Academic literature on the topic 'Light concentrator'

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Journal articles on the topic "Light concentrator"

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Webb, Robert H. "Concentrator for laser light." Applied Optics 31, no. 28 (1992): 5917. http://dx.doi.org/10.1364/ao.31.005917.

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Hornung, Thorsten, and Peter Nitz. "Light diffraction by concentrator Fresnel lenses." Optics Express 22, S3 (2014): A686. http://dx.doi.org/10.1364/oe.22.00a686.

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Lee, Jaesang, Michael Slootsky, Kyusang Lee, Yifan Zhang, and Stephen R. Forrest. "An electrophosphorescent organic light emitting concentrator." Light: Science & Applications 3, no. 6 (2014): e181-e181. http://dx.doi.org/10.1038/lsa.2014.62.

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Kildishev, Alexander V., Ludmila J. Prokopeva, and Evgenii E. Narimanov. "Cylinder light concentrator and absorber: theoretical description." Optics Express 18, no. 16 (2010): 16646. http://dx.doi.org/10.1364/oe.18.016646.

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Wróbel, Piotr, Tomasz J. Antosiewicz, Tomasz Stefaniuk, and Tomasz Szoplik. "Plasmonic concentrator of magnetic field of light." Journal of Applied Physics 112, no. 7 (2012): 074304. http://dx.doi.org/10.1063/1.4757033.

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Oliveto, Vincent, and Diana-Andra Borca-Tasciuc. "Broadband asymmetric light transmission interfaces for luminescent solar concentrators." Nanoscale Advances 3, no. 12 (2021): 3627–33. http://dx.doi.org/10.1039/d0na00946f.

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Michel, Céline, Pascal Blain, Lionel Clermont, et al. "Waveguide solar concentrator design with spectrally separated light." Solar Energy 157 (November 2017): 1005–16. http://dx.doi.org/10.1016/j.solener.2017.09.015.

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Maruyama, Toshiro, and Satoshi Osako. "Wedge-shaped light concentrator using total internal reflection." Solar Energy Materials and Solar Cells 57, no. 1 (1999): 75–83. http://dx.doi.org/10.1016/s0927-0248(98)00173-1.

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Nair, MG, K. Ramamurthy, and AR Ganesan. "Design of an anidolic concentrator and evaluation of daylight enhancement under an overcast sky." Lighting Research & Technology 48, no. 8 (2016): 917–29. http://dx.doi.org/10.1177/1477153515593578.

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This paper discusses the performance evaluation of anidolic concentrators in an overcast sky condition. The concentrators were designed, with acceptance angles of 60°, 70° and 80°, first by maintaining the profile of the concentrator’s uniform and secondly by keeping the height uniform. Studies were done using these concentrators with a model light pipe and the performance was compared with that of an acrylic dome and a profiled Fresnel collector. For a given condition, the illuminance ratio (ratio of illuminance measured at the base of the pipe to external illumination) increased with the acc
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Foster, Stephania, Firdaus Muhammad-Sukki, Roberto Ramirez-Iniguez, et al. "Assessment of the RACPC Performance under Diffuse Radiation for Use in BIPV System." Applied Sciences 10, no. 10 (2020): 3552. http://dx.doi.org/10.3390/app10103552.

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In the last four decades there has been a significant increase in solar photovoltaic (PV) capacity, which makes solar one of the most promising renewable energy sources. Following this trend, solar power would become the world’s largest source of electricity by 2050. Building Integrated Photovoltaic (BIPV) systems, in which conventional materials can be replaced with PV panels that become an integral part of the building, can be enhanced with concentrating photovoltaic (CPV) systems. In order to increase the cost efficiency of a BIPV system, an optical concentrator can be used to replace expen
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Dissertations / Theses on the topic "Light concentrator"

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Schultz, Ross Dane. "On the characterisation of diffused light and optical elements in high concentrator photovoltaic modules." Thesis, Nelson Mandela Metropolitan University, 2015. http://hdl.handle.net/10948/5170.

