Showing 281 - 300 results of 394 for search '"neutron"', query time: 0.06s Refine Results
  1. 281

    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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  2. 282

    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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  3. 283

    Absorption of a twisted photon by an electron in strong magnetic field by A. A. Shchepkin, D. V. Grosman, I. I. Shkarupa, D. V. Karlovets

    Published 2025-01-01
    “…Our findings can help to improve the understanding of the QED processes in critical fields, typical for astrophysical environments, e.g. magnetospheres of neutron stars.…”
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  4. 284

    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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  5. 285

    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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  6. 286

    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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  7. 287

    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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  8. 288
  9. 289

    Aspects of rotating anisotropic dark energy stars by O. P. Jyothilakshmi, Lakshmi J. Naik, V. Sreekanth

    Published 2024-12-01
    “…We also find that the dimensionless quadrupole moments of anisotropic dark energy stars corresponding to the canonical mass $${\bar{q}}_{1.4}$$ q ¯ 1.4 have a similar range of values as that of isotropic neutron stars and strange stars.…”
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  10. 290
  11. 291

    A comparative petrophysical evaluation of the Abu Roash, Bahariya, and Kharita reservoirs using well-logging data, East El-Fayoum, Egypt by Mohamed Osman Ebraheem, Hamza Ahmed Ibrahim, Ahmed Hosny Senosy

    Published 2025-01-01
    “…These logs are gamma-ray (GR), calliper, resistivity (RLA5, RLA3, and RXOZ), photoelectric effect (PEFZ), neutron (APLC), and density (RHOZ). These plots agree with the results deduced from the interpretation of lithologic logs. …”
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  12. 292

    Research Progress on High-Intermediate Frequency Extension Methods of SEA by Jintao Su, Ling Zheng, Zhaoxiang Deng, Yuhan Jiang

    Published 2019-01-01
    “…Second, SEA intermediate frequency extension technology (experimental statistical energy analysis (ESEA), finite element statistical energy analysis (FE-SEA), statistical modal energy distribution analysis (SMEDA), and waveguide analysis (WGA)) are introduced. Neutron structure assembly and modeling, interval and mixed interval analysis, interval variable and mixed interval variable response are also described, so as to justify the development of a hybrid, large-scale interval algorithm. …”
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  13. 293

    Preliminary Compositional Evidence of Provenance of Ceramics from Hatahara Archaeological Site, Central Amazonia by K. P. Nunes, R. G. Toyota, P. M. S. Oliveira, E. G. Neves, E. A. A. Soares, C. S. Munita

    Published 2013-01-01
    “…One hundred twenty four ceramic fragments and six clay samples from the Hatahara archaeological site in Amazonas state, Brazil, were analyzed using instrumental neutron activation analysis, INAA, to determine the concentration of twenty chemical elements: Ce, Co, Cr, Cs, Eu, Fe, Hf, K, La, Lu, Na, Nd, Rb, Sc, Ta, Tb, Th, U, Yb, and Zn. …”
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  14. 294
  15. 295

    Integrating petrophysical characterization and reservoir evaluation of the Kafr ELSheikh formation in Sapphire field, Nile Delta, Egypt by Naiem Souilam Sobih, Ahmed Ahmed El Nagar, Ali Elsayed Abbas, Samir Shehab

    Published 2025-02-01
    “…The study evaluates four wells—Sapphire 1, Sapphire-Da, Sapphire-Deep 1, and Sapphire-Dh—using well logs, including gamma ray, caliper, density, neutron, and resistivity, recorded in Las files. These wells are crucial for assessing the reservoir potential and development path of the Sapphire Field. …”
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  16. 296

    Sequence-variable attention temporal convolutional network for volcanic lithology identification based on well logs by Hanlin Feng, Zitong Zhang, Chunlei Zhang, Chengcheng Zhong, Qiaoyu Ma

    Published 2025-01-01
    “…Seven logging variables sensitive to lithological changes are selected, including compressional wave slowness, density, and compensated neutron logging, etc., to construct a lithology identification model using SVA-TCN. …”
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  17. 297

    Astrophysical insights into magnetic Penrose process around parameterized Konoplya–Rezzolla–Zhidenko black hole by Tursunali Xamidov, Sanjar Shaymatov, Pankaj Sheoran, Bobomurat Ahmedov

    Published 2024-12-01
    “…Additionally, we explore the astrophysical implications of the MPP by deriving the maximum energy of a proton escaping from the KRZ parameterized BH due to the beta decay of a free neutron near the horizon. Our results show that negative $$\delta _2$$ δ 2 values require stronger magnetic fields to achieve equivalent energy levels for high-energy protons, providing deeper insights into high-energy astrophysical phenomena around the parameterized BH.…”
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  18. 298

    Investigation and Assessment of the CFD for Horizontal Flow in the VHTR Core by Yan Shengyuan, Jean Luc Habiyaremye, Wei Yingying, Cong Chi Tran

    Published 2017-01-01
    “…Nevertheless, throughout the operation, the bypass flow might be a result of a change in graphite shape that is caused by neutron damage. Core bypass and cross flows are significant elements to consider since the cross gap set hurdles to the flow field that are capable of diverting sufficient amount of coolant from reactor core location and initiating a possible fuel overheating. …”
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  19. 299

    Discoloration Effects of High-Dose γ-Irradiation and Long-Term Thermal Aging of (U)HMW-PE by Anja Kömmling, Emmanouil Chatzigiannakis, Jörg Beckmann, Volker Wachtendorf, Kerstin von der Ehe, Ulrike Braun, Matthias Jaunich, Ulrich Schade, Dietmar Wolff

    Published 2017-01-01
    “…Two polyethylene types with ultra-high (UHMW-PE) and high molecular weight (HMW-PE) used as neutron radiation shielding materials in casks for radioactive waste were irradiated with doses up to 600 kGy using a 60Co gamma source. …”
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  20. 300

    High Energy X-Ray Detection by MicroPattern Gaseous Detector by Saeedeh Khezripour, Mohammad Reza Rezai Rayeni

    Published 2025-01-01
    “… Purpose: The paper aims to discuss the response of the Micro-Mesh Gaseous Structure (Micromegas) detector to high-energy X-ray with 2.3 MeV energy using photon to neutron converters in addition to optimization of the detector components by Monte Carlo simulation. …”
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