Zobrazeno 1 - 10
of 84
pro vyhledávání: '"D. Plostinaru"'
Autor:
M. Ivascu, M. Radulescu, L. Marinescu, Eckehart Nolte, C. Stan-Sion, D. Catana, D. Plostinaru
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 172:29-33
A new beam line and injector deck for AMS measurements have been built at the 8 MV tandem accelerator of the National Institute of Nuclear Physics and Engineering, Bucharest, Romania. The main components on the low-energy side are a high-current cesi
Publikováno v:
Journal of Radioanalytical and Nuclear Chemistry. 242:777-781
Quantitative analyses of various silver coins from the first century BC, found on current Romanian territory (Thasian tetradrachmae, Apollonia and Dyrrachium drachmae, Roman republican denarii) were performed using PIXE (3 MeV external proton beam) a
Publikováno v:
Materials Science Forum. :197-200
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 93:326-329
The improvement of running-in programs for internal combustion engines by using the thin layer activation technique is presented. The wear was measured as function of time, simultaneously for cylinder walls and piston rings.
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 93:330-333
Two new extensions of the TLA-direct measuring method are presented: the TLA-markers for wear control and the nuclear scanning method for monitoring wear non-uniformity on large surfaces. Both methods were applied to measure the material loss on the
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 85:293-296
The field of cyclotron applications could include ion beam characterization of materials. The energy range of beam particles is lowered using the subharmonic mode of acceleration. The typical lack of versatility in energy control is compensated by an
Publikováno v:
Hyperfine Interactions. 77:111-117
The electric quadrupole coupling constant of the 7+ 350.8 keV isomeric state in112In has been measured by the TDPAD method in the polycrystalline metallic Cd lattice at 489 K. The determined quadrupole moment |Q| (7+)=103(3) fm2 was compared with the
Publikováno v:
Physical Review C. 79
The electric quadrupole interaction of {sup 209}Po high spin isomers in a Bi single crystal has been investigated by the time-differential perturbed angular distribution (TDPAD) technique. A two-level analysis procedure for the 17/2{sup -}and 13/2{su
Publikováno v:
Journal of Radioanalytical and Nuclear Chemistry Articles. 151:261-270
The potential of the INAA and PIXE methods for the detection of mineral microelement changes in pathological human blood serum has been evaluated on nine cases of different hemopathies. These included hereditary hemolytic anemias (thalassemia, sickle
Publikováno v:
Journal of Radioanalytical and Nuclear Chemistry Letters. 144:429-437
Results of post-Chernobyl measurement on some foodstuff samples /eggs, meat, fruit, honey, medicinal herbs/ from South-Eastern Roumania are presented. Gamma-ray spectrometry was used; the radioactive concentration values are given in nCi.kg−1 “we