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High Concentrated Photovoltaics (H-CPV) promise a more efficient, higher power output than traditional photovoltaic modules. This is achieved by concentrating sunlight onto a small triple junction (CTJ) InGaP/InGaAs/Ge cell (ranging from 3.14 mm2 to 1 cm2) by using precision optical systems. These systems utilise non-imaging optics to concentrate and distribute the incident solar flux uniformly onto the CTJ device receiver to achieve maximum performance and power output from an H-CPV module. However, the performance of the device can be reduced due to the partial or complete absorption of a ra
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Razon, Anat. "Dynamic model of a three layer photovoltaic panel and the optimal use of spill-over light in a concentrator photovoltaic system /." [Sedek Boker, Israel] : Ben-Gurion University of the Negev, 2009. http://aranne5.lib.ad.bgu.ac.il/others/RazonAnat.pdf.

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Chalupa, Petr. "Optimalizace difraktivních struktur pro koncentrátorový fotovoltaický panel." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2011. http://www.nusl.cz/ntk/nusl-219234.

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This work is focused on the possibility of sunlight concentration on silicon dies or silicon stripes. The main aim of this work is the design and realization of the concentration element, or system, which is based on diffractive optics and optimized to achieve possibly high optical efficiency. The theoretical part deals with problems of photovoltaic systems and sunlight concentration. The practical part deals with design of optical microstructures and their realization by e-beam lithography using the electron-beam writer BS600. Microstructures created in the electron resist on silicon substrat
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Thalhammer, Christof. "Improving the light yield and timing resolution of scintillator-based detectors for positron emission tomography." Doctoral thesis, Humboldt-Universität zu Berlin, Mathematisch-Naturwissenschaftliche Fakultät, 2015. http://dx.doi.org/10.18452/17248.

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Positronen-Emissions-Tomographie (PET) ist eine funktionelle medizinische Bildgebungstechnik. Die Lichtausbeute und Zeitauflösung Szintillator basierter PET Detektoren wird von diversen optischen Prozessen begrenzt. Dazu gehört die Lichtauskopplung aus Medien mit hohem Brechungsindex sowie Sensitivitätsbegrenzungen der Photodetektoren. Diese Arbeit studiert mikro- und nano-optische Ansätze um diese Einschränkungen zu überwinden mit dem Ziel das Signal-Rausch Verhältnis sowie die Bildqualität zu verbessern. Dafür wird ein Lichtkonzentrator vorgeschlagen um die Sensitivität von Silizium Photomul
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Weatherell, Charlotte Anna. "Predicting algal concentration in waste stabilisation ponds." Thesis, University of Newcastle Upon Tyne, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.366478.

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Ouellette, Guy René. "Nonimaging light concentration using total internal reflection films." Thesis, University of British Columbia, 1991. http://hdl.handle.net/2429/30246.

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Here is presented a method of fabricating nonimaging light concentrators from total internal reflection film (TIRF). Prototypes have been made and tested, and found to operate in agreement with predictions of ray-tracing codes. The performance is comparable with that of concentrators made from specular reflecting materials.<br>Science, Faculty of<br>Physics and Astronomy, Department of<br>Graduate
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Fan, Jia. "Concentration quenching mechanism in doped OLED materials." HKBU Institutional Repository, 2007. http://repository.hkbu.edu.hk/etd_ra/829.

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Liu, Yang, and Ziyu Wang. "The Numerical Computation Method of Physical Quantity of Dust Concentration Based on Matlab." Thesis, Högskolan i Gävle, Avdelningen för elektronik, matematik och naturvetenskap, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:hig:diva-19149.

