Relevant bibliographies by topics / Schermi solari

Academic literature on the topic 'Schermi solari'

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Published: 10 March 2023

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Journal articles on the topic "Schermi solari"

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Journal, Baghdad Science. "Fabricated of Cu Doped ZnO Nanoparticles for Solar Cell Application." Baghdad Science Journal 15, no. 2 (June 4, 2018): 198–204. http://dx.doi.org/10.21123/bsj.15.2.198-204.

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Copper with different concentrations doped with zinc oxide nanoparticles were prepared from a mixture of zinc acetate and copper acetate with sodium hydroxide in aqueous solution. The structure of the prepared samples was done by X-ray diffraction, atomic force microscopy (AFM) and UV-VIS absorption spectrophotometer. Debye-Scherer formula was used to calculate the size of the prepared samples. The band gap of the nanoparticle ZnO was determined by using UV-VIS optical spectroscopy.
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Warman, Jijim Fadilla, and Dahyunir Dahlan. "Sintesis Lapisan Titanium Dioxide dengan Doping Ganda Copper-Silver untuk Aplikasi Fotoanoda Dye Sensitized Solar Cell." Jurnal Fisika Unand 9, no. 3 (August 14, 2020): 415–20. http://dx.doi.org/10.25077/jfu.9.3.415-420.2020.

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Lapisan tipis TiO2 dengan doping ganda Cu-Ag untuk aplikasi fotoanoda Dye Sensitized Solar Cell telah disintesis. Lapisan disintesis dengan metode Doctor Blade dengan variasi konsentrasi doping Cu-Ag sebesar 0 mol%, 1 mol%, 2 mol%, 3 mol%, dan 4 mol%. Lapisan dikarakterisasi dengan X-ray Diffraction untuk mengetahui struktur, fasa, dan ukuran kristalnya. Karakterisasi X-ray diffraction dilakukan pada lapisan tanpa doping dan lapisan dengan doping 1%. Struktur yang dihasilkan adalah tetragonal dan fasa anatase. Ukuran kristal yang didapatkan dari pengolahan data X-ray diffraction dengan Metode Scherer adalah 58,74 nm untuk lapisan tanpa doping dan 57,54 untuk lapisan doping 1%. Nilai celah pita energi yang diperoleh dari karakterisasi UV-Vis Spectrometry lapisan memiliki celah pita energi dengan rentang 3,1 - 3,2 eV. Berdasarkan hasil penelitian, nilai celah pita energi semakin kecil dengan penambahan doping ganda Cu-Ag. Lapisan yang telah disusun menjadi DSSC tipe sandwich kemudian dikarakterisasi menggunakan perangkat I-V Test untuk mengetahui efisiensinya. Efisiensi maksimum yang dicapai adalah 2,46% Cu-Ag co-doped TiO2 thin film for photoanode of Dye-Sensitized Solar Cell application have been synthesized. The film was synthesized using the Doctor Blade method with different concentrations of Cu-Ag (0, 1, 2, 3, 4) mol %. The films were characterized by X-Ray Diffraction for their structural, phase, and crystallite size. X-ray diffraction did at undoped and 1% co-doped concentration. X-ray diffraction data revealed the formation of the tetragonal and anatase phase for both undoped and co-doped films. The crystallite size determined using the Scherer method is 58,74 nm for undoped films and 57,54 nm for 1% co-doped concentration films. UV-Vis spectrometry was used for the characterization of the optical properties of films. Films were having an average total band gap of 3,1 - 3,2 eV. From the investigation, the value of optical bandgap decreased by the increase of Cu-Ag concentration. The films that arranged to be sandwich-type then characterized by using the I-V test device. The maximum efficiency is 2.46% at 1% dopant addition.
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Di Maio, Mariella. "A ciascuno il suo Camus. riflessioni sull'Ordre libertaire di Michel Onfray." MONDO CONTEMPORANEO, no. 3 (March 2013): 161–68. http://dx.doi.org/10.3280/mon2012-003006.

