نتایج جستجو برای: octahedral
تعداد نتایج: 3984 فیلتر نتایج به سال:
a sodium salt of 2-[(2,6-dichlorophenyl)amino]benzeneacetic acid, is an important non-steroid anti-inflammatory drug used in rheumatology. 1 In this paper we present the crystal structure of diclofenac sodium pentahydrate (C14H10Cl2NO2) – Na + ·5H2O along with its unique sodium distorted linkage, which were recrystallized from a matrix of chitosan and diclofenac sodium. Ethyl acetate was added ...
The vestibular system in almost all vertebrates, and in particular in humans, controls balance by employing a set of six semicircular canals, three in each inner ear, to detect angular accelerations of the head in three mutually orthogonal coordinate planes. Signals from the canals are transmitted to eight (groups of) neck motoneurons, which activate the eight corresponding muscle groups. These...
In this study, aluminum ion (Al3+) substituted yttrium iron garnet nanoparticles Y3AlxFe5-xO12 (x = 0.0, 0.2, 0.4) were fabricated by the sol-gel method. X-ray diffraction (XRD) patterns confirmed the pure garnet structure for all samples. The chemical bonds and the garnet phase were studied by using FT-IR, Far-FTIR. The cation distribution and the magnetic hyperfine parameters were obtained by...
— We have applied the SEDM technique to study the electron hopping time at the octahedral (B) sites in magnetite. We have found that this relaxation time is either zero or less than 10" s at room temperature and 125 K. At 112 K the SEDM results for the octahedral (B) sites are quite different from those at room temperature and 125 K. Relaxation may be occurring, but in the absence of a theoreti...
The aim of this paper is to use the “amplification technique” to obtain estimates on the dimension of spaces of automorphic forms associated to Galois representations; these bounds improve nontrivially on the work of Duke ([D]). A cuspidal representation π of GL2(AQ) is associated to a 2-dimensional Galois representation ρ : Gal(Q/Q) → GL2(C) if, for each place v, the local representation πv is...
McKay et al. [(1996) Science 273, 924-930] suggested that carbonate globules in the meteorite ALH84001 contained the fossil remains of Martian microbes. We have characterized a subpopulation of magnetite (Fe(3)O(4)) crystals present in abundance within the Fe-rich rims of these carbonate globules. We find these Martian magnetites to be both chemically and physically identical to terrestrial, bi...
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