54 research outputs found
<Abstract of Published Report>Effect of TYB-2285 on Antigen-induced Accumulation of Eosinophils into the Peritoneal Cavity of Rats Sensitized with Ascaris Suum Extract.
<Abstract of Published Report>The Effects of TYB-2285 and Its Metabolites on Lymphocyte Responses in Vitro.
<Abstract of published report>Effects of TYB-2285 on the accumulation of eosinophils in the airway induced by antigen exposure in actively sensitized Brown Norway rats.
<Abstract of published reportAbstract of published report>Effect of TYB-2285 on passive cutaneous anaphylaxis in rats.
<Abstract of published report>Effect of TYB-2285 on lung anaphylaxis in actively sensitized rats.
Spin dynamics and spin freezing behavior in the two-dimensional antiferromagnet NiGaS revealed by Ga-NMR, NQR and SR measurements
We have performed Ga nuclear magnetic resonance (NMR) and nuclear
quadrupole resonance (NQR) and muon spin rotation/resonance on the quasi
two-dimensional antiferromagnet (AFM) NiGaS, in order to investigate
its spin dynamics and magnetic state at low temperatures. Although there exists
only one crystallographic site for Ga in NiGaS, we found two distinct
Ga signals by NMR and NQR. The origin of the two Ga signals is not fully
understood, but possibly due to stacking faults along the c axis which induce
additional broad Ga NMR and NQR signals with different local symmetries. We
found the novel spin freezing occurring at , at which the specific
heat shows a maximum, from a clear divergent behavior of the nuclear
spin-lattice relaxation rate and nuclear spin-spin relaxation rate
measured by Ga-NQR as well as the muon spin relaxation rate
. The main sharp NQR peaks exhibit a stronger tendency of divergence,
compared with the weak broader spectral peaks, indicating that the spin
freezing is intrinsic in NiGaS. The behavior of these relaxation rates
strongly suggests that the Ni spin fluctuations slow down towards ,
and the temperature range of the divergence is anomalously wider than that in a
conventional magnetic ordering. A broad structureless spectrum and
multi-component were observed below 2 K, indicating that a static
magnetic state with incommensurate magnetic correlations or inhomogeneously
distributed moments is realized at low temperatures. However, the wide
temperature region between 2 K and , where the NQR signal was not
observed, suggests that the Ni spins do not freeze immediately below , but keep fluctuating down to 2 K with the MHz frequency range.Comment: 14 pages, 14 figures. To appear in Phys. Rev.
Giant Molecular Clouds in the Spiral Arm of IC 342
We present results of 12CO (1--0) and 13CO (1--0) observations of the
northeastern spiral arm segment of IC 342 with a ~50pc resolution carried out
with the Nobeyama Millimeter Array. Zero-spacing components were recovered by
combining with the existing data taken with the Nobeyama 45m telescope. The
objective of this study is to investigate the variation of cloud properties
across the spiral arm with a resolution comparable to the size of giant
molecular clouds (GMCs). The observations cover a 1 kpc times 1.5 kpc region
located ~2 kpc away from the galactic center, where a giant molecular
association is located at trailing side and associated star forming regions at
leading side. The spiral arm segment was resolved into a number of clouds whose
size, temperature and surface mass density are comparable to typical GMCs in
the Galaxy. Twenty-six clouds were identified from the combined data cube and
the identified clouds followed the line width-size relation of the Galactic
GMCs. The identified GMCs were divided into two categories according to whether
they are associated with star formation activity or not. Comparison between
both categories indicated that the active GMCs are more massive, have smaller
line width, and are closer to virial equilibrium compared to the quiescent
GMCs. These variations of the GMC properties suggest that dissipation of excess
kinetic energy of GMC is a required condition for the onset of massive star
formation.Comment: 17 pages, 13 figures, accepted for publication in Ap
Cervical restenosis caused by progressive ossification of the posterior longitudinal ligament in patients following laminoplasty: Two case reports
We report two cases of restenosis caused by the progression of thickness of ossification of the posterior longitudinal ligament (OPLL) seven and more years after laminoplasty, resulting in neurological deterioration needed for revision anterior decompressive surgeries. Neurological recovery after revision anterior excision of OPLL was poor. In both cases, the patients had progressive OPLL, with a non-ossified segment of the ossification foci, in common. After laminoplasty, they also both exhibited osseous fusion of the elevated laminae, but there was discontinuity at the interlaminar space at the peak level of OPLL. Discontinuity of the osseous fusion in the elevated laminae might cause mechanical stress increases at the non-ossified segment of the OPLL and could lead to the progression of OPLL. The present cases showed that long-term progression of OPLL can induce neurological deterioration even after sufficient posterior decompression by laminoplasty. Therefore, when considering risk factors that may be predictive of the progression of OPLL after laminoplasty, it is important to perform strict follow-up examination to check for progression to reduce the risk of myelopathy symptoms that are indicative of neurological deterioration
A STUDY OF DISPLACEMENT-LEVEL DEPENDENCY OF VERTICAL STIFFNESS OF PILE - COMPARISONS BETWEEN STATIC LOADING TEST AND MEASUREMENTS DURING TRAIN PASSING -
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