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1246篇 您的检索式:作者名="Parson A"
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1Highly efficient GaAs solar cells by limiting light emission angle显示文摘In a conventional flat plate solar cell under direct sunlight,light is received from the solar disk,but is re-emitted isotropically.This isotropic emission corresponds to a significant entropy increase in the solar cell,with a corresponding drop in efficiency.Here,using a detailed balance model,we show that limiting the emission angle of a high-quality GaAs solar cell is a feasible route to achieving power conversion efficiencies above 38%with a single junction.The highest efficiencies are predicted for a thin,light trapping cell with an ideal back reflector,though the scheme is robust to a non-ideal back reflector.Comparison with a conventional planar cell geometry illustrates that limiting emission angle in a light trapping geometry not only allows for much thinner cells,but also for significantly higher overall efficiencies with an excellent rear reflector.Finally,we present ray-tracing and detailed balance analysis of two angular coupler designs,show that significant efficiency improvements are possible with these couplers,and demonstrate initial fabrication of one coupler design.Emily D Kosten Jackson H Atwater James Parsons Albert Polman Harry A Atwater 2013Light(Science & Applications)2013,2,1:9
2戒烟对早期肺癌患者预后的影响:观察性研究的系统回顾和荟萃分析显示文摘目的 系统分析戒烟对原发肺部肿瘤患者预后影响的试验证据。 设计 采用荟萃分析方法对研究结果进行系统分析。 数据来源 检索数据库CINAHL(1981年开始),Embase(1980年开始),Medline(1966年开始),Web of Science(1966年开始)以及CENTRAL(1977年开始),截止日期均为2008年12月,选取相关研究文献,并包括其参考文献。A Parsons A Daley P Aveyard 张黎(译) 代华平(校) 2010英国医学杂志中文版2010,13,4:5
3The penile tourniquet显示文摘止血带通常在阴茎外科被使用完成一个不流血的操作领域或 intraoperatively 产生人工的勃起。几种技术被描述了,但是有数据的少量和指南的缺乏指导他们的安全使用。在阴茎外科,它是是主要担心的止血带使用的本地而非全身的效果。止血带时间应该被坚守最小,当可得到的有限数据建议那灌注,损害能甚至在 ischaemia 的短经期以后发生。象糖尿病患者和 arteriopaths 那样的高风险组在特别风险。进一步的研究被需要决定安全止血带时间和压力。Brian A Parsons Odunayo Kalejaiye Mustafa Mohammed Raj A Persad 2013Asian Journal of Andrology2013,15,3:4
4Antiscale magnetic pretreatment of reverse osmosis feedwater显示文摘 Judd S J Parsons S A 1997Desalination1997,110,12:1
5Uncemented tumor endoprostheses at the knee显示文摘Griffin A M Parsons J A Davis A M 2005Clin Orthop Relat Res2005,,438:1
6Failed primary management of iatrogenie biliary injury: incidence and significance of concomitant hepatic arterial disruption显示文摘Koffron A Ferrario M Parsons W 2001Surgery2001,130,:1
7sciS,an icmF homolog in Salmonella enterica serovar Typhimurium,limits intracellular replication and decreases virulence显示文摘Parsons D A Heffron F 2005Infection and Immunity2005,73,:1
8Effects of age, gender and race/ethnicity on the pharmacokinetics of posaconazole in healthy volunteers 显示文摘Sansone- Parsons A Krishna G Simon J 2007Antimicrob Agents Chemother2007,51,2:1
9Biotites as indicators of fluorine fugacities in late stage magmatic fluids: the Gardar province of south Greenland 显示文摘Finch A A Parsons I Mingard S C 1995J Petrol1995,36,:1
10Distributed dynamic modeling of interrill overland flow 显示文摘Parsons A J Wainwright J Abrahams A D 1997Hydrological Processes1997,11,:1
11A randomized trial of tenecteplase versus alteplase for acute ischemic stroke显示文摘Parsons M Spratt N Bivard A 2012N Engl J Med2012,366,:1
12Uncemented tumor endoprostheses at the knee: root causes of failure 显示文摘Griffin A M Parsons J A Davis A M 2005Clin Orthop Relat Res2005,438,:1
13Fascin:a key regulator of cytoskeletal dynamics显示文摘Jayo A Parsons M 2010Int J Biochem Cell Biol2010,42,10:1
14Speeiation and uptake of arsenic accumulated by corn seedlings using XAS and DRC-ICP-MS 显示文摘Parsons J G Martinez-Martinez A Peraha-Videa J R 2008Chemosphere2008,70,:1
15Antiscale Magnetic Pretreatment of Reverse Osmosis Feedwater显示文摘J S Baker S J Judd S A Parsons 1997Desalination1997,110,12:1
16The influence of diabetes mellitus and hyperglyeaemia on stroke incidence and outcome 显示文摘Baird T A Parsons M W Barber P A 2002Clin Neurosei2002,9,6:1
17Fascin: a key regulator of cytoskeletal dynamics显示文摘Jayo A Parsons M 2010Int J Biochem Cell Biol2010,42,10:1
18Speciation and uptake of ar- senic accumulated by corn seedlings using XAS and DRC-ICP-MS显示文摘PARSONS J G MARTINEZ-MARTINEZ A PER- ALTA-VIDEA J R 2008Chemosphere2008,70,11:1
19Retiform hemangioendo- theliomas usually do not express D2-40 and VEGFR-3 显示文摘Parsons A Sheehan D J Sangueza O P 2008Am J Dermatopathol2008,30,1:1
20Characterisation of algogenic organic matter extracted from cyanobacteria, green algae and diatoms 显示文摘Henderson R K Baker A Parsons S A 2008Wat Res2008,42,13:1
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