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Wyszukujesz frazę "CTBT" wg kryterium: Temat


Tytuł:
Contribution of the IMS global network of hydroacoustic stations for monitoring the CTBT
Autorzy:
Bitnner, P.
Jonathan, E.
Villarroel, M.
Powiązania:
https://bibliotekanauki.pl/articles/331513.pdf
Data publikacji:
2008
Wydawca:
Polskie Towarzystwo Akustyczne
Tematy:
CTBT
IMS
hydroacoustics
Opis:
The International Monitoring System (IMS) of the Comprehensive Nuclear-Test-Ban Treaty Organization (CTBTO) Preparatory Commission, in Vienna operates a global network of 321 monitoring stations and 16 radionuclide laboratories that monitors the earth for evidence of nuclear explosions within the atmosphere, underwater and underground. The IMS uses a network of four verification technologies: seismic, hydroacoustic, infrasound and radionuclide. All the data recorded by the IMS network are transmitted to the International Data Centre (IDC) of the CTBTO in Vienna. The data are then received, processed, resulting data and products distributed and archived by the IDC. This study will give an overview of the contribution of the IMS hydroacoustic network and will highlight that for areas not well covered with the seismic network this part of the IMS can be very valuable for detecting events, improving the location obtained from the seismic network and providing information about the nature of sources.
Źródło:
Hydroacoustics; 2008, 11; 19-26
1642-1817
Pojawia się w:
Hydroacoustics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Technical preparations for atmospheric radioactivity monitoring
Autorzy:
Miyamoto, Y.
Oda, T.
Adachi, T.
Noguchi, H.
Nishimura, H.
Usuda, S.
Powiązania:
https://bibliotekanauki.pl/articles/147567.pdf
Data publikacji:
2001
Wydawca:
Instytut Chemii i Techniki Jądrowej
Tematy:
airborne dust
background activity
CTBT
environmental radioactivity
nuclear explosion
radionuclide monitoring
Opis:
To evaluate the suitability of a location for a radionuclide monitoring station of the Comprehensive Nuclear-Test-Ban Treaty (CTBT) at Takasaki, Japan, the assessment was done in terms of the concentration of natural background radioactive nuclides in airborne dust and soil samples. The samples were taken four times at the proposed site and several points around the site, then their radioactivities were measured by gamma-ray spectrometry. For the airborne dust samples, only natural background radionuclides: 212Pb, 7Be and 214Pb were detected. The radioactivity concentrations of these radionuclides varied in four sampling periods but were almost the same as the previous measurements. For the soil samples, the concentration of an anthropogenic radionuclide, 137Cs, fluctuated among the different sampling points and periods, but the concentration of 40K was constant. These concentrations were 2 to 3 times lower than those of the soil taken at JAERI Tokai. Based on these results, the proposed site was evaluated and has been accepted by the CTBT Organization as a CTBT radionuclide monitoring station.
Źródło:
Nukleonika; 2001, 46, 4; 123-126
0029-5922
1508-5791
Pojawia się w:
Nukleonika
Dostawca treści:
Biblioteka Nauki
Artykuł

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