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器件级同质外延CvD金刚石膜上的具有高击穿电压的铝肖特基二极管(英文)

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功能材料与器件学报 2001年第3期7卷 293-296页

作者：寺地德之入江正丈远藤城一木村谦一王春蕾伊藤利道大阪大学工学部电气工学科

用微波等离子体化学气相沉积方法合成高品质同质外延金刚石膜，并且用扫描电镜和阴极荧光分析法评价。为了得到高薄膜生长速率，把甲烷浓度设定在 4％。薄膜上的生长丘的数量和大小依赖于生长条件。在本工作的样品中 ,未发现任何... 详细信息

用微波等离子体化学气相沉积方法合成高品质同质外延金刚石膜，并且用扫描电镜和阴极荧光分析法评价。为了得到高薄膜生长速率，把甲烷浓度设定在 4％。薄膜上的生长丘的数量和大小依赖于生长条件。在本工作的样品中 ,未发现任何非外延晶粒。室温下的阴极荧光分光结果表明这些金刚石薄膜具有与自由励起子相关的谱峰。氢终端的膜表面制作的铝电极显示了 P型整流特性 ,击穿电压高于 380v。实验结果表明，阴极荧光分析法观测到的缺陷和电性能密切相关，并且可以在有室温边发射的金刚石表面上制作具有高击穿电压的整流电极。

关键词：击穿电压铝肖特基二极管 CvD金刚石膜同质外延

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Decline in subarachnoid haemorrhage volumes associated with the first wave of the COvID- 19 pandemic

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Stroke & vascular Neurology 2021年第4期6卷 542-552,I0026-I0032页

作者： Thanh N Nguyen Diogo C Haussen Muhammad M Qureshi Hiroshi Yamagami Toshiyuki Fujinaka Ossama Y Mansour Mohamad Abdalkader Michael Frankel Zhongming Qiu Allan Taylor Pedro Lylyk Omer F Eker Laura Mechtouff Michel Piotin Fabricio Oliveira Lima Francisco Mont'Alverne Wazim Izzath Nobuyuki Sakai Mahmoud Mohammaden Alhamza R Al-Bayati Leonardo Renieri Salvatore Mangiafico David Ozretic vanessa Chalumeau Saima Ahmad Umair Rashid Syed Irteza Hussain Seby John Emma Griffin John Thornton Jose Antonio Fiorot Rodrigo Rivera Nadia Hammami Anna M Cervantes-Arslanian Hormuzdiyar H Dasenbrock Huynh Le vu viet Quy Nguyen Steven Hetts Romain Bourcier Romain Guile Melanie Walker Malveeka Sharma Don Frei Pascal Jabbour Nabeel Herial Fawaz Al-Mufti Atilla Ozcan Ozdemir Ozlem Aykac Dheeraj Gandhi Chandril Chugh Charles Matouk Pascale Lavoie Randall Edgell Andre Beer-Furlan Michael Chen Monika killer-Oberpfalzer vitor Mendes Pereira Patrick Nicholson vikram Huded Nobuyuki Ohara Daisuke Watanabe Dong Hun Shin Pedro SC Magalhaes Raghid kikano Santiago Ortega-Gutierrez Mudassir Farooqui Amal Abou-Hamden Tatsuo Amano Ryoo Yamamoto Adrienne Weeks Elena A Cora Rotem Sivan-Hoffmann Roberto Crosa Markus Möhlenbruch Simon Nagel Hosam Al-Jehani Sunil A Sheth victor S Lopez Rivera James E Siegler Achmad Fidaus Sani Ajit S Puri Anna Luisa kuhn Gianmarco Bernava Paolo Machi Daniel G Abud Octavio M Pontes-Neto Ajay k Wakhloo Barbara voetsch Eytan Raz Shadi Yaghi Brijesh P Mehta Naoto kimura Mamoru Murakami Jin Soo Lee Ji Man Hong Robert Fahed Gregory Walker Eiji Hagashi Steve M Cordina Hong Gee Roh ken Wong Juan F Arenillas Mario Martinez-Galdamez Jordi Blasco Alejandro Rodriguez vasquez Luisa Fonseca M Luis Silva Teddy Y Wu Simon John Alex Brehm Marios Psychogios William J Mack Matthew Tenser Tatemi Todaka Miki Fujimura Roberta Novakovic Jun Deguchi Yuri Sugiura Hiroshi Tokimura Rakesh khatri Michael kelly Lissa Peeling Yuichi Murayama Hugh Stephen Winters Johnny Wong Mohamed Teleb Jeremy Payne Hiroki Fukuda kosuke Miyake Junsuke Shimbo Yusuke Sug Neurology RadiologyBoston Medical CenterBostonMassachusettsUSA Neurology Marcus Stroke&Neuroscience CenterGrady Memorial HospitalEmory University School of MedicineAtlantaGAUSA Radiology Radiation OncologyBoston University School of MedicineBostonMassachusettsUSA Neurology National Hospital Organization Osaka National HospitalOsakaJapan Neurosurgery National Hospital Organization Osaka National HospitalOsakaJapan Neurology Alexandria UniversityAlexandriaEgypt Radiology Boston Medical CenterBostonMassachusettsUSA Department of Neurology Xinqiao HospitalChongqingChina Neurosurgery University of Cape TownRondeboschWestern CapeSouth Africa Neurosurgery Interventional NeuroradiologyClinica La Sagrada FamiliaBuenos AiresArgentina Neuroradiologie Neurologie VasculaireHospices Civils de LyonLyonAuvergne-Rhône AlpesFrance Neurologie vasculaire Hospices Civils de LyonLyonAuvergne-Rhône AlpesFrance Interventional Neuroradiology Fondation Ophtalmologique Adolphe de RothschildParisÎle-de FranceFrance Neurology Hospital Geral de FortalezaFortalezaBrazil Interventional Neuroradiology Hospital Geral de FortalezaFortalezaBrazil Neuroradiology Nottingham University Hospitals NHS TrustNottinghamUK Department of Neurosurgery Kobe City Medical Center General HospitalKobeHyogoJapan Interventional Neurovascular Unit University Hospital CareggiFirenzeToscanaItaly Neuroradiology University Hospital Centre ZagrebZagrebCroatia Interventional Neuroradiology Hopital BicetreLe Kremlin-BicetreFrance Stroke and Interventional Neuroradiology Lahore General HospitalLahorePakistan Neurological Institute Cleveland Clinic Abu DhabiAbu DhabiUAE Department of Radiology Beaumont HospitalDublinIreland Neurology Stroke UnitHospital-Estadual CentralVitoriaBrazil Neuroradiology Instituto de Neurocirugia Dr AsengoSantiagoChile Interventional Neuroradiology Institut National de NeurologieTunisTunisia Neurology Boston Medical CenterBostonMassachusettsUSA Neurosurgery Boston Medical Center