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With the rapid development of the industry all over the world, the consumption of fossil fuel of human activities has reached an extremely high level which result in an incredible dust emission level nowadays. As one of the major environment challenges today, dust pollution has become a vital issue that the human beings have to face and resolve.    To tackle the dust pollution problem, a reliable measurement of the dust concentration level is essential. In recent years, methods with different principles are used to detect the dust concentration have been developed. The methods developed based 
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Melo, Lauro Luis Martins Medeiros de. "Perfil sensorial como ferramenta para o desenvolvimento de chocolates ao leite Diet em sacarose e Light em calorias contendo substitutos da sacarose e de gordura." [s.n.], 2008. http://repositorio.unicamp.br/jspui/handle/REPOSIP/254224.

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Orientador: Helena Maria Andre Bolini<br>Tese (doutorado) - Universidade Estadual de Campinas, Faculdade de Engenharia de Alimentos<br>Made available in DSpace on 2018-08-12T13:31:07Z (GMT). No. of bitstreams: 1 Melo_LauroLuisMartinsMedeirosde_D.pdf: 959944 bytes, checksum: ee44eced3d2acbc8900f5441b96782b5 (MD5) Previous issue date: 2008<br>Resumo: Atualmente, há um interesse crescente de consumidores do mundo todo por alimentos e bebidas com menores quantidades de calorias. Neste contexto, a Análise Sensorial é a única forma de se determinar a aceitação e o perfil em relação à aparência, ar
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Jackson, Philip B. "Full-field concentration measurement using laser-induced Rayleigh light scattering." [Gainesville, Fla.] : University of Florida, 2006. http://purl.fcla.edu/fcla/etd/UFE0013701.

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Books on the topic "Light concentrator"

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Larson, Elsie J. Dawn's early light. Thomas Nelson, 1996.

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Chen, Xizhang, Sergey Konovalov, Victor Gromov, and Yurii Ivanov. Surface Processing of Light Alloys Subject to Concentrated Energy Flows. Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-33-4228-6.

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Williams, Michael D. Influence of refractive index and solar concentration on optical power absorption in slabs. Langley Research Center, 1988.

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Majdanku, Państwowe Muzeum na, ed. Letters from Majdanek: KL Lublin in the light of secret messages. Państwowe Muzeum na Majdanku, 2009.

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Occupational Medicine and Hygiene Laboratory. Man-made mineral fibre: Airborne number concentration by phase-contrast light microscopy. Health and Safety Executive, 1988.

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Between darkness and light: 60 years after "Kristallnacht". Rubin Mass, 1998.

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Veronica, Groocock, ed. I light a candle. Grafton, 1988.

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Veronica, Groocock, ed. I light a candle. Grafton, 1987.

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Veronica, Groocock, ed. I light a candle. V. Mitchell, 1995.

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Brewster, Eva. Progeny of light/vanished in darkness. NeWest Publishers, 1994.

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Book chapters on the topic "Light concentrator"

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Gupta, Mayank, Atul Kumar Dubey, Virendra Kumar, and Dalip Singh Mehta. "Daylight Harvesting for Indoor Illumination Using Solar Concentrator and Light Guide." In Springer Proceedings in Physics. Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-15-9259-1_173.

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van Mil, Imke Wies, Olga Popovic Larsen, Karina Mose, and Anne Iversen. "Design with Knowledge—Light in Learning Environments." In Teacher Transition into Innovative Learning Environments. Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-7497-9_17.

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AbstractA range of artificial lighting characteristics have been found to influence our visual and cognitive capabilities, mood, motivation and/or (social) behaviour—all affecting how we (academically) perform. One such influential characteristic is spatial contrast, or the way light is distributed in space causing a pattern of light and darkness. This study looks at if and how spatial contrast influences pupil behaviour, and specifically their ability to concentrate. We first explored whether variances in pupil noise, physical activity and mood, which have been found to affect concentration, occur when exposed to either a high or a low spatial contrast in their learning environment. Preliminary data from field experiments in a primary school indicates towards decreased noise levels and improved environmental satisfaction when a high spatial contrast condition is present. This implies improved environmental circumstances to concentrate. Further research to confirm this assumption will be undertaken.
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Bracamonte, Luis, Karoline Nilsen, Christian Rosenkilde, and Espen Sandnes. "Alumina Concentration Measurements in Cryolite Melts." In Light Metals 2020. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-36408-3_82.

