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SHIELD: 作品数：282被引量：424H指数：10; 导出分析报告; 相关领域：医药卫生更多>>; 相关作者：胡国良李永超曹振锋吴庆红范杰更多>>; 相关机构：上海隧道工程股份有限公司北京大学立德高科(北京)数码科技有限责任公司上海大学更多>>; 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国家高技术研究发展计划中国博士后科学基金更多>>

第三代血流导向装置治疗颅内动脉瘤临床效果的初步研究: 《中华外科杂志》2025年第3期233-239,共7页尹晓亮杨军王涛陈晓东刘鹏王大明; 目的探讨第三代血流导向装置治疗颅内动脉瘤的初步临床效果。方法本研究为回顾性病例系列研究。回顾性分析2023年3月至2024年2月于北京大学第三医院神经外科应用第三代血流导向装置治疗的38例颅内动脉瘤患者的临床资料。男性11例,女性27...; 关键词：颅内动脉瘤神经外科手术血流导向装置 Pipeline Shield栓塞装置并发症

Design and implementation of a high-performance miniaturized multi-layer magnetic shielding spherical shell with minimal pores based on target magnetic field: 《Defence Technology(防务技术)》2025年第3期99-108,共10页Wanqing Li Wei Li Shaotao Qu Shuyi Zhang Jingyang Xu; supported by Hefei National Laboratory,Innovation Program for Quantum Science and Technology(Grant Nos.2021ZD0300500 and 2021ZD0300503).; Achieving the spin-exchange relaxation-free(SERF)state in atomic comagnetometers(ACMs)necessitates a stable and weak magnetic environment.This paper presents the design of a miniaturized permalloy magnetic shielding s...; 关键词：Magnetic shielding Spherical shield Finite element analysis(FEA) Shielding effectiveness Spin-exchange relaxation-free(SERF) comagnetometer

Review of bumper materials for spacecraft shield against orbital debris hypervelocity impact: 《Defence Technology(防务技术)》2025年第3期137-177,共41页Siyuan Ren Pinliang Zhang Qiang Wu Qingming Zhang Zizheng Gong Guangming Song Renrong Long Liangfei Gong Mingze Wu; supported by National Natural Science Foundation of China(Grant Nos.12202068,12202087);China National Space Administration Preliminary Research Project(Grant Nos.KJSP2023020201,KJSP2020010402).; It is widely known that the hypervelocity impact of orbital debris can cause serious damage to spacecraft,and enhancing the impact resistance is the great concern of spacecraft shield design.This paper provides a comp...; 关键词：Orbital debris Spacecraft shield Hypervelocity impact Bumper materials Protective mechanism

Geochemistry of Neoproterozoic metavolcanic rocks from the Tahtai Logomiti area,Tigrai,Northern Ethiopia:Implication for petrogenesis and tectonic settings: 《Acta Geochimica》2025年第1期128-144,共17页Azeb Gebremicale Mulugeta Alene Teklay Gidey; The Tahtai Logomiti area is characterized by metavolcanic and metavolcaniclastic interbedded with clastic and carbonate metasedimentary rocks of Neoproterozoic age.New geological,petrographic,major,and trace elements ...; 关键词：Deformation METAMORPHISM FOLIATION CALC-ALKALINE NEOPROTEROZOIC Arabian Nubian Shield

Two-layer autonomous intelligence dynamic trajectory planning method based on shield-tunnel ring-geology interactions: 《Underground Space》2024年第6期227-250,共24页Min Hu Bingjian Wu Huiming Wu Liefeng Pei; To solve the problem that current attitude planning methods do not fully consider the interaction and constraints among the shield,segmental tunnel ring,and geology,and cannot adapt to the changes in the actual engine...; 关键词：Shield tunnel Trajectory planning Attitude control SELF-DRIVING Machine learning

表面改性血流导向装置Pipeline Shield在颅内动脉瘤治疗中的应用: 《国际脑血管病杂志》2024年第10期796-800,共5页吴勇强薛丽红张霄郭庚; Pipeline栓塞装置在颅内动脉瘤治疗中应用广泛,其临床有效性和安全性逐步得以证实。然而,较高的金属密度结构导致患者需长期服用抗血小板药以避免血栓栓塞并发症。Pipeline Shield是一种新型表面改性栓塞装置,通过改变材料凝血活性和促...; 关键词：颅内动脉瘤栓塞治疗性抗血小板聚集药治疗结果

Origami multi-layer space shield for cylindrical space structure: 《Chinese Journal of Aeronautics》2024年第10期294-312,共19页Ji-Hun CHA Ji-Sub NOH Sarath Kumar SATHISH KUMAR Dohyeon JIN Dae-Young LEE Chun-Gon KIM; Supported by the National Research Foundation of South Korea(No.NRF-2021R1A4A1032783);the National Research Foundation of Korea(NRF),the Korea government(MSIT)(No.2022R1C1C1003718).; The multidisciplinary space environment,encompassing orbital debris,cosmic radiation,and solar radiative heat,poses significant risks to spacecraft and astronauts,necessitating efficient and effective shielding soluti...; 关键词：Hybrid composite ORIGAMI Hypervelocity impact Space environment Space debris Cosmic radiation

Application of Remote Sensing and GIS in Mineral Alteration Mapping and Lineament Extraction Case of Oudiane Elkharoub (Requibat Shield, Northern of Mauritania): 《Open Journal of Geology》2024年第9期823-854,共32页Ould Mahmoud Hdeid Yousra Morsli Mohamed Raji Zouhir Baroudi Malika Adjour Khaled Cheikh Nebagha Zein El Arby Vetah Mohamed El Moktar Isselmou Brahim Vall; The integration of remotely sensed data allowed the successful characterization of the mineral alteration zones of the Oudiane Elkharoub area in the Northeastern part of Reguibat Shield using image transformation tech...; 关键词：Remote Sensing GIS ASTER Landsat 8 (OLI/TIRS) Structure Mineralization ALTERATION MINERAL LINEAMENT Reguibat Shield Oudiane Elkharoub

Selenium: The Cancer Shield: 《Journal of Biosciences and Medicines》2024年第7期170-183,共14页Elvin Uysal Busra Yaman; Introduction: Breast cancer is one of the most common types of cancer in the world and the treatments are being improved day by day. Although chemotherapy agents have begun to be used, side effects, resistance develop...; 关键词：Sodium Selenite Breast Cancer APOPTOSIS Oxidative Stress

Research on the design method for uniform wear of shield cutters in sand-pebble strata: 《Deep Underground Science and Engineering》2024年第2期216-230,共15页Jinxun Zhang Bo Li Guihe Wang Yusheng Jiang Hua Jiang Minglun Yin Zhengyang Sun; Beijing Postdoctoral Research Activity Funding Project,Grant/Award Number:2022-ZZ-097;Beijing Municipal Natural Science Foundation,Grant/Award Number:8182048。; During shield tunneling in highly abrasive formations such as sand–pebble strata,nonuniform wear of shield cutters is inevitable due to the different cutting distances.Frequent downtimes and cutter replacements have ...; 关键词：cutter wear EDEM model long-distance shield driving sand-pebble stratum shield tunnel uniform wear design method

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