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Elastic modulus, nuclear radiation transmission properties of Fe-based/contained novel alloys for critical radiation applications

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Radiation Physics and Chemistry 2025年 237卷

作者： ALMisned, Ghada Susoy, Gulfem Baykal, Duygu Sen Alkarrani, Hessa Güler, Ömer Issa, Shams A.M. Zakaly, Hesham M.H. Tekin, H.O. Department of Physics College of Science Princess Nourah Bint Abdulrahman University P.O. Box 84428 Riyadh11671 Saudi Arabia Istanbul University Faculty of Science Department of Physics Istanbul34134 Turkey Istanbul Nisantasi University Faculty of Engineering and Architecture Mechatronics Engineering Istanbul34398 Turkey Research Institute for Medical and Health Sciences University of Sharjah Sharjah Sharjah27272 United Arab Emirates Department of Medical Diagnostic Imaging College of Health Sciences University of Sharjah Sharjah27272 United Arab Emirates Munzur University Rare Earth Elements Application and Research Center Tunceli62000 Turkey Physics Department Faculty of Science University of Tabuk Tabuk Saudi Arabia Physics Department Faculty of Science Al-Azhar University Assiut Egypt Institute of Physics and Technology Ural Federal University Yekaterinburg Russia Istinye University Faculty of Engineering and Natural Sciences Computer Engineering Department Istanbul34396 Turkey

This study explores the gamma-ray and neutron shielding properties and mechanical performance of eight Fe-based alloys with varying elemental compositions and densities. Different parameters such as mass attenuation coefficients, linear attenuation coefficients, half-value layer, tenth-value layer, mean free path, fast neutron removal cross-sections, transmission factors were analysed using PHITS and Phy-X/PSD codes. Moreover, elastic modulus values were calculated for each alloy sample. Our results reveal that the S9 alloy, with high density and tungsten contribution, exhibited superior shielding and mechanical properties, achieving the lowest TF, HVL, and TVL values. In contrast, the low-density S1 alloy performed weakest, reflecting its lighter elemental composition. Intermediate alloys like MAR-302 and Cupero-Nickel showed balanced performance, suitable for moderate shielding needs. Strong correlations between elemental compositions, particularly high-Z elements like tungsten and boron, and shielding efficiency were observed. It can be concluded that optimizing elemental composition and density is critical for designing alloys with enhanced multifunctional properties. © 2025 Elsevier Ltd

关键词： Gamma rays

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Uncertainty-adaptive, risk based motion planning in automated driving

Uncertainty-adaptive, risk based motion planning in automate...

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IEEE International Conference on Vehicular Electronics and Safety (ICVES)

作者： Clemens Markus Hruschka Michael Schmidt Daniel Töpfer Sebastian Zug Institute for Computer Science Chair for Software Technology and Robotics University of Technology Bergakademie Freiberg Freiberg Germany Institute for mobile systems Autonomous Vehicles Otto von Guericke University Magdeburg Germany Volkswagen AG Wolfsburg Germany

This paper investigates a continuous real-time risk assessment approach that considers environment uncertainties in the trajectory planning for automated vehicles. The probabilistic risk criticality measure considers uncertainties in the collision probabilities as well as accident severities through an impact model. A situational independent, once adjusted motion planning module adapts to uncertainties, e.g., induced by the environment perception due to sensor malfunction or disadvantageous sensor conditions such as volatile weather effects or object distances. As result, while driving, the intelligent vehicle gains an equal residual risk independent of the provided environment information quality. The benefits of the proposed approach are shown by real test-drives with changing sensor equipments for collision avoidance by braking and swerving.

