RADIOISOTOPES

Online ISSN : 1884-4111
Print ISSN : 0033-8303
ISSN-L : 0033-8303

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Volume 12, Issue 1

Displaying 1-11 of 11 articles from this issue

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Study of the Reaction between Ethylene and Preadsorbed Hydrogen by means of Tritium Tracer

Toyosaburo TAKEUCHI, Takeyoshi ASANO

1963Volume 12Issue 1 Pages 1-5
Published: 1963
Released on J-STAGE: July 21, 2010

DOIhttps://doi.org/10.3769/radioisotopes.12.1

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In order to find which hydrogen is more active for the hydrogenation of ethylen, absorbed on strong site of nickel catalyst, or on weak site, the experiment was carried out by a modification of the diffential and kinetic isotope method using tritium as a tracer. Hydrogen (or tritium) was absorbed first on the reduced nickel catalyst at -78° and tritium (or hydrogen) was subsequently absorbed, then ethylene was added. After a certain hour, hydrogen, ethylene and ethane were drawn off from the reaction vessel and separated. The assay of tritium in every gas was then made using a G-M tube. The result led to a conclusion that the hydrogen absorbed on strong site is more active than that on weak site.

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Production of Radioisotopes of Niobium by Irradiation of Zirconium with Protons

Kazuo SAITO, Shin SUZUKI, Makoto SAITO

1963Volume 12Issue 1 Pages 6-10
Published: 1963
Released on J-STAGE: December 13, 2010

DOIhttps://doi.org/10.3769/radioisotopes.12.6

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Gamma-ray Spectrometric Determination of Small Amounts of Zr-, Nb-95 in Soil Samples of Niigata City and the Shinano River-bed

Shokichi SAKAGISHI, Kaoru UENO, Kentaro MINAMI

1963Volume 12Issue 1 Pages 11-17
Published: 1963
Released on J-STAGE: July 21, 2010

DOIhttps://doi.org/10.3769/radioisotopes.12.11

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The Construction of Radiocarbon Assimilation Chamber

Azuma OKUDA

1963Volume 12Issue 1 Pages 18-26
Published: 1963
Released on J-STAGE: December 13, 2010

DOIhttps://doi.org/10.3769/radioisotopes.12.18

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Polarographic Studies on Storage of Meats. Part XX Synergistic Effect of Gamma-ray Irradiation by Dosages within 60×10⁴ Roentgens and 5°C Storage on Chemical Constituents and Protein Waves of Meats

Tetsujiro OBARA, Yasokichi OGASAWARA

1963Volume 12Issue 1 Pages 27-44
Published: 1963
Released on J-STAGE: July 21, 2010

DOIhttps://doi.org/10.3769/radioisotopes.12.27

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Liquid Scintillaton Countng of ⁵⁵Fe and ⁵⁹Fe Doubly Labeled Sample and its Application to the Studies on the Gastrointestinal Absorption of Iron

Masao HATTORI, Teruo NAGAI

1963Volume 12Issue 1 Pages 45-54
Published: 1963
Released on J-STAGE: July 21, 2010

DOIhttps://doi.org/10.3769/radioisotopes.12.45

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A ³²P Beta-ray Applicator Utilizing Agar-agar

Chikara TAKEI, Satomi HAKARIYA

1963Volume 12Issue 1 Pages 55-59
Published: 1963
Released on J-STAGE: July 21, 2010

DOIhttps://doi.org/10.3769/radioisotopes.12.55

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A new ³²P beta-ray applicator devised by us consists of a thin film of agar-agar, which, after dissolving a certain amount of ³²P, is coagulated and cut into a shape conforming to the skin lesion to be treated.
The advantages of this method are as follows:
1. One can easily make an applicator with uniformly distributed radioactivity of any amount. As the radioactivity (μc/cm²) of each applicator can be easily obtained by the comparative measurement with G-M counter, the correct irradiated dose (μc·/cm²) will be calculated.
2. As this applicator is flexible and hardly torn, it can be attached closely to the affected skin. From our experiences its thickness of 4 to 10mg/cm² is convenient for use.
3. As the agar-agar film is transparent, it can be attached precise to the affected part.
Six to ten hours will be needed for making this applicator.

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[title in Japanese]

[in Japanese], [in Japanese]

1963Volume 12Issue 1 Pages 60-62
Published: 1963
Released on J-STAGE: July 21, 2010

DOIhttps://doi.org/10.3769/radioisotopes.12.60

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[title in Japanese]

[in Japanese]

1963Volume 12Issue 1 Pages 63-74
Published: 1963
Released on J-STAGE: July 21, 2010

DOIhttps://doi.org/10.3769/radioisotopes.12.63

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[title in Japanese]

[in Japanese]

1963Volume 12Issue 1 Pages 75-80
Published: 1963
Released on J-STAGE: July 21, 2010

DOIhttps://doi.org/10.3769/radioisotopes.12.75

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[title in Japanese]

[in Japanese]

1963Volume 12Issue 1 Pages 81-90
Published: 1963
Released on J-STAGE: July 21, 2010

DOIhttps://doi.org/10.3769/radioisotopes.12.81

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