نتایج جستجو برای: 280 k and 310 k
تعداد نتایج: 16883225 فیلتر نتایج به سال:
V. Vasudevan, N. Gross, P. Nagarajan and K. Clonan-Roy (Eds.), Care-based Methodologies: Reimagining Qualitative Research with Youth in US Schools. Bloomsbury Academic, 2022, 280 pp., $128.00 (Hardback); $108 (Ebook). ISBN: 9781350215597.
BACKGROUND Potassium (K+) supplementation of isotonic crystalloid fluids in daily fluid therapy is commonly performed, yet its accuracy in veterinary medicine is undetermined. OBJECTIVE To investigate the accuracy of K+ supplementation in isotonic crystalloid fluids. ANIMALS None. METHODS Observational study. 210 bags of fluid supplemented with KCl being administered to hospitalized dogs ...
the glass transition temperature of several pvac(1)-b-poly(ma-co-mma) (2) terpolymers with different fractions of methyl acrylate (ma) and methyl methacrylate (mma) repeating units in random copolymer (block 2) were calculated with barton, kwei and topological equations. the calculation was on the basis of the correlation between the fraction of repeating units in random copolymers and theoreti...
Using spectral ellipsometry, we have measured the dielectric function of a Na 0.82(2) CoO 2 crystal that exhibits bulk antiferromagnetism with T N = 19.8 K. We identify two prominent transitions as a function of temperature. The first one at 280 K involves marked changes of the electronic and the lattice response that are indicative of charge ordering in the CoO 2 layers. The second transition ...
We report pulsed emission from an optically pumped lead-salt vertical-cavity surface-emitting laser with a PbSe/PbSrSe quantum-well active region. The lasing wavelength of l54.44 mm is nearly constant over the temperature range 200–280 K, and the threshold is only 10.5 kW/cm at 260 K, where the gain peak and cavity mode are in resonance. Over 330 mW of peak power is emitted at 260 K, into a cir...
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