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Measurement of the double-differential inclusive jet cross section in proton-proton collisions at s = 5.02 TeV

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Journal of High Energy Physics 2025年第1期2025卷 1-49页

作者： Hayrapetyan, A. Tumasyan, A. Adam, W. Andrejkovic, J.W. Bergauer, T. Chatterjee, S. Damanakis, K. Dragicevic, M. Escalante Del Valle, A. Hussain, P.S. Jeitler, M. Krammer, N. Lechner, L. Liko, D. Mikulec, I. Schieck, J. Schöfbeck, R. Schwarz, D. Sonawane, M. Templ, S. Waltenberger, W. Wulz, C.-E. Darwish, M.R. Janssen, T. Kello, T. Van Mechelen, P. Bols, E.S. D’Hondt, J. De Moor, A. Delcourt, M. El Faham, H. Lowette, S. Makarenko, I. Morton, A. Müller, D. Sahasransu, A.R. Tavernier, S. Van Putte, S. Vannerom, D. Clerbaux, B. Dansana, S. De Lentdecker, G. Favart, L. Hohov, D. Jaramillo, J. Lee, K. Mahdavikhorrami, M. Malara, A. Paredes, S. Pétré, L. Postiau, N. Thomas, L. Vanden Bemden, M. Vander Velde, C. Vanlaer, P. De Coen, M. Dobur, D. Knolle, J. Lambrecht, L. Mestdach, G. Rendón, C. Samalan, A. Skovpen, K. Tytgat, M. Van Den Bossche, N. Vermassen, B. Wezenbeek, L. Benecke, A. Bruno, G. Bury, F. Caputo, C. Delaere, C. Donertas, I.S. Giammanco, A. Jaffel, K. Jain, Sa. Lemaitre, V. Lidrych, J. Mastrapasqua, P. Mondal, K. Tran, T.T. Vischia, P. Wertz, S. Alves, G.A. Coelho, E. Hensel, C. Moraes, A. Rebello Teles, P. Aldá Júnior, W.L. Alves Gallo Pereira, M. Barroso Ferreira Filho, M. Brandao Malbouisson, H. Carvalho, W. Chinellato, J. Da Costa, E.M. Da Silveira, G.G. De Jesus Damiao, D. Dos Santos Sousa, V. Fonseca De Souza, S. Martins, J. Mora Herrera, C. Mota Amarilo, K. Mundim, L. Nogima, H. Santoro, A. Silva Do Amaral, S.M. Sznajder, A. Thiel, M. Vilela Pereira, A. Bernardes, C.A. Calligaris, L. Fernandez Perez Tomei, T.R. Gregores, E.M. Mercadante, P.G. Novaes, S.F. Orzari, B. Padula, Sandra S. Aleksandrov, A. Antchev, G. Hadjiiska, R. Iaydjiev, P. Misheva, M. Shopova, M. Sultanov, G. Dimitrov, A. Ivanov, T. Litov, L. Pavlov, B. Petkov, P. Petrov, A. Shumka, E. Keshri, S. Thakur, S. Cheng, T. Guo, Q. Javaid, T. Mittal, M. Yuan, L. Bauer, G. Hu, Z. Lezki, S. Yi, K. Chen, G.M. Chen, H.S. Chen, M. Iemmi, F. Jiang, C.H. Kapoor, A. Liao, H. Liu, Z.-A. Monti, F. Sharma, R. Song, J.N. Tao, J. Wang, J. Zhang, H. Aga Yerevan Physics Institute Yerevan Armenia Institut für Hochenergiephysik Vienna Austria Universiteit Antwerpen Antwerpen Belgium Vrije Universiteit Brussel Brussel Belgium Université Libre de Bruxelles Bruxelles Belgium Ghent University Ghent Belgium Université Catholique de Louvain Louvain-la-Neuve Belgium Centro Brasileiro de Pesquisas Fisicas Rio de Janeiro Brazil Universidade do Estado do Rio de Janeiro Rio de Janeiro Brazil Universidade Estadual Paulista Universidade Federal do ABC São Paulo Brazil Institute for Nuclear Research and Nuclear Energy Bulgarian Academy of Sciences Sofia Bulgaria University of Sofia Sofia Bulgaria Instituto De Alta Investigación Universidad de Tarapacá Casilla 7 D Arica Chile Beihang University Beijing China Department of Physics Tsinghua University Beijing China Institute of High Energy Physics Beijing China State Key Laboratory of Nuclear Physics and Technology Peking University Beijing China Sun Yat-Sen University Guangzhou China University of Science and Technology of China Hefei China Institute of Modern Physics and Key Laboratory of Nuclear Physics and Ion-beam Application (MOE) — Fudan University Shanghai China Zhejiang University Zhejiang Hangzhou China Universidad de Los Andes Bogota Venezuela Universidad de Antioquia Medellin Colombia University of Split Faculty of Electrical Engineering Mechanical Engineering and Naval Architecture Split Croatia University of Split Faculty of Science Split Croatia Institute Rudjer Boskovic Zagreb Croatia University of Cyprus Nicosia Cyprus Charles University Prague Czech Republic Escuela Politecnica Nacional Quito Ecuador Universidad San Francisco de Quito Quito Ecuador Academy of Scientific Research and Technology of the Arab Republic of Egypt Egyptian Network of High Energy Physics Cairo Egypt Center for High Energy Physics (CHEP-FU) Fayoum University El-Fayoum Egypt National Institute of Chemical Physics and Biophysics Tallinn Estonia Department of Physics

