Showing 201 - 220 results of 302 for search '"neutron"', query time: 0.04s Refine Results
  1. 201

    XÁC ĐỊNH ĐƯỜNG CONG HIỆU SUẤT TUYỆT ĐỐI CỦA HỆ PHỔ KẾ NƠTRON-GAMMA TỨC THỜI TRÊN DẢI NĂNG LƯỢNG TỪ 100 KEV ĐẾN 10 MEV by Mai Xuân Trung, Nguyễn Chí Dũng

    Published 2013-12-01
    “…Trong phân tích kích hoạt nơtron-gamma tức thời (prompt gamma neutron activation analysis (PGNAA)), việc xác định đường cong hiệu suất ghi của đỉnh năng lượng trên dải năng lượng từ 100 keV đến 10 MeV cũng như việc đánh giá sai số của giá trị hiệu suất trên miền năng lượng này là một yêu cầu thiết thực, nhằm để phân tích định lượng được các thành phần nguyên tố trong mẫu phân tích. …”
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  2. 202

    Measurements of stable ruthenium fission products in nuclear reactor fuel samples by Genna M. Patton, Zachary A. Torrano, Amanda Salazar, Jeffrey Miller, Matthew E. Sanborn, Susan K. Hanson

    Published 2025-02-01
    “…The measured Ru ratios clearly comprise inputs from both fission and neutron capture reactions. These measurements serve as important experimental validation of previous theoretical studies suggesting that Ru isotope ratios reflect the burnup of nuclear fuel and could be used to distinguish between reactor types.…”
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  3. 203

    Renormalized Phonon Microstructures at High Temperatures from First-Principles Calculations: Methodologies and Applications in Studying Strong Anharmonic Vibrations of Solids by Tian Lan, Zhaoyan Zhu

    Published 2016-01-01
    “…These models have been successfully performed in the studies on the temperature-dependent broadenings of Raman and neutron scattering spectra, high temperature phase stability, and negative thermal expansion of rutile and cuprite structures, for example.…”
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  4. 204

    Temperature Dependence of Electrical Properties and Crystal Structure of 0.29Pb(In1/2Nb1/2)O3–0.44Pb(Mg1/3Nb2/3)O3–0.27PbTiO3 Single Crystals by Qian Li, Yun Liu, Andrew Studer, Zhenrong Li, Ray Withers, Zhuo Xu

    Published 2013-01-01
    “…We characterized the temperature dependent (~25–200°C) electromechanical properties and crystal structure of Pb(In1/2Nb1/2)O3-Pb(Mg1/3Nb2/3)O3-PbTiO3 single crystals using in situ electrical measurement and neutron diffraction techniques. The results show that the poled crystal experiences an addition phase transition around 120°C whereas such a transition is absent in the unpoled crystal. …”
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  5. 205

    Development and Validation of a Three-Dimensional Diffusion Code Based on a High Order Nodal Expansion Method for Hexagonal-z Geometry by Daogang Lu, Chao Guo

    Published 2016-01-01
    “…This code is used for calculation of effective multiplication factor, neutron flux distribution, and power distribution. …”
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  6. 206

    The Bushland, Texas, maize evapotranspiration, growth, and yield dataset Collection by Steven R. Evett, Gary W. Marek, Paul D. Colaizzi, Karen S. Copeland, Brice B. Ruthardt, Terry A. Howell

    Published 2025-02-01
    “…Soil water content data from calibrated neutron probe readings is presented on a periodic basis. …”
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  7. 207

    A Combined Method for Predicting the Boron Deposited Mass and the CIPS Risk by Shengzhe Li, Dongmei Yang, Tengfei Zhang, Xiaojing Liu

    Published 2019-01-01
    “…In this article, thermal-hydraulic subchannel code and boron deposit model have been combined to analyze the CIPS risk. The neutronics codes deal with the generation of homogenized neutron cross section as well as the calculation of local power factor. …”
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  8. 208

    COG 11.3 New Features by Heinrichs David, Lent Edward, Lee Chuck

    Published 2025-01-01
    “…This paper describes the major new features available in COG 11.3 including: (a) updated nuclear data libraries; (b) updated activation data; (c) advanced LLNL Fission Reaction Event Yield Algorithm; (d) new time-tagged list-mode detector feature; (e) new spontaneous fission source feature; (f) new alpha and deuteron particle transport; (g) updated electron transport (implementing EGS5 with internal electron library generation using PEGS5); (h) three new estimators for the effective delayed neutron fraction; (i) new input pre-processor options for user-friendly generation of three-dimensional rectangular and triangular lattice geometries; (j) new parallel-processing capabilities for the inverse reactor period and CritDetVR features using MPI; (k) a new imaging detector feature; and (l) details of the modernized COG website at https://cog.llnl.gov. …”
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  9. 209

