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Article
Locomotor improvement of spinal cord-injured rats through treadmill training by forced plantar placement of hind paws
Experimental training model of rats with spinal cord injury (SCI).
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Article
The influence of climatic oscillations during the Quaternary Era on the genetic structure of Asian black bears in Japan
The Asian black bear (Ursus thibetanus) inhabits two of the main islands, Honshu and Shikoku, in Japan. To determine how climatic oscillations during the Quaternary Era affected the genetic structure of the black...
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Article
Behaviors of chemical elements in the atmosphere, Kawasaki, Japan
A total of 19 elements in the samples of atmospheric deposition collected in Kawasaki, Japan, were determined by neutron activation analysis, ICPAES and flame photometry. The amounts of soil dust depositions w...
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Article
Mobility of arsenic in hot spring water accompanying its penetration into the ground
The contents of arsenic in soils collected in the Kusatsu hot spring area, Gunma, Japan, were determined by INAA, with the average content of 36 mg/kg, which was obviously higher than that reported for the Jap...
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Article
Determination of As(III) and As(V) in hot spring and river waters by neutron activation analysis with pyrrolidinedithiocarbamate coprecipitation technique
The concentrations of As(III) and As(V) in natural hot spring and river waters collected in the Kusatsu-Shirane volcano area, Gunma, Japan, were determined by neutron activation analysis (NAA) preceded by the ...
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Article
Incorporation of cesium ion from CsNO3 into NH4Zr2(PO4)3 studied by TG-IR spectroscopy and powder XRD
The incorporation mechanism of Cs+ ions from CsNO3 into NH4Zr2(PO4)3 was studied on a mixture of CsNO3 and NH4Zr2(PO4)3 by powder X-ray diffraction analysis and by monitoring off-gases released from the mixture u...
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Article
Mobility of lanthanides accompanying the formation of alunite group minerals
Concentration of lanthanides (Lns) in alunite group mineral samples from the Kusatsu-Shirane volcano area, Gunma, Japan, were determined by neutron activation analysis. Their Ln abundance patterns showed enric...
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Article
Determination of arsenic and bromine in hot spring waters by neutron activation analysis
Concentrations of arsenic and bromine dissolved in hot spring waters have been determined by neutron activation analysis using 0.5 cm3 of sample waters without any chemical pretreatment. The samples prepared for ...
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Article
Selectivity of metal cations and lithium isotopes on ion exchangers in the hydrogen form prepared by thermal treatment of NH4Zr2(PO4)3
NH4Zr2(PO4)3 with different particle sizes and different specific surface areas were obtained by controlling the preparation conditions. HZr2(PO4)3, cation exchangers in the hydrogen form, were prepared by the th...
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Article
Gases Released During the Conversion of NH4Zr2(PO4)3 to HZr2(PO4)3
Gases released during the conversion of NH4Zr2(PO4)3 to HZr2(PO4)3 were identified using an apparatus in which gases released from a sample placed in a thermogravimetric analyzer were directly introduced to a gas...
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Article
Ion and lithium isotope selectivity of monoclinic antimonic acid
Antimonic acid with the monoclinic structure, M-SbA, which had a high selectivity for the lithium ion among alkali metal ions, was prepared by extracting lithium ions from LiSbO3 through ion exchange with protons...
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Article
Abundance of lanthanoids in rock salts determined by neutron activation analysis
Contents of lanthanoids (Ln's) of rock salts have been measured by neutron activation analysis. Original salt samples were treated in advance of neutron irradiation so that Ln's were enriched and amounts of in...
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Article
A preliminary investigation on the determination of lanthanoids, thorium and uranium in brine and deposit of a salt lake in China
A brine sample and two deposit samples of a salt lake in China were analyzed for their contents of lanthanoids (Ln's), thorium and uranium by neutron activation analysis. Five Ln's were determined at sub ppb l...
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Article
Determination of uranium and thorium in solar salts by neutron activation analysis
Uranium and thorium contents of solar salts were measured by neutron activation analysis. In advance of neutron irradiation, U and Th were concentrated and separated from some interfering elements by neutraliz...
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Article
Major element analysis of selected rock and volcanic ash samples in the Unzen area, Japan, by X-ray fluorescence spectroscopy
Determination of major elements in natural solid samples by X-ray fluorescence spectroscopy (XRF) with a fusion disc technique is described. Data obtained by the present XRF analytical system were found to hav...
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Article
Effects of pre-irradiation treatments in neutron activation analysis of rocks for measurements of their lanthanoid, thorium and uranium contents
Determination of the lanthanoids, thorium and uranium in silicate rocks has been investigated by neutron activation analysis (NAA). Seven or eight lanthanoids and thorium and uranium were determined by non-des...
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Article
Determination of Th and U at ppt levels in a neutral hot spring water by neutron activation analysis
Neutron activation analysis was successfully applied to the determination of Th and U at ppt levels in a neutral hot spring water. Blank test corrections were found to be essential to reach the final determine...
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Article
Determination of the lanthanoids in a neutral hot spring water by neutron activation analysis
Determination of the lanthanoids in a neutral hot spring water has been studied by menas of neutron activation analysis. The aluminium coprecipitation process, which used aluminium as the collector of the lant...
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Article
Determination of thorium and uranium in hot spring and crater lake waters by neutron activation analysis
Determination of Th and U in acidic hot spring and crater lake waters was investigated by neutron activation analysis (NAA). Before neutron irradiation, Th and U were preconcentrated and separated from interfe...
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Chapter
Indoor Tuberculosis Infections in Small Offices in Downtown Tokyo
Three episodes of tuberculosis outbreaks which occurred in company offices in downtown Tokyo since 1979 will be described and discussed with special reference to indoor environment.
