nb alloys have been fabricated on substrates with a regular concave cell structure by oblique angle physical vapor deposition. The concave cell structure of substrate increases the shadow region for the flux of depositing atoms, assisting the formation of an isolated nanopillar on each cell. Depending upon the alloy composition and deposition angle, the pillar shape chang...

Single crystals of Rb2Lu[Si4O10]F (dirubidium lutetium tetra-silicate fluoride) were obtained in flux-synthesis experiments in the system SiO2-Lu2O3-RbF. The compound belongs to the group of tubular chain silicates, i.e. it is based on multiple chains of condensed [SiO4] tetra-hedra forming closed columns. The periodicity of the unbranched multiple chains is four and corresponds to the length o...