Background During the COvID-19 pandemic,decreased volumes of stroke admissions and mechanical thrombectomy were *** study’s objective was to examine whether subarachnoid haemorrhage(SAH)hospitalisations and ruptured aneurysm coiling interventions demonstrated similar *** We conducted a cross-sectional,retrospective,observational study across 6 continents,37 countries and 140 comprehensive stroke *** with the diagnosis of SAH,aneurysmal SAH,ruptured aneurysm coiling interventions and COvID-19 were identified by prospective aneurysm databases or by International Classification of Diseases,10th Revision,*** 3-month cumulative volume,monthly volumes for SAH hospitalisations and ruptured aneurysm coiling procedures were compared for the period before(1 year and immediately before)and during the pandemic,defined as 1 March-31 May *** prior 1-year control period(1 March-31 May 2019)was obtained to account for seasonal *** There was a significant decline in SAH hospitalisations,with 2044 admissions in the 3 months immediately before and 1585 admissions during the pandemic,representing a relative decline of 22.5%(95%CI−24.3%to−20.7%,pvely,representing an 11.5%(95%CI−13.5%to−9.8%,p=0.002)relative *** analysis was noted for aneurysmal SAH hospitalisation decline from 834 to 626 hospitalisations,a 24.9%relative decline(95%CI−28.0%to−22.1%,pve increase in ruptured aneurysm coiling was noted in low coiling volume hospitals of 41.1%(95%CI 32.3%to 50.6%,p=0.008)despite a decrease in SAH admissions in this *** There was a relative decrease in the volume of SAH hospitalisations,aneurysmal SAH hospitalisations and ruptured aneurysm embolisations during the COvID-19 *** findings in SAH are consistent with a decrease in other emergencies,such as stroke and myocardial infarction.