The inclusive jet cross section is measured as a function of jet transverse momentum pT and rapidity y. The measurement is performed using proton-proton collision data at s = 5.02 TeV, recorded by the CMS experiment a... 详细信息

The inclusive jet cross section is measured as a function of jet transverse momentum p_T and rapidity y. The measurement is performed using proton-proton collision data at s = 5.02 TeV, recorded by the CMS experiment at the LHC, corresponding to an integrated luminosity of 27.4 pb⁻¹. The jets are reconstructed with the anti-k_T algorithm using a distance parameter of R = 0.4, within the rapidity interval |y| < 2, and across the kinematic range 0.06 < p_T< 1 TeV. The jet cross section is unfolded from detector to particle level using the determined jet response and resolution. The results are compared to predictions of perturbative quantum chromodynamics, calculated at both next-to-leading order and next-to-next-to-leading order. The predictions are corrected for nonperturbative effects, and presented for a variety of parton distribution functions and choices of the renormalization/factorization scales and the strong coupling α_S. © The Author(s) 2025.

关键词： Hadron-Hadron Scattering Jet Physics QCD

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Corrigendum to “Renewables but unjust? Critical restoration geography as a framework for addressing global renewable energy injustice” [Energy Res. Soc. Sci. 114 (2024) 103609]

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Energy Research & Social science 2024年 115卷

作者： Chinedu C. Nsude Rebecca Loraamm Joshua J. Wimhurst God'sgift N.. Chukwuonye Ramit Debnath Department of Geography and Environmental Sustainability University of Oklahoma Norman OK 73019 USA Center for Peace and Development University of Oklahoma Norman OK 73019 USA South Central Climate Adaptation Science Center University of Oklahoma Norman OK 73019 USA Department of Environmental Science University of Arizona Tucson AZ 85721 USA Cambridge Zero and Computer Laboratory University of Cambridge Cambridge CB3 0HE UK Cambridge Collective Intelligence and Design Group Department of Architecture University of Cambridge CB2 1PX UK Division of Humanities and Social Sciences California Institute of Technology Pasadena CA 92115 USA

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Design and Development of Khadi-Kart: A Web-based application for rejuvenating the Handloom Industry in India

Design and Development of Khadi-Kart: A Web-based applicatio...

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IEEE Global Humanitarian Technology Conference (GHTC)

作者： Vishal Mishra Tarun Kumar Sanjana Shivakumar Vandana D Ravishankar Kriti Bhalla Brajesh Dhiman Computer Science and Engineering Vijaya Vittala Institute of Technology Bangalore India Center for Product Design and Manufacturing Indian Institute of Science Bangalore India School of Architecture Ramaiah Institute of Technology Bangalore India PES University Bangalore India Indian Institute of Technology (IIT) Guwahati Guwahati India

