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879篇 您的检索式:作者名="Parsons D"
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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
2Long-term follow-up of aviators after functional endoscopic sinus surgery for sinus barotrauma显示文摘PARSONS D S CHAMBERS D W BOYD E M 1997Aviat Space Environ Med1997,68,:1
3sciS,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
4Prevalence of the poultry red mite (Dermanyssus gallinae ) in England显示文摘Fiddes M D Le Gresley S Parsons D G 2005Vet Rec2005,157,8:1
5Phytase, Citric Acid and 1α- Hydroxycholecalciferol Improve Phytate Phosphorus Utilization in Chicks Feed Corn-soybean Meal Diet 显示文摘Snow J Baker D H Parsons C M 2004Pouh Sci2004,83,:1
6Distributed dynamic modeling of interrill overland flow 显示文摘Parsons A J Wainwright J Abrahams A D 1997Hydrological Processes1997,11,:1
7Functional endoscopic sinus surgical outcomcs for contact point headaches 显示文摘Parsons D S Batra P S 1998Laryngoscope1998,108,5:1
8Antigenic and biological characterisatien of avian paramyxovirus type Ⅰ isolates from pigenns-an international collaborative study显示文摘Alexander D J Russell P H Parsons G 1985Avian Pathol1985,14,:1
9Evaluation of phosphorus based nutrient management strategies in Pennsylvania显示文摘Weld J L Parsons R L Beegle D B 2002Journal of soil and water conservation2002,57,6:1
10Decomposition of Populus tremuloides leaf litter accelerated by addition of Alnus crispa litter显示文摘Taylor BR Parsons WFJ Parkinson D 1989Can J For Res1989,19,5:1
11Avian paramyxovirus type 1 infec- tions of racing pigeons: 2 pathogenicity experiments in pigeons and chiekens显示文摘Alexander D J Parsons G 1984Vet Rec1984,114,:1
12Nitrogen and lignin content as predictors of litter decay rates:a microcosm test显示文摘Taylor B R Parkinson D Parsons W F 1989Ecology1989,70,1:1
13Retiform 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
14Antigenic and biological characterization of avian paramyxovirus type 1 isolates from pigeons-an international collaborative study显示文摘Alexander D J Russell P H Parsons G 1985Avian Pathol1985,14,:1
15Accumulation of wound--inducible ACC synthase transcript in tomato fruit is inhibited by salicylic acid and polyamines显示文摘Li N Parsons B L L iu D 1992PlantMol Biol1992,18,:1
16Resistance to overland flow on desert hillslops显示文摘Abrahams A D Parsons A J Luk S H 1986Journal of Hydrology1986,88,:1
17Antigenic and biological characterization of paramyxovirus type Ⅰ isolates from pigeons:an international collaborative study显示文摘Alexander D J Russell P H Parsons G 1985Avian Pathology1985,14,:1
18Massively parallel sequencing of forensic STRs: Considerations of the DNA commission of the International Society for Forensic Genetics (ISFG) on minimal nomencla- ture requirements显示文摘Parson W Ballard D Budowle B et ol 2016Forensic Sci Int Genet2016,22,:1
19An interlaboratory comparison of bone lead measurements via K - shell X - ray fluorescence 显示文摘PARSONS P J BELLIS D J HETTER K M 2008X - Ray Spectrom2008,37,:1
20Antigenic and biological characterization of avian paramyxovirus type 1 isolatesfrom pigeon- an international collaboration study显示文摘Alexander D J Russdl P H Parsons G 1985Avian Pathol1985,14,:1
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