关键词： diagnosis representing subarachnoid

双层探测器能谱CT定量测定骨密度的准确性体模研究

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国际医学放射学杂志 2017年第6期 745-745页

作者： R.W.van Hamersvelt A.M.Schilham k.Engelke A.M.den Harder B.de keizer H.J.verhaar 刘瑶 Department of Radiology University Medical Centre Utrecht

摘要目的探讨双层探测器能谱CT(SDCT)不同扫描方式下定量测定骨密度(BMD)的准确性。方法使用64层SDCT在不同扫描方式下(120和140 k v,以及50、100和200 m As)

关键词：骨密度定量测定探测器 CT

健康志愿者吸入氟化混合气体超短回波肺部19F-MRI的可行性研究

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国际医学放射学杂志 2014年第1期 81-81页

作者： M.J.Couch I.k.Ball T.Li M.S.Fox S.L.Littlefield B.Biman 丁芳芳 Thunder Bay Regional Research Institute 980 Oliver Rd Thunder Bay ON Canada P7B 6V4

目的正常志愿者吸入含79%全氟丙烷(PFP)和21%O2的19F混合气体行肺部三维超短回波(UTE)MRI。方法本研究经当地伦理委员会及加拿大健康协会批准,所

关键词： MRI 回波混合气体肺部

基于肌酐和体积法GFR测量肾移植供体肾功能的比较

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国际医学放射学杂志 2016年第1期 84-84页

作者： D.k.Choi S.M.Choi B.H.Park B.C.Jeong S.I.Seo S.S.Jeon 杨献峰 Department of Urology Samsung Medical CenterSungkyunkwan University School of Medicine

摘要目的评价不同方法测量肾小球滤过率(GFR)并与直接法测量GFR(d GFR)进行比较,并尝试建立一个基于CT所测肾脏体积的测量GFR的公式。材料与方法采用肌酐法(MDRD、Cockcroft-Gault公式、CkD-EPI公式和Mayo诊所公式)和Herts法(基于体积)... 详细信息

摘要目的评价不同方法测量肾小球滤过率(GFR)并与直接法测量GFR(d GFR)进行比较,并尝试建立一个基于CT所测肾脏体积的测量GFR的公式。材料与方法采用肌酐法(MDRD、Cockcroft-Gault公式、CkD-EPI公式和Mayo诊所公式)和Herts法(基于体积)测量GFR(v GFR)。比较不同的GFR评价方法并通过多元线性回归分析建立了一个新的v GFR的模型。结果基于肌酐测量GFR的结果中,MDRD和C-G公式所测值均与d GFR相关(相关性和一致系数分别为0.359、0.369和0.354、0.318)。得出的基于肾脏体积的

关键词： GFR 肾脏体积肾功能肌酐

Observation of e^(+)e^(-)→pppñπ-+c.c.

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Chinese Physics C 2023年第4期47卷 16-25页