ISBN: (数字)9781728117805

ISBN: (纸本)9781728117812

In India, small scale village handloom industries (e.g. Khadi, Silk and cotton, etc.) are decentralised yet possess a highly skilled labour force. This paper aims to provide a web-based solution to connect consumers, producers and designers by providing a common platform for sustainable textile production, design, marketing and consumption. `Digital distance' is defined as the ease of access or connectivity between two node-actor systems on the internet-based virtual world. There is a vast digital distance between the consumers, designers and producers of village handloom industries which creates problems like lack of demand, low supply, extinction of traditional design art-forms, and risk of unemployment. Khadi-Kart, a web-based platform is designed to bridge this gap using a TRIZ-based design algorithm. Since the penetration of the internet in Indian society has seen a sharp rise, a web-based application is designed to cater to the needs of the consumer. The proposed system uses real-time connectivity and data processing, which help the producers connect with the consumers through a common platform. This method, in turn, helps the producers stay aware of upcoming trends and helps designers produce novel designs to support sustainable and intelligent manufacturing; thus, minimising their corresponding digital distances. Subsequently, the village economy is digitally connected to the global economy via e-commerce leading to job creation. This further decreases the environmental costs and provides ample social benefits to all the sub-systems.

关键词： Production Servers Cotton Databases Conferences computer architecture

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Machine learning approaches to understand the influence of urban environments on human’s physiological response

arXiv

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arXiv 2018年

作者： Ojha, Varun Kumar Griego, Danielle Kuliga, Saskia Bielik, Martin Buš, Peter Schaeben, Charlotte Treyer, Lukas Standfest, Matthias Schneider, Sven König, Reinhard Donath, Dirk Schmitt, Gerhard Chair of Information Architecture ETH Zürich Switzerland Chair of Computer Science in Architecture Bauhaus University Weimar Germany Computational Architecture Bauhaus University Weimar Germany

This research proposes a framework for signal processing and information fusion of spatial-temporal multi-sensor data pertaining to understanding patterns of humans physiological changes in an urban environment. The framework includes signal frequency unification, signal pairing, signal filtering, signal quantification, and data labeling. Furthermore, this paper contributes to human-environment interaction research, where a field study to understand the influence of environmental features such as varying sound level, illuminance, field-of-view, or environmental conditions on humans’ perception was proposed. In the study, participants of various demographic backgrounds walked through an urban environment in Zürich, Switzerland while wearing physiological and environmental sensors. Apart from signal processing, four machine learning techniques, classification, fuzzy rule-based inference, feature selection, and clustering, were applied to discover relevant patterns and relationship between the participants’ physiological responses and environmental conditions. The predictive models with high accuracies indicate that the change in the field-of-view corresponds to increased participant arousal. Among all features, the participants’ physiological responses were primarily affected by the change in environmental conditions and field-of-view. Copyright © 2018, The Authors. All rights reserved.

关键词： Feature extraction

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New haven building archive: A database for the collection, study, and communication of local built heritage

New haven building archive: A database for the collection, s...

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2018 Eurographics Workshop on Graphics and Cultural Heritage, GCH 2018

作者： Rubin, E. Akhtar, S. Brown, B. Rushmeier, H. School of Architecture Yale University United States Institute for the Preservation of Cultural Heritage Yale University United States Department of Computer Science Yale University United States

ISBN: (纸本)9783038680574

The New Haven Building Archive (NHBA) is a digital, mobile, and interactive field guide to New Haven, Connecticut's built heritage. As an interactive digital guide and database for local buildings, the NHBA harnesses digital mapping technologies, place-based storytelling and community-based research. Ultimately, the development of the NHBA will aid in the co-production of knowledge about the city by students, academic researchers and local citizens in a way that will facilitate conversations about the historical patterns and future development of New Haven while suggesting a model for engaged teaching and research for urban studies more broadly. © 2018 GCH 2018 - Eurographics Workshop on Graphics and Cultural Heritage. All rights reserved.

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Demo abstract: Towards IoT service deployments on edge community network microclouds

Demo abstract: Towards IoT service deployments on edge commu...

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2018 IEEE Conference on computer Communications Workshops, INFOCOM 2018

作者： Khan, Amin M. Freitag, Felix Vlassov, Vladimir Ha, Phuong Hoai Department of Computer Science UiT the Arctic University of Norway Tromsø Norway Department of Computer Architecture Universitat Politècnica de Catalunya Barcelona Spain KTH Royal Institute of Technology Stockholm Sweden Hitachi Vantara Corporation Lisbon Portugal

ISBN: (纸本)9781538659793

Internet of Things (IoT) services for personal devices and smart homes provided by commercial solutions are typically proprietary and closed. These services provide little control to the end users, for instance to take ownership of their data and enabling services, which hinders these solutions' wider acceptance. In this demo paper, we argue for an approach to deploy professional IoT services on user-controlled infrastructure at the network edge. The users would benefit from the ability to choose the most suitable service from different IoT service offerings, like the one which satisfies their privacy requirements, and third-party service providers could offer more tailored IoT services at customer premises. We conduct the demonstration on microclouds, which have been built with the Cloudy platform in the *** community network. The demonstration is conducted from the perspective of end users, who wish to deploy professional IoT data management and analytics services in volunteer microclouds. © 2018 IEEE.

关键词： Internet of things

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Graphene ribbons with suspended masses as transducers in ultra-small nanoelectromechanical accelerometers

arXiv

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arXiv 2020年

作者： Fan, Xuge Forsberg, Fredrik Smith, Anderson D. Schröder, Stephan Wagner, Stefan Rödjegård, Henrik Fischer, Andreas C. Östling, Mikael Lemme, Max C. Niklaus, Frank Department of Micro and Nanosystems School of Electrical Engineering and Computer Science KTH Royal Institute of Technology StockholmSE-10044 Sweden Scania Technical Centre Södertälje15148 Sweden Department of Integrated Devices and Circuits School of Electrical Engineering and Computer Science KTH Royal Institute of Technology KistaSE-164 40 Sweden Senseair AB Delsbo820 60 Sweden AMO GmbH Otto-Blumenthal-Str. 25 Aachen52074 Germany Silex Microsystems AB Järfälla175 26 Sweden Chair of Electronic Devices Faculty of Electrical Engineering and Information Technology RWTH Aachen University Otto-Blumenthal-Str. 25 Aachen52074 Germany

Nanoelectromechanical system (NEMS) sensors and actuators could be of use in the development of next generation mobile, wearable, and implantable devices. However, these NEMS devices require transducers that are ultra-small, sensitive and can be fabricated at low cost. Here, we show that suspended double-layer graphene ribbons with attached silicon proof masses can be used as combined spring-mass and piezoresistive transducers. The transducers, which are realized using processes that are compatible with large-scale semiconductor manufacturing technologies, can yield NEMS accelerometers that occupy at least two orders of magnitude smaller die area than conventional state-of-the-art silicon accelerometers. With our devices, we also extract the Young's modulus values of double-layer graphene and show that the graphene ribbons have significant built-in stresses. Copyright © 2020, The Authors. All rights reserved.

关键词： Accelerometers

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Exploring Fault-Tolerant Erasure Codes for Scalable All-Flash Array Clusters

arXiv

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arXiv 2019年

作者： Koh, Sungjoon Zhang, Jie Kwon, Miryeong Yoon, Jungyeon Donofrio, David Kim, Nam Sung Jung, Myoungsoo Computer Architecture and Memory Systems Laboratory Korea Advanced Institute of Science and Technology School of Integrated Technology Yonsei Institute Convergence Technology Yonsei University Lawrence Berkeley National Laboratory Georgia Institute of Technology University of Illinois Urbana-Champaign

—Large-scale systems with all-flash arrays have become increasingly common in many computing segments. To make such systems resilient, we can adopt erasure coding such as Reed-Solomon (RS) code as an alternative to replication because erasure coding incurs a significantly lower storage overhead than replication. To understand the impact of using erasure coding on the system performance and other system aspects such as CPU utilization and network traffic, we build a storage cluster that consists of approximately 100 processor cores with more than 50 high-performance solid-state drives (SSDs), and evaluate the cluster with a popular open-source distributed parallel file system, called Ceph. Specifically, we analyze the behaviors of a system adopting erasure coding from the following five viewpoints, and compare with those of another system using replication: (1) storage system I/O performance;(2) computing and software overheads;(3) I/O amplification;(4) network traffic among storage nodes, and (5) impact of physical data layout on performance of RS-coded SSD arrays. For all these analyses, we examine two representative RS configurations, used by Google file systems, and compare them with triple replication employed by a typical parallel file system as a default fault tolerance mechanism. Lastly, we collect 96 block-level traces from the cluster and release them to the public domain for the use of other researchers. Copyright © 2019, The Authors. All rights reserved.

关键词： File organization

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