    Unified study of viscoelasticity and sound damping in hard and soft amorphous solids by Hideyuki Mizuno, Kuniyasu Saitoh, Yusuke Hara, Atsushi Ikeda

    Published 2025-01-01
    “…Our theory can explain acoustic properties of structural glasses, which have been measured experimentally with light, inelastic X-ray, and neutron scattering techniques, on one hand, and viscoelastic properties of foams and emulsions, which have been measured by various macrorheology and microrheology techniques, on the other. …”
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  10. 210
  11. 211

    Perturbation Theory-Based Whole-Core Eigenvalue Sensitivity and Uncertainty (SU) Analysis via a 2D/1D Transport Code by Ji Ma, Chen Hao, Lixun Liu, Yuekai Zhou

    Published 2020-01-01
    “…Based on the home-developed 3D high-fidelity neutron transport code HNET, the perturbation theory was used to directly calculate the sensitivity coefficient of keff to the multigroup cross sections, and a reasonable relative covariance matrix with a specific energy group structure was generated directly from the evaluated covariance data by using the transforming method. …”
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  12. 212
  13. 213

    NETWORK VIRTUALIZATION PERFORMANCE ANALYSIS ON OPENSTACK CLOUD COMPUTING INFRASTRUCTURES by Võ Nhân Văn, Lê Minh Chí, Nguyễn Quốc Long, Lê Đắc Nhường

    Published 2016-06-01
    “…This paper does a research on network performance on OpenStack network module code named Neutron. The parameters in virtualization network of OpenStack related to network performance such as throughput, package loss, time and delay of data transmission are estimated through UDP protocol using IPERF benchmarking tool. …”
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  14. 214

    Tritium Breeding Performance Analysis of HCLL Blanket Fusion Reactor Employing Vanadium Alloy (V-5Cr-5Ti) as First Wall Material by Indah Rosidah Maemunah, Zaki Su’ud, Abdul Waris, Dwi Irwanto

    Published 2022-01-01
    “…Neutronic analysis in the HCLL blanket module has been established, and the calculation was performed by the ITER team, including the first wall (FW). …”
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  15. 215

    Logging Response Mechanism and Content Evaluation of Laumontite-Bearing Glutenite Reservoir: A Case Study of Lower Urho Formation of Permian of the Junggar Basin by Jia Jun, Xue Kunlin, Ni Liping, Luo Yang, Liu Yuchao

    Published 2024-01-01
    “…Since laumontite exhibits a water-bearing framework structure with numerous micropores and crystal water, the laumontite-bearing glutenite reservoirs are characterized by low natural gamma radiation, low density, high neutron porosity, and high electrical resistivity. …”
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  16. 216

    Analysis of NEA-NSC PWR Uncontrolled Control Rod Withdrawal at Zero Power Benchmark Cases with NODAL3 Code by Tagor Malem Sembiring, Surian Pinem, Peng Hong Liem

    Published 2017-01-01
    “…The in-house coupled neutronic and thermal-hydraulic (N/T-H) code of BATAN (National Nuclear Energy Agency of Indonesia), NODAL3, based on the few-group neutron diffusion equation in 3-dimensional geometry using the polynomial nodal method, has been verified with static and transient PWR benchmark cases. …”
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  17. 217

    PWR Containment Shielding Calculations with SCALE6.1 Using Hybrid Deterministic-Stochastic Methodology by Mario Matijević, Dubravko Pevec, Krešimir Trontl

    Published 2016-01-01
    “…The sources of ionizing radiation included fission neutrons and photons from the reactor and photons from the activated primary coolant. …”
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  18. 218

    Fast ion confinement in quasi-axisymmetric stellarator equilibria by P.J. Bonofiglo, D.W. Dudt, C.P.S. Swanson

    Published 2025-01-01
    “…Analysis for NBI ions within Thea Energy’s conceptual Eos neutron source are presented along with alpha particles in an enlarged DT-plasma. …”
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  19. 219

    The Dilution Dependency of Multigroup Uncertainties by M. R. Ball, C. McEwan, D. R. Novog, J. C. Luxat

    Published 2014-01-01
    “…It was found that the covariance of problem-dilution multigroup parameters for selected neutron cross-sections can vary significantly from their infinite-dilution counterparts.…”
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  20. 220

    Fluid Flow and Heat Transport Computation for Power-Law Scaling Poroperm Media by Peter Leary, Peter Malin, Rami Niemi

    Published 2017-01-01
    “…The modelling schema is (i) 3D global mesh for spatially correlated stochastic poropermeability; (ii) ambient percolation flow calibrated by well-core porosity-controlled permeability; (iii) advection via fault-like structures calibrated by well-log neutron porosity; (iv) flow Pe ~ 0.5 in ambient crust and Pe ~ 5 for fault-borne advection.…”
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