作者：麦迪娜 M.N.Achasov P.Adlarson M.Albrecht R.Aliberti A.Amoroso 安美儒安琪白旭红白羽 O.Bakina R.Baldini Ferroli I.Balossino 班勇 v.Batozskaya D.Becker k.Begzsuren N.Berger M.Bertani D.Bettoni F.Bianchi J.Bloms A.Bortone I.Boyko R.A.Briere A.Brueggemann 蔡浩蔡啸 A.Calcaterra 曹国富曹宁 S.A.Cetin 常劲帆常万玲 G.Chelkov 陈琛陈超陈刚陈和生陈玛丽陈申见陈少敏 T.Chen 陈旭荣 X.T.Chen 陈元柏陈卓俊成伟帅初晓 G.Cibinetto F.Cossio 崔佳佳代洪亮代建平 A.Dbeyssi R.E.de Boer D.Dedovich 邓子艳 A.Denig I.Denysenko M.Destefanis F.De Mori 丁勇董静董燎原董明义董翔杜书先 P.Egorov 范玉兰方建房双世方文兴方易 R.Farinelli L.Fava F.Feldbauer G.Felici 封常青冯俊华 k Fischer M.Fritsch C.Fritzsch 傅成栋高涵高原宁高扬 S.Garbolino I.Garzia 葛潘婷葛振武耿聪 E.M.Gersabeck A Gilman k.Goetzen 龚丽龚文煊 W.Gradl M.Greco 谷立民顾旻皓顾运厅关春懿郭爱强郭立波郭如盼郭玉萍 A.Guskov 韩婷婷韩文颖郝喜庆 F.A.Harris 何凯凯何康林 F.H.Heinsius C.H.Heinz 衡月昆 C.Herold M.Himmelreich 侯国一侯颖锐侯治龙胡海明 J.F.Hu 胡涛胡誉黄光顺黄凯旋黄麟钦黄麟钦黄性涛黄燕萍黄震 T.Hussain N Hüsken W.Imoehl M.Irshad J.Jackson S.Jaeger S.Janchiv 纪全姬清平季晓斌季筱璐吉钰瑶贾泽坤姜侯兵姜赛赛江晓山 Y.Jiang 焦健斌焦铮金山金毅荆茂强 T.Johansson N.kalantar-Nayestanaki 康晓珅 R.kappert 柯百谦 I.k.keshk A.khoukaz P.kiese R.kiuchi R.kliemt L.koch O.B.kolcu B.kopf M.kuemmel M.kuessner A.kupsc W.kühn J.J.Lane J.S.Lange P.Larin A.Lavania L.Lavezzi 雷祚弘 H.Leithoff M.Lellmann T.Lenz 李翠李聪李春花李澄李德民李飞李刚李慧李贺李海波李惠静 H.N.Li J.Q.Li 李静舒李井文李科 L.J.Li 李龙科李蕾李明浩李培荣李素娴栗帅迎李腾李卫东李卫国李旭红李晓玲李晓宇梁昊梁浩梁浩梁勇飞梁羽铁廖广睿廖龙洲 J.Libby A.Limphirat 林创新林德旭 T.Lin 刘北江刘春秀 D.Liu 刘福虎刘芳刘峰 G.M.Liu H.Liu, 刘宏邦刘怀民刘欢欢刘汇慧刘建北刘佳俊刘晶译刘凯刘魁勇刘珂刘亮刘露刘美宏刘佩莲刘倩刘树彬刘桐刘维克刘卫民刘翔刘英刘玉斌刘振安刘智青娄辛丑卢飞翔吕海江吕军光陆小玲卢宇卢云鹏 Z.H.Lu 罗成林罗民兴罗涛罗小兰吕晓睿吕翌丰马凤才马海龙马连良马明明马秋梅马润秋马瑞廷马骁妍马尧 F.E.Maas M.Maggiora S.Maldaner S.Malde Q.A.Malik A.Mangoni 冒亚军毛泽普 S.Marcello 孟召霞 J.G.Messchendorp G.Mezzadri H.Miao 闵天觉 R.E.Mitchell 莫晓虎 N.Yu.Muchnoi Y.Nefedov F.Nerling I.B.Nikolaev 宁哲 S.Nisar 牛艳 S.L.Olsen 欧阳群 S.Pacetti 潘祥潘越 A.Pathak M.Pelizaeus 彭海平 k.Peters 平加伦平荣刚 S.Plura S.Pogodin v.Prasad 齐法制齐航漆红荣祁鸣齐天钰钱森钱文斌钱圳乔从丰秦佳佳秦丽清覃潇平秦小帅秦中华邱进发屈三强 k.H.Rashid C.F.Redmer 任旷洁 A.Rivetti v.Rodin M.Rolo 荣刚 Ch.Ros Institute of High Energy Physics Beijing 100049China Beihang University Beijing 100191China Beijing Institute of Petrochemical Technology Beijing 102617China Bochum Ruhr-University D-44780 BochumGermany Carnegie Mellon University PittsburghPennsylvania 15213USA Central China Normal University Wuhan 430079China Central South University Changsha 410083China China Center of Advanced Science and Technology Beijing 100190China COMSATS University Islamabad Lahore CampusDefence RoadOff Raiwind Road54000 LahorePakistan Fudan University Shanghai 200433China G.I.Budker Institute of Nuclear Physics SB RAS(BINP) Novosibirsk 630090Russia GSI Helmholtzcentre for Heavy Ion Research GmbH D-64291 DarmstadtGermany Guangxi Normal University Guilin 541004China Guangxi University Nanning 530004China Hangzhou Normal University Hangzhou 310036China Hebei University Baoding 071002China Helmholtz Institute Mainz Staudinger Weg 18D-55099 MainzGermany Henan Normal University Xinxiang 453007China Henan University of Science and Technology Luoyang 471003China Henan University of Technology Zhengzhou 450001China Huangshan College Huangshan 245000China Hunan Normal University Changsha 410081China Hunan University Changsha 410082China Indian Institute of Technology Madras Chennai 600036India Indiana University BloomingtonIndiana 47405USA INFN Laboratori Nazionali di Frascati I-00044FrascatiItaly INFN Sezione di Perugia I-06100PerugiaItaly University of Perugia I-06100PerugiaItaly INFN Sezione di Ferrara I-44122FerraraItaly University of Ferrara I-44122FerraraItaly Institute of Modern Physics Lanzhou 730000China B Ulaanbaatar 13330Mongolia Jilin University Changchun 130012China Johannes Gutenberg University of Mainz Johann-Joachim-Becher-Weg 45D-55099 MainzGermany Joint Institute for Nuclear Research 141980 DubnaMoscow regionRussia Justus-Liebig-Universitaet Giessen II.Physikalisches InstitutHeinrich-Buff-Ring 16D-35392 GiessenGermany Lanzhou University Lanzhou 730000China Liaoning Normal Unive