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Tromholt, Thomas. "Concentrated Light for Organic Photovoltaics." In Stability and Degradation of Organic and Polymer Solar Cells. John Wiley & Sons, Ltd, 2012. http://dx.doi.org/10.1002/9781119942436.ch9.

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Lillebuen, B., and Th Mellerud. "Current Efficiency and Alumina Concentration." In Essential Readings in Light Metals. John Wiley & Sons, Inc., 2013. http://dx.doi.org/10.1002/9781118647851.ch24.

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Long, S. P., P. K. Farage, G. Y. Nie, and C. P. Osborne. "Photosynthesis and Rising CO2 Concentration." In Photosynthesis: from Light to Biosphere. Springer Netherlands, 1995. http://dx.doi.org/10.1007/978-94-009-0173-5_1085.

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Lillebuen, B., and Th Mellerud. "Current Efficiency and Alumina Concentration." In Essential Readings in Light Metals. Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-48156-2_24.

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Chen, Yang, Ting-an Zhang, Guo-zhi Lv, and Xi Chao. "Effect of Sodium Alkali Concentration on Calcification–Carbonization Process." In Light Metals 2020. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-36408-3_20.

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Suss, A. G., A. B. Kozyrev, S. N. Gorbachev, O. V. Petrakova, and A. V. Panov. "Refining Technology of Scandium Concentrate Obtained from Bauxite Residue." In Light Metals 2019. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-05864-7_175.

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Gabriel, A., J. Machado, R. Gomes, et al. "Concentrated photoactivation: focusing light through scattering." In IFMBE Proceedings. Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-19387-8_419.

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Conference papers on the topic "Light concentrator"

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Wróbel, Piotr, Tomasz Stefaniuk, Tomasz J. Antosiewicz, and Tomasz Szoplik. "Concentrator of magnetic field of light." In SPIE Photonics Europe, edited by Allan D. Boardman, Nigel P. Johnson, and Richard W. Ziolkowski. SPIE, 2012. http://dx.doi.org/10.1117/12.922912.

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Chen, Yi-Yung, Cheng-Yen Liu, and Allen Jong-Woei Whang. "Static refractive concentrator design for light collimation." In Optical Engineering + Applications, edited by Roland Winston and R. John Koshel. SPIE, 2008. http://dx.doi.org/10.1117/12.793813.

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Levina, Svetlana A., Evgeniy D. Filimonov, Alexandra V. Malevskaya, et al. "Light budget in MJ SC at temperature tuning." In 15th International Conference on Concentrator Photovoltaic Systems (CPV-15). AIP Publishing, 2019. http://dx.doi.org/10.1063/1.5124214.

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Whang, Allen J., Chun-Hsien Chuang, Jr., and Yi-Yung Chen. "Analysis of light guiding property in light piped based solar concentrator." In Integrated Optoelectronic Devices 2008, edited by Christoph M. Greiner and Christoph A. Waechter. SPIE, 2008. http://dx.doi.org/10.1117/12.760664.

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Mosalam, Khalid M., Jaume Armengou, Tarek I. Zohdi, Núria Casquero-Modrego, Aashish Ahuja, and Baofeng Huang. "Anidolic Day-Light Concentrator in Structural Building Envelope." In Annual International Conference on Architecture and Civil Engineering. Global Science & Technology Forum (GSTF), 2013. http://dx.doi.org/10.5176/2301-394x_ace13.140.

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Riaz, Amna, and Steve Collins. "A Slab Fluorescent Concentrator for Visible Light Communications." In 2019 2nd IEEE Middle East and North Africa COMMunications Conference (MENACOMM). IEEE, 2019. http://dx.doi.org/10.1109/menacomm46666.2019.8988526.

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Garbrecht, Oliver, José Zapata, and Reinhold Kneer. "Solar Concentrator Shape Characterisation Using Composite Light-Field Imaging." In ASME 2015 9th International Conference on Energy Sustainability collocated with the ASME 2015 Power Conference, the ASME 2015 13th International Conference on Fuel Cell Science, Engineering and Technology, and the ASME 2015 Nuclear Forum. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/es2015-49649.

