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CROSS-SECTION: 作品数：276被引量：366H指数：9; 导出分析报告; 相关领域：理学更多>>; 相关作者：张卫国蒋玉龙屈新萍李炳宗茹国平更多>>; 相关机构：清华大学钢铁研究总院复旦大学交通运输部更多>>; 相关期刊：更多>>; 相关基金：国家自然科学基金国家重点基础研究发展计划河南省自然科学基金中国航空科学基金更多>>

Study of true coincidence summing effects on FEP efficiency of HPGe detectors during decay measurements at HIRFL: 《Nuclear Science and Techniques》2025年第5期70-78,共9页Peng-Song Zheng Fu-Rong Shi Sunil Dutt Ya-Ling Zhang Yan-Shi Zhang Wei Wang Guang-Shun Li Si-Cheng Wang Hao-Ran Yang Jin-Qi He Peng-Cong Ma Jilehu Gada Xin Ma Fan-Fei Zeng Hao Huang Chen-Sheng Gao Jian-Guo Wang; supported by the Natural Science Foundation of Gansu Province(No.22JR5RA118);the National Natural Science Foundation of China(Nos.12121005 and U1932138);the Strategic Priority Research Program of the Chinese Academy of Sciences(No.XDB34010000)。; The measurement of low-level radioactivity using high-purity germanium(HPGe)detectors is important in applications such as environmental background radiation,material screening,and rare decays.The dead layers,dead zon...; 关键词：Coaxial HPGe detector Detector characterization GEANT4 simulation Sum-peak Analytical approach Transfer reaction cross-section

Microstructure evolution of K439B Ni-based superalloy casting with varying cross-sections by experiments and simulations: 《Transactions of Nonferrous Metals Society of China》2025年第4期1182-1196,共15页Da-shan SUI De-peng ZHOU Yang LIU Yu SHAN An-ping DONG; supported by the National Science and Technology Major Project of China(No.J2019-VI-0004-0117)。; Casting experiments and macro-micro numerical simulations were conducted to examine the microstructure characteristics of K439B nickel-based superalloy casting with varying cross-sections during the gravity investment...; 关键词：K439B nickel-based superalloy cellular automaton cellular automaton finite element method varying cross-section investment casting microstructure evolution

An Investigation into Dust Migration Patterns in Small-Section Tunnels and Large Steep-Sloped Inclined Shafts: 《Fluid Dynamics & Materials Processing》2025年第3期555-571,共17页Baoli Zang Liyang Shao Yang Li Hao Ran Liangwen Wei; supported by the National Natural Science Foundation of China under the Youth Project(Grant No.52204087);Additional support was provided by the Science and Technology Research Program of the Chongqing Municipal Education Commission(Grant No.KJQN202200746).; This study focuses on addressing ventilation and dust removal challenges during the construction of small-section tunnels using drilling and blasting techniques.Specifically,the research examines the shale gas gatheri...; 关键词：Small cross-section tunnels tunnel ventilation dust movement patterns

Enhancing reliability in photonuclear cross-section fitting with Bayesian neural networks: 《Nuclear Science and Techniques》2025年第3期146-156,共11页Qian-Kun Sun Yue Zhang Zi-Rui Hao Hong-Wei Wang Gong-Tao Fan Hang-Hua Xu Long-Xiang Liu Sheng Jin Yu-Xuan Yang Kai-Jie Chen Zhen-Wei Wang; supported by National key research and development program(No.2022YFA1602404);the National Natural Science Foundation of China(Nos.12388102,12275338,12005280);the Key Laboratory of Nuclear Data foundation(No.JCKY2022201C152)。; This study investigates photonuclear reaction(γ,n)cross-sections using Bayesian neural network(BNN)analysis.After determining the optimal network architecture,which features two hidden layers,each with 50 hidden node...; 关键词：Photoneutron reaction Bayesian neural network Machine learning Gamma source SLEGS

