Zobrazeno 1 - 10
of 12
pro vyhledávání: '"Dmitri G, Medvedev"'
Autor:
Morgan B. Fox, Andrew S. Voyles, Jonathan T. Morrell, Lee A. Bernstein, Jon C. Batchelder, Eva R. Birnbaum, Cathy S. Cutler, Arjan J. Koning, Amanda M. Lewis, Dmitri G. Medvedev, Francois M. Nortier, Ellen M. O'Brien, Christiaan Vermeulen
Publikováno v:
Physical Review C. 104
$^{72}$As is a promising positron emitter for diagnostic imaging that can be employed locally using a $^{72}$Se generator. However, current reaction pathways to $^{72}$Se have insufficient nuclear data for efficient production using regional 100-200
Autor:
Valery, Radchenko, Jonathan W, Engle, Dmitri G, Medvedev, Joel M, Maassen, Cleo M, Naranjo, George A, Unc, Catherine A L, Meyer, Tara, Mastren, Mark, Brugh, Leonard, Mausner, Cathy S, Cutler, Eva R, Birnbaum, Kevin D, John, F Meiring, Nortier, Michael E, Fassbender
Publikováno v:
Nuclear medicine and biology. 50
Scandium-44g (half-life 3.97h) shows promise for application in positron emission tomography (PET), due to favorable decay parameters. One of the sources of
Publikováno v:
Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine. 101
This paper reports results of experiments at Brookhaven Linac Isotope Producer (BLIP) aiming to investigate effective production of positron emitting radioisotope (86)Y by the low energy (86)Sr(p,n) reaction. BLIP is a facility at Brookhaven National
Autor:
John B. Parise, Abraham Clearfield, Akhilesh Tripathi, Dmitri G. Medvedev, Aaron J. Celestian
Publikováno v:
Journal of Materials Science. 41:1325-1333
One of the most vexing problems facing the nuclear industry and countries with nuclear weapons is the safe disposal of the generated nuclear waste. Huge quantities of nuclear waste arising from weapons manufacture are stored at the Hanford and Savann
Autor:
Akhilesh Tripathi, Aaron J. Celestian, John B. Parise, Dmitri G. Medvedev, Abraham Clearfield
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 238:61-69
Observation of wide angle diffraction data collected in situ during synthesis of Na-CST (Na 2 Ti 2 O 3 SiO 4 · 2H 2 O) showed initial crystallization of a precursor phase (SNT) at 30 °C followed by conversion to CST after 1 h at 220 °C. In situ st
Publikováno v:
Journal of Solid State Chemistry. 178:253-261
The exchange of Sr2+ into the proton form of the ion exchanger Na2Ti2O3(SiO4)·2H2O was examined by means of X-ray powder diffractometry. This material has a sitinakite framework structure enclosing a tunnel parallel to the c-axis. At the 25% Sr2+ ex
Autor:
Aaron J. Celestian, Jonathan C. Hanson, Abraham Clearfield, John B. Parise, Akhilesh Tripathi, Dmitri G. Medvedev
Publikováno v:
Chemistry of Materials. 16:3659-3666
Titanium silicate (TS) with sitinakite topology and composition Na2Ti2O3SiO4·2H2O has received considerable attention because of its high ion-exchange selectivity toward cesium and strontium. In this paper we report the results of the studies of the
Publikováno v:
Journal of Solid State Chemistry. 177:2903-2915
Titanosilicates with complete or partial substitution of Ge or Nb in the framework and having the mineral pharmacosiderite topology were hydrothermally prepared and their ion-exchange properties towards Cs were studied for Ti/Ge/Si, Ti/Si, Nb/Ti/Si a
Publikováno v:
Journal of Solid State Chemistry. 175:72-83
The 25% niobium substituted crystalline titanosilicate with the composition Na 1.5 Nb 0.5 Ti 1.5 O 3 SiO 4 ·2H 2 O (Nb–TS) was synthesized under hydrothermal conditions. Its selectivity for radioactive 137 Cs and 89 Sr was compared with the TS, Na
Publikováno v:
Inorganic chemistry. 43(23)
DOTP (1,4,7,10-tetrakis(methylenephosphonic acid)-1,4,7,10-tetraazacyclododecane) was reacted hydrothermally with MnCl(2).2H(2)O and Ni(NO(3))(2).6H(2)O resulting in two structurally different compounds. Mn[C(3)NH(7)(PO(3)H(0.5))](4) crystallizes in