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The shape of an installed solar concentrator (e.g. a heliostat) may differ from its original design due to manufacturing defects, structural/wind loads and thermal expansion. By measuring the shape of a solar concentrator, it is possible to account for the deviation in optical performance from its original design point. A method to measure concentrator shape needs to be fast, accurate, and not involve contact or interference with the reflective surface of the concentrator. State-of-the-art techniques include flux mapping, photogrammetry, and deflectometry using conventional cameras. This paper
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Besida, Olivier, Yves Piret, and Françoise Rondeaux. "Fluorescent photonic crystal fibers trapping light in a luminescent solar concentrator." In 15th International Conference on Concentrator Photovoltaic Systems (CPV-15). AIP Publishing, 2019. http://dx.doi.org/10.1063/1.5124189.

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Madsen, Christi K., and Jianlong Lin. "Light pipes for CPV: Simulation and measurement of sidewall loss mechanisms." In 16TH INTERNATIONAL CONFERENCE ON CONCENTRATOR PHOTOVOLTAIC SYSTEMS (CPV-16). AIP Publishing, 2020. http://dx.doi.org/10.1063/5.0032994.

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Seno, Minato, Kentaroh Watanabe, Masakazu Sugiyama, and Yoshiaki Nakano. "Performance of monolithic integrated series-connected GaAs solar cells under concentrated light." In 9TH INTERNATIONAL CONFERENCE ON CONCENTRATOR PHOTOVOLTAIC SYSTEMS: CPV-9. AIP, 2013. http://dx.doi.org/10.1063/1.4822191.

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Reports on the topic "Light concentrator"

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Keavney, C., L. Geoffroy, M. Sanfacon, and S. Tobin. Light-trapping concentrator cells. Office of Scientific and Technical Information (OSTI), 1989. http://dx.doi.org/10.2172/5231774.

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Katardjiev, Ilia. Characterization of Fractal Concentrators of Light at High Concentrations. Uppsala University, 2021. http://dx.doi.org/10.33063/diva-434798.

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Geider, R. J. Control of light saturated photosynthesis: Concentration and activity of ribulose bisphosphate carboxylase. Final report, September 1, 1993--February 28, 1997. Office of Scientific and Technical Information (OSTI), 1997. http://dx.doi.org/10.2172/491409.

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Alviarez, Vanessa, Michele Fioretti, Ken Kikkawa, and Monica Morlacco. Two-Sided Market Power in Firm-to-Firm Trade. Inter-American Development Bank, 2021. http://dx.doi.org/10.18235/0003493.

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Firms in global value chains (GVCs) are granular and exert bargaining power over the terms of trade. We show that these features are crucial to understanding the well-established variation in prices and pass-through across importers and exporters. We develop a novel theory of prices in GVCs, which tractably nests a wide range of bilateral concentration and bargaining power configurations. We test and evaluate the models predictions using a novel dataset merging transaction-level U.S. import data with balance sheet data for both U.S. importers and foreign exporters. Our pricing framework enhanc
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Control of light-saturated photosynthesis by the concentration and activity of ribulose bisphosphate carboxylase. Final report. Office of Scientific and Technical Information (OSTI), 1995. http://dx.doi.org/10.2172/564142.

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Sexual coercion: Young men's experiences as victims and perpetrators. Population Council, 2004. http://dx.doi.org/10.31899/pgy22.1008.

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Available evidence suggests that a considerable number of young people experience nonconsensual sex across the world, however research has mainly concentrated on the experiences of young girls and their perspectives of perpetrators of violence. Little is known about coercion among young males as victims or perpetrators. Case studies presented at an international consultative meeting in September 2003 in New Delhi, India, challenged the common assumption that only women are victims of violence, and shed light on the experiences of young males as victims of sexual coercion. These case studies al
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