Mostrando 741 - 760 Resultados de 9,203 Para Buscar '"neutrones"', tiempo de consulta: 0.32s Limitar resultados
  1. 741
    “…This article gives general information about neutron crystallography and shows specific examples of how the method has contributed to structural biology, structure-based drug design; and the understanding of fundamental questions of reaction mechanisms.…”
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  2. 742
    “…Neutron scattering applications often require discriminating the elastic contribution from the inelastic contribution. …”
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  3. 743
    por Bijnens, Johan, Kofoed, Erik
    Publicado 2017
    “…We construct the Chiral Perturbation Theory operators for neutron–antineutron oscillations and use these to estimate chiral and finite volume corrections at one-loop order.…”
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  4. 744
    “…Existing state-of-the-art technologies for neutron-based methods are currently being applied to the study of objects of historical and cultural interest in several neutron-beam facilities around the world. …”
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  5. 745
    “…The development of appropriate materials for fusion reactors that can sustain high neutron fluence at elevated temperatures remains a great challenge. …”
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  6. 746
    “…On the other hand, the unusually high concentration of intermediates and products in the sorbent facilitates the use of inelastic neutron scattering (INS) spectroscopy. Despite being a post-mortem method, the INS data revealed the change of the reaction path during sorption catalysis. …”
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  7. 747
  8. 748
    “…The use of neutron crystallography is still limited for proteins, but its popularity is increasing owing to an increase in the number of diffractometers for structural biology at neutron facilities and advances in sample preparation. …”
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  9. 749
    “…In this research, powder metallurgy was used to incorporate boron nanosheets into metal matrix composites to create boron dispersion-enhanced copper matrix composites. The neutron-absorption characteristics of composite materials were investigated, as well as the link between neutron-absorption cross-section and neutron energy. …”
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  10. 750
    por Castillo Jiménez, Jorge
    Publicado 2006
    Tesis Libro
  11. 751
  12. 752
  13. 753
  14. 754
    por Cook, Jeremy C.
    Publicado 2014
    “…Following a brief introduction, the Neutron Resonance Spin-Echo (NRSE) principle is discussed classically in Sec. 2. …”
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  15. 755
    por Komives, A., Sint, A. K., Bowers, M., Snow, M.
    Publicado 2005
    “…A measurement of the parity-violating gamma asymmetry in n-D capture would yield information on N-N parity violation independent of the n-p system. Since cold neutrons will depolarize in a liquid deuterium target in which the scattering cross section is much larger than the absorption cross section, it will be necessary to quantify the loss of polarization before capture. …”
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  16. 756
    por Thellier, Michel, Ripoll, Camille
    Publicado 2006
    “…NCR (neutron capture radiography) may be used successfully for the imaging of one of the stable isotopes of a few chemical elements (especially Li and B, possibly also N, O, and others) and for labelling experiments using these stable isotopes. …”
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  17. 757
    “…BACKGROUND: The amount of average dose enhancement in tumor loaded with (10)B may vary due to various factors in boron neutron capture therapy OBJECTIVE: This study aims to evaluate dose enhancement in tumor loaded with (10)B under influence of various factors and investigate the dependence of this dose enhancement on neutron spectra changes MATERIAL AND METHODS: In this simulation study, using (252)Cf as a neutron source, the average in-tumor dose enhancement factor (DEF) and neutron energy spectra were calculated for various (10)B concentrations, phantom with different sizes and for different tumor locations, through MCNPX code. …”
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  18. 758
    “…Prompt fission neutron spectra in the neutron-induced fission of 239Pu have been measured for incident neutron energies from 1 to 200 MeV at the Los Alamos Neutron Science Center. …”
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  19. 759
    por Paradela, C, Tassan-Got, L, Audouin, L, Berthier, B, Duran, I, Ferrant, L, Isaev, S, Le Naour, C, Stephan, C, Tarrio, D, Trubert, D, Abbondanno, U, Aerts, G, Alvarez, H, Alvarez-Velarde, F, Andriamonje, S, Andrzejewski, J, Assimakopoulos, P, Badurek, G, Baumann, P, Becvar, F, Berthoumieux, E, Calvino, F, Calviani, M, Cano-Ott, D, Capote, R, Carrapico, C, Cennini, P, Chepel, V, Chiaveri, E, Colonna, N, Cortes, G, Couture, A, Cox, J, Dahlfors, M, David, S, Dillmann, I, Domingo-Pardo, C, Dridi, W, Eleftheriadis, C, Embid-Segura, M, Ferrari, A, Ferreira-Marques, R, Fujii, K, Furman, W, Goncalves, I, Gonzalez-Romero, E, Gramegna, F, Guerrero, C, Gunsing, F, Haas, B, Haight, R, Heil, M, Herrera-Martinez, A, Igashira, M, Jericha, E, Kadi, Y, Kappeler, F, Karadimos, D, Karamanis, D, Kerveno, M, Koehler, P, Kossionides, E, Krticka, M, Lampoudis, C, Leeb, H, Lindote, A, Lopes, I, Lozano, M, Lukic, S, Marganiec, J, Marrone, S, Martinez, T, Massimi, C, Mastinu, P, Mengoni, A, Milazzo, P M, Moreau, C, Mosconi, M, Neves, F, Oberhummer, H, O'Brien, S, Oshima, M, Pancin, J, Papachristodoulou, C, Papadopoulos, C, Patronis, N, Pavlik, A, Pavlopoulos, P, Perrot, L, Pigni, M T, Plag, R, Plompen, A, Plukis, A, Poch, A, Praena, J, Pretel, C, Quesada, J, Rauscher, T, Reifarth, R, Rubbia, C, Rudolf, G, Rullhusen, P, Salgado, J, Santos, C, Sarchiapone, L, Savvidis, I, Tagliente, G, Tain, J L, Tavora, L, Terlizzi, R, Vannini, G, Vaz, P, Ventura, Alberto, Villamarin, D, Vincente, M C, Vlachoudis, V, Vlastou, R, Voss, F, Walter, S, Wiescher, M, Wisshak, K
    Publicado 2010
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  20. 760
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