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9篇 您的检索式:作者名="A.Bernstein"
    题名 作者 年代 出处 被引量
1Non-Maxwellian electron distributions resulting from direct laser acceleration in near-critical plasmas显示文摘The irradiation of few-nm-thick targets by a finite-contrast high-intensity short-pulse laser results in a strong pre-expansion of these targets at the arrival time of the main pulse.The targets decompress to near and lower than critical densities with plasmas extending over few micrometers,i.e.multiple wavelengths.The interaction of the main pulse with such a highly localized but inhomogeneous target leads to the generation of a short channel and further self-focusing of the laser beam.Experiments at the Glass Hybrid OPCPA Scaled Test-bed(GHOST)laser system at University of Texas,Austin using such targets measured non-Maxwellian,peaked electron distribution with large bunch charge and high electron density in the laser propagation direction.These results are reproduced in 2D PIC simulations using the EPOCH code,identifying direct laser acceleration(DLA)[1]as the responsible mechanism.This is the first time that DLA has been observed to produce peaked spectra as opposed to broad,Maxwellian spectra observed in earlier experiments[2].This high-density electrons have potential applications as injector beams for a further wakefield acceleration stage as well as for pump-probe applications.T.Toncian C.Wang E.McCary A.Meadows A.V.Arefiev J.Blakeney K.Serratto D.Kuk C.Chester R.Roycroft L.Gao H.Fu X.Q.Yan J.Schreiber I.Pomerantz A.Bernstein H.Quevedo G.Dyer T.Ditmire B.M.Hegelich 2016Matter and Radiation at Extremes2016,1,1:3
2High velocity suspension flame spraying (HVSFS) of metal doped bioceramic coatings显示文摘1.Introduction Calcium phosphate ceramics,such as hydroxyapatite or tricalciumphosphate as well as bioglass,are successfully used as coatings to improve the fixation of dental implants or load-bearing implants in the human bone[1].The demand for surgical procedures such as hip and knee arthroplasties,primary as well as revision procedures,is projected to increase for the foreseeable future[2].The possibility of an infection is amajor risk for all implants[3].The treatment of these periprosthetic joint infections is difficult and often requires the replacement of the implant[4],which is a significant burden for the patient and comes at an increased economic cost[5].P.Krieg A.Killinger R.Gadow S.Burtscher A.Bernstein 2017Bioactive Materials2017,2,3:1
3Information integration in the enterprise显示文摘Philip A.Bernstein Laura M.Haas 0,,09:1
4A survey of approaches to automatic schema matching显示文摘Erhard Rahm Philip A.Bernstein 0,,:1
5国家财富显示文摘汤姆·费利斯埃(Thom Filicia)在2005日本国际博览会(Expo 2005 Aichi Japan)上展现美国最佳贵宾套房。弗瑞德·伯恩斯坦(fred a.bernstein) 吉迷·考荷森(jimmy cohrssen)(摄影) 2005装饰装修天地2005,,10:0
6生意的艺术显示文摘在为第五大道的投资公司Thomas H.Lee Capital所做的设计中,皮尔斯·艾伦(Pierce Allen)以布置独特的油画,照片。弗瑞德·伯恩斯坦(fred a.bernstein) 艾里克·莱格尼尔(eric laignel)(摄影) 2005装饰装修天地2005,,12:0
7华盛顿鲜亮的新外套显示文摘这样的建筑也是与城市的最佳连接点。它的戏剧性从街道开始,通过建筑在户外观景平台上达到高潮。在那里能看到开阔的河面、华盛顿纪念碑,它们将演艺中心与西南的城区联系起来。谁能想到西南那片经常被忽略的、经过城市更新运动毒害的条块状城区竟与我们的建筑如此接近?Fred A.Bernstein 2011城市环境设计2011,,4:0
8《医学磁共振》杂志论文的写作及审稿(英文)显示文摘《医学磁共振》杂志(MRM或官方简称'Magn Reson Med')是一本国际性期刊,迄今为止已收到来自38个不同国家(和地区)的稿件。近年来,越来越多的中国学者关注我们的杂志。本文是Magn Reson Med杂志主编应邀在澳大利亚墨尔本召开的2012年国际磁共振年会上'聚焦中国'的发言稿,将向大家介绍《医学磁共振》杂志的概况、审稿流程、对审稿人的要求以及杂志社给作者的一些写作建议和投稿的注意事项。Matt A.Bernstein 邢伟 2013磁共振成像2013,4,1:0
9最快直升机争霸战显示文摘到底谁的直升机更给力?美国西科斯基公司和欧洲直升机公司之间的最快直升机竞争已经进入白热化。JOSEPH A.BERNSTEIN 2011科技新时代2011,,1:0
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