Using data taken at 29 center-of-mass energies between 4.16 and 4.70 Gev with the BESⅢdetector at the Beijing Electron Positron Collider corresponding to a total integrated luminosity of approximately 18.8 fb^(-1),the process e^(+)e^(-)→pppñπ+*** observed for the first time with a statistical significance of 11.5σ.The average Born cross sections in the energy ranges of(4.160,4.380)Gev,(4.400,4.600)Gev and(4.610,4.700)Gev are measured to be(21.5±5.7±1.2)fb,(46.3±10.6±2.5)fb and(59.0±9.4±3.2)fb,respectively,where the first uncertainties are statistical and the second are *** line shapes of the pñ and ppπ^(-)invariant mass spectra are consistent with phase space distributions,indicating that no hexaquark or di-baryon state is observed.

关键词： Multi-baryon channel hexaquark di-baryon states cross section measurement

抑制海马兴奋性神经元calbindin D28k的表达介导了早年应激所致的记忆损害

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科学新闻 2018年第4期 142-142页

作者： Ji-Tao Li Xiao-Meng Xie Jing-Ying Yu Ya-Xin Sun Xue-Mei Liao Xing-Xing Wang Yun-Ai Su Yi-Jun Liu Mathias v.Schmidt 王晓东司天梅浙江大学医学院北京大学第六医院

文章简介早年应激可影响海马发育与可塑性,损害认知功能与行为,是多种精神疾病如抑郁症和焦虑症的重要风险因素。钙结合蛋白calbindin D28k是一种在脑内广泛存在的钙结合蛋白,参与调控钙信号的传导,在突触可塑性与学习记忆中发挥重要作... 详细信息

文章简介早年应激可影响海马发育与可塑性,损害认知功能与行为,是多种精神疾病如抑郁症和焦虑症的重要风险因素。钙结合蛋白calbindin D28k是一种在脑内广泛存在的钙结合蛋白,参与调控钙信号的传导,在突触可塑性与学习记忆中发挥重要作用。大量研究提示,早年应激所致认知损

关键词：兴奋性神经元

使用70kv管电压CT脑血管成像的实验设计:改善血管增强效果同时减少对比剂用量和辐射剂量

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国际医学放射学杂志 2015年第4期 394-394页

作者： E.S.Cho T.S.Chung S.J.Ahn k.H.Chong J.H.Baek S.H.Suh 刘学焕 Department of Radiology Yonsei University College of Medicine Gangnam Severance Hospital

摘要目的与使用120 k v管电压的扫描方案比较,确定使用70 k v管电压进行CT脑血管成像的可行性,并确定70 k v管电压方案可能降低的对比剂(CM)用量。方法设置

关键词：管电压辐射剂量对比剂脑血管 CT

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冠状动脉快速千伏切换单源双能CT成像

国际医学放射学杂志 2013年第6期 571-571页

作者： A.S.Jonathan J.M.O'Brien P.E.Earls J.k.Min T.M.LaBounty R.C.Cury 徐国萍 Department of Medical Imaging St.Paul’s Hospital 1081 Burrard StVancouver BC Canada V6Z 1Y6

摘要目的评价双能CT降低冠状动脉CT血管成像束硬化(BH)伪影的能力,确定在双能CT中冠状动脉和心肌最佳的单色能量水平信噪比(SNR)和对比噪声比(CNR),并与

关键词：冠状动脉 CNR SNR 双能 CT