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Spunto di queste riflessioni č la pubblicazione di L'Ordre libertaire. La vie philosophique d'Albert Camus di Michel Onfray (Flammarion, Paris, 2012). Sulla scia delle biografie magistrali di Herbert R. Lottman e di Olivier Todd, questo poderoso studio biografico, di piů di 600 pagine, ha il pregio di sconvolgere schemi e approcci tradizionali a uno dei piů importanti e "scomodi" testimoni del XX secolo. Non a caso č stato oggetto in Francia di intense polemiche. Fa discutere il fatto che, in attesa delle celebrazioni per il centenario della nascita di Camus nel 2013, la rinnovata legittimazione dell'autore dell'Étranger e della Peste, premio Nobel nel 1957, sembrerebbe provenire dalla filosofia. Per Onfray, Camus č un «nietzschiano di sinistra», in opposizione ad altre interpretazioni che, a cominciare dagli attacchi di Sartre e dei sartriani, vengono contestate in vista della definizione di una filosofia (esistenziale e non esistenzialista) che č sostanzialmente etica cosmopolita, basata sul dialogo interculturale e sulla difesa dei diritti umani. L'opera di Camus (romanzi, saggi, teatro, cronache, discorsi, taccuini e riflessioni) testimonia l'impegno di un edonista libertario, anarchico e anticolonialista, ostile a tutti i totalitarismi, grazie alla sua morale solare di «africano del Nord», come amava definirsi.
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Egamberdieva, Dilfuza, Vyacheslav Shurigin, Burak Alaylar, Stephan Wirth, and Sonoko Dorothea Bellingrath-Kimura. "Bacterial endophytes from horseradish (Armoracia rusticana G. Gaertn., B. Mey. & Scherb.) with antimicrobial efficacy against pathogens." Plant, Soil and Environment 66, No. 7 (July 21, 2020): 309–16. http://dx.doi.org/10.17221/137/2020-pse.

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The current study aimed to determine the diversity of culturable endophytic bacteria associated with horseradish (Armoracia rusticana G. Gaertn., B. Mey. & Scherb.) grown in Chatkal Biosphere Reserve of Uzbekistan and their antimicrobial potentials. The bacteria were isolated from plant leaves and root tissues using culture-dependent techniques. The 16S rRNA sequences similarities of endophytic bacteria isolated from A. rusticana showed that isolates belong to species Paenibacillus, Raoultella, Stenotrophomonas, Pseudomonas, Serratia, Microbacterium, Enterobacter, Achromobacter, Brevibacterium, Pantoea, and Erwinia. The isolated endophytic bacteria Stenotrophomonas maltophilia KRT1, Serratia ficaria KRT5, and Pantoea agglomerans KLT4 possess antimicrobial activities against human pathogenic bacteria Staphylococcus aureus, Escherichia coli, and Candida albicans. The endophytic bacteria Paenibacillus typhae KRN1, Stenotrophomonas maltophilia KRT1, Pseudomonas kilonensis KRT11, Pseudomonas umsongensis KRT21, Brevibacterium frigoritolerans KLT2 and Pantoea agglomerans KLT4 inhibited phytopathogenic fungi Rhizoctonia solani, Fusarium culmorum, and F. solani. These findings indicate that plant endophytic bacteria with antimicrobial activity could be a source for producing agriculturally and pharmaceutically important antimicrobial compounds.
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Oleschuk, V. I. "GRID-CONNECTED PV SYSTEM EMPLOYING THREE INVERTERS REGULATED BY SYNCHRONOUS SCHEME OF PWM." Tekhnichna Elektrodynamika 2022, no. 5 (August 18, 2022): 23–28. http://dx.doi.org/10.15407/techned2022.05.023.

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The paper presents comparative analysis of three versions of the modified scheme of space-vector-based synchronous pulsewidth modulation (PWM), applied for control of three two-level inverters of transformer-based photovoltaic (PV) system, and focused on providing of the symmetry of winding voltage of power transformer during the whole adjustment range. Power supply of inverters is providing by the corresponding three solar strings consisting of a set of PV panels, and the outputs of three inverters are connected specifically with inverter-side windings of multi-winding grid-tired transformer. Results of MATLAB-simulation prove the fact of advanced spectral composition of the winding voltage of triple-inverter-based PV installation regulated by algorithms of synchronous space-vector PWM, assuring potential reduction of losