Showing 381 - 394 results of 394 for search '"neutron"', query time: 0.04s Refine Results
  1. 381

    Nucleosynthesis in the Cosmos: What we think we know and forthcoming questions by Salvador Galindo Uribarri, Jorge L. Cervantes-Cota

    Published 2022-01-01
    “…Se formula una prospectiva crítica sobre investigaciones futuras que permitirán validar, modificar o rechazar hipótesis hechas, las cuales involucrarán observaciones conjuntas que abarcan mediciones más finas de radiación cósmica de fondo, cúmulos de galaxias y de ondas gravitacionales producidas por choques de estrellas de neutrones. La información obtenida se combinará con restricciones dadas por modelos teóricos. …”
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    Article
  2. 382

    Ludwig: A Training Simulator of the Safety Operation of a CANDU Reactor by Gustavo Boroni, Alejandro Clausse

    Published 2011-01-01
    “…A comprehensive set of online graphical displays are provided giving an in-depth understanding of transient neutronic and thermal hydraulic response of the power plant. …”
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    Article
  3. 383

    Influence of elevated temperature exposure on the residual compressive strength and radiation shielding efficiency of ordinary concrete incorporating granodiorite and ceramic powde... by Alaa A. Mahmoud, Alaa A. El-Sayed, Ayman M. Aboraya, Islam N. Fathy, Mohamed A. Abouelnour, Maged E. Elfakharany, Mohy S. Fattouh, Abdelmoniem E. Alahmer, Islam M. Nabil

    Published 2025-01-01
    “…Thus, the studied CM-concrete samples provide the best protection against fast neutrons which pave the way for the utilization of industrial waste, especially ceramic and granodiorite waste, in enhancing the properties of concrete towards radiation shielding against gamma rays and neutrons.…”
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    Article
  4. 384

    About the theory of relativity by V. Y. Stetsenko

    Published 2023-09-01
    “…Photons, electrons, protons, neutrons move in space in helical spirals. The equations of the special theory of relativity are not applicable to particles that have particle‑wave properties. …”
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    Article
  5. 385

    Prospects for Studies of the Free Fall and Gravitational Quantum States of Antimatter by G. Dufour, D. B. Cassidy, P. Crivelli, P. Debu, A. Lambrecht, V. V. Nesvizhevsky, S. Reynaud, A. Yu. Voronin, T. E. Wall

    Published 2015-01-01
    “…In the ultimate limit of smallest vertical velocities, antihydrogen atoms are settled in gravitational quantum states in close analogy to ultracold neutrons (UCNs). Positronium is another neutral system involving antimatter for which free fall under gravity is currently being investigated at UCL. …”
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  6. 386

    Efecto de la concentración de silicio en suelo sobre el rendimiento agrícola en cultivos de frutilla Fragaria × ananassa (Duchesne ex Weston) Duchesne ex Rozier en Areguá, Pirayú,... by Fernando Garcete, Luz Bóveda, María Leticia Montiel, Jonny Toledo, Ana Aguilar Rabito, Daisy Ramírez, Boris Michajluk Barboza

    Published 2024-12-01
    “…La cuantificación del silicio en el suelo se realizó mediante la técnica de análisis por activación neutrónica empleando una fuente isotópica de neutrones de Americio-Berilio con flujo de neutrones de 5,0.107 ns-1cm-2, un detector de centelleo de ioduro de sodio de 2” x 2” acoplado a una tarjeta multicanal Accuspec y un estándar de silicio de procedencia alemana, con 97,5% de pureza. …”
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    Article
  7. 387

    A Simple Formula for Local Burnup and Isotope Distributions Based on Approximately Constant Relative Reaction Rate by Cenxi Yuan, Xuming Wang, Shengli Chen

    Published 2016-01-01
    “…The present method considers two extreme conditions of neutrons penetrating the fuel rod. Based on these considerations, the formula is obtained to calculate the reaction rates of 235U, 238U, and 239Pu and straightforward the local burnup and the isotope distributions. …”
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    Article
  8. 388

    Comparative Analysis of the Dalat Nuclear Research Reactor with HEU Fuel Using SRAC and MCNP5 by Giang Phan, Hoai-Nam Tran, Kien-Cuong Nguyen, Viet-Phu Tran, Van-Khanh Hoang, Pham Nhu Viet Ha, Hoang Anh Tuan Kiet

    Published 2017-01-01
    “…Neutronics analysis has been performed for the 500 kW Dalat Nuclear Research Reactor loaded with highly enriched uranium fuel using the SRAC code system. …”
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    Article
  9. 389

    Numerical Simulation of Water-Based Alumina Nanofluid in Subchannel Geometry by Mohammad Nazififard, Mohammadreza Nematollahi, Khosrow Jafarpur, Kune Y. Suh

    Published 2012-01-01
    “…Coupled thermohydrodynamic and neutronic investigations are further needed to streamline the nanoparticles and to optimize their concentration.…”
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    Article
  10. 390

    Access and sustainment of ELMy H-mode operation for ITER pre-fusion power operation plasmas using JINTRAC by E. Tholerus, L. Garzotti, V. Parail, Y. Baranov, X. Bonnin, G. Corrigan, F. Eriksson, D. Farina, L. Figini, D.M. Harting, S.H. Kim, F. Koechl, A. Loarte, E. Militello Asp, H. Nordman, S.D. Pinches, A.R. Polevoi, P. Strand

    Published 2025-01-01
    “…Hydrogen or helium plasma discharges are used exclusively in these stages to ensure negligible production of neutrons from fusion reactions. With the expected higher L–H power threshold of hydrogen and helium plasmas compared to corresponding D and D/T plasmas, it is uncertain whether available auxiliary power systems are sufficient to operate in stable type-I ELMy H-mode. …”
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  11. 391

    Novel approach to enhance the efficiency of mortar against radiations by co-incorporation of lead and boron compounds with calcium chloride by Hussein Al-kroom, Ahmed S. Ouda, Wageeh Ramadan, Mahmoud Gharieb, Mudar Hamsho, Hamdy A. Abdel-Gawwad

    Published 2025-01-01
    “…Also, formulation incorporating 0.5% borax with 0.5% CaCl2 had superior attenuation against neutrons compared to other competitors.…”
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    Article
  12. 392

    Theoretical Study of the Quadruple Gamma Transitions of Radioactive Radon and Radium Isotopes Based on Half-Life by Duaa Abed Salim, Waleed Jabbar Mhana, Hadeel Ghali Ishnayin, Khalid Hadi Mahdi

    Published 2024-12-01
    “…Objective: By studying these gamma transitions, we hope to get more insight into the behavior of protons and neutrons within the nucleus as well as the fundamental forces governing their interactions. …”
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  13. 393

    Efecto del manejo de un cultivo de soja en siembra directa sobre el microambiente edáfico y su incidencia sobre la nodulación by B. Bonel, M. Costanzo, S. Toresani, E. Gómez

    Published 2005-01-01
    “…Se evaluó la evolución de la humedad de suelo en el estrato 0 - 15 cm por el método gravimétrico en 1996/97 y con sonda de neutrones en 1998/99 y se determinó el consumo de agua hasta los 92 cm el primer año y hasta los 200 cm el segundo año en S R2 y R2 R5. …”
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  14. 394

    First-principles calculations for the effect of irradiation-induced point defects on the hydrogen dissolution and diffusion in γ-Al2O3 by Xin-Dong Pan, Xiao-Chun Li, Jing Wang, Rongmei Yu, Chunying Pu, Hai-Shan Zhou, Guang-Nan Luo

    Published 2025-03-01
    “…In fusion reactors, high-energy neutrons generate a large number of irradiation-induced defects, significantly affecting the performance of γ-Al2O3. …”
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