Measurement and Analysis of Radar-Cross-Section of UAV at 21-26 GHz Frequency Band: 《ZTE Communications》2025年第1期107-114,共8页AN Hao LIU Ting HE Danping MA Yihua DOU Jianwu; supported by ZTE Industry-University-Institute Cooperation Funds under Grant No.HC-CN-20220622006。; With the emergence of the 6G technology,integrated sensing and communication(ISAC)has become a hot-spot vertical application.The low-altitude scenario is considered to be a significant use case of the ISAC.However,the...; 关键词：unmanned aerial vehicle radar-cross-section integrated sensing and communication anechoic chamber measurement

Changes in River Cross-section Morphology and Response to Streamflow and Sediment Processes in Middle Reaches of Yellow River,China: 《Chinese Geographical Science》2025年第1期161-174,共14页WEN Yongfu LI Pengfei LI Mengzhen MA Chaohui GAO Peng MU Xingmin ZHAO Guangju; Under the auspices of the National Natural Science Foundation of China(No.42277354,U2243211);Fundamental Research Funds for the Hebei University of Water Resources and Electric Engineering(No.SYKY2113);Science Research Project of Hebei Education Department(No.QN2025293)。; Changes in river cross-section morphology have decisive influences on the flood discharge and sand transport capacity of rivers;thus,these changes strongly reflect the vitality of a river.In this paper,based on the ri...; 关键词：cross-section shape riverbed elevation water depth streamflow sediment discharge eco-restoration Longmen station middle reaches of the Yellow River China

Cross-section design of the flow channels in membrane electrode assembly electrolyzer for CO_(2) reduction reaction through numerical simulations: 《Chinese Chemical Letters》2025年第1期332-337,共6页Lili Zhang Hui Gao Gong Zhang Yuning Dong Kai Huang Zifan Pang Tuo Wang Chunlei Pei Peng Zhang Jinlong Gong; the National Key R&D Program of China(No.2021YFA1501503);the National Natural Science Foundation of China(Nos.22250008,22121004,22108197);the Haihe Laboratory of Sustainable Chemical Transformations(No.CYZC202107);the Natural Science Foundation of Tianjin City(No.21JCZXJC00060);the Program of Introducing Talents of Discipline to Universities(No.BP0618007);the Xplorer Prize for financial support。; Membrane electrode assembly(MEA)is widely considered to be the most promising type of electrolyzer for the practical application of electrochemical CO_(2) reduction reaction(CO_(2)RR).In MEAs,a square-shaped cross-sec...; 关键词：Electrochemical reduction of CO_(2) Membrane electrode assembly Mass transfer Gas diffusion electrode Computational fluid dynamics

Neutrino Masses Prediction: 《Journal of High Energy Physics, Gravitation and Cosmology》2024年第4期1367-1379,共13页Radomir Majkic; Despite the vast theoretical and experimental knowledge about neutrino physics: neutrino oscillation, neutrino astrophysics, as today, there is no theory to offer the neutrino rest mass number. This paper is not a the...; 关键词：Interaction Probability CROSS-SECTION Interaction Potential Minimal Coupling

Reconstruction of lithofacies using a supervised Self-Organizing Map:Application in pseudo-wells based on a synthetic geologic cross-section: 《Artificial Intelligence in Geosciences》2024年第1期14-26,共13页Carreira V.R. Bijani R. Ponte-Neto C.F.; Recently,machine learning(ML)has been considered a powerful technological element of different society areas.To transform the computer into a decision maker,several sophisticated methods and algorithms are constantly ...; 关键词：Self-Organizing Maps Supervised machine learning Synthetic well-log data Classification of lithofacies

XPZLIB:an HDF5-format multi-group cross-section library: 《Nuclear Science and Techniques》2024年第11期46-60,共15页Bin Fu Le-Rui Zhang Ding She Chun-Lin Wei Alain Hébert; supported by the National Key R&D Program of China(2020YFE0202500).; A multi-group cross-section library is fundamental for deterministic lattice physics calculations.Most existing multi-group cross-section libraries are customized for particular computer codes,as well as for particula...; 关键词：XPZLIB Multi-group library HDF5 format HTGR PWR

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