نتایج جستجو برای: wo
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In recent years, it has become increasingly fashionable to attribute a myriad 0f our economic and social difficulties to excessive government regulation. If we are to believe the rhetoric, government regulation is partly or largely to blame for soaring inflation, lagging growth in GNP, declining productivity growth, the decline in the value of the dollar, and even general reductions in the anim...
A traditional semiconductor (WO₃) was synthesized from different precursors via hydrothermal crystallization targeting the achievement of three different crystal shapes (nanoplates, nanorods and nanostars). The obtained WO₃ microcrystals were analyzed by the means of X-ray diffraction (XRD), scanning electron microscopy (SEM) and diffuse reflectance spectroscopy (DRS). These methods contributed...
Dicaesium bis-muth(III) phosphate(V) tungstate(VI), Cs(2)Bi(PO(4))(WO(4)), has been synthesized during complex investigation in a molten pseudo-quaternary Cs(2)O-Bi(2)O(3)-P(2)O(5)-WO(3) system. It is isotypic with K(2)Bi(PO(4))(WO(4)). The three-dimensional framework is built up from [Bi(PO(4))(WO(4))] nets, which are organized by adhesion of [BiPO(4)] layers and [WO(4)] tetra-hedra above and ...
Porous tungsten oxide/copper tungstate (WO₃/CuWO₄) composite thin films were fabricated via a facile in situ conversion method, with a polymer templating strategy. Copper nitrate (Cu(NO₃)₂) solution with the copolymer surfactant Pluronic®F-127 (Sigma-Aldrich, St. Louis, MO, USA, generic name, poloxamer 407) was loaded onto WO₃ substrates by programmed dip coating, followed by heat treatment in ...
RESUMO Introdução: várias técnicas de reperfusão foram desenvolvidas a fim reduzir o dano da lesão induzida por isquemia-reperfusão. Este estudo objetivou avaliar retrograda (RR) comparado com anterógrada (AR), e sem realização técnica lavagem do enxerto (WO). Métodos: coorte prospectiva 94 transplantes ortotópicos fígado doador falecido divididos em três grupos: RR WO (RR+WO), (AR+WO), AR (AR)...
The paper presents geometric models of the set WO of weak orders on a finite set X. In particular, WO is modeled as a set of vertices of a cubical subdivision of a permutahedron. This approach is an alternative to the usual representation of WO by means of a weak order polytope.
Concentration ratios (CR(wo-media)) are used in most radioecological models to predict whole-body radionuclide activity concentrations in wildlife from those in environmental media. This simplistic approach amalgamates the various factors influencing transfer within a single generic value and, as a result, comparisons of model predictions with site-specific measurements can vary by orders of ma...
WO,/ZrO, catalysts prepared by different methods are distinct in their catalytic behaviour. In this work, WO,/ZrO, catalysts prepared by impregnating Zr(OH), and crystallized ZrO, and then calcining at selected temperatures were characterized by means of qualitative and quantitative Raman spectroscopy. The results showed that ZrO, in WO,/ZrO, obtained from crystallized ZrO, (referred to as WZ) ...
Methods for expressing a heteromeric taste receptor that responds to umami taste stimuli are provided. These methods comprise the co-expression of T1R1 and T1R3 nucleic acid sequences in a host cell that desirably also expresses a G protein that couples therewith, e.g., G.sub..alpha.15 and G.sub..alpha.16 or gustducin. In preferred embodiments, the host cells will be mammalian cells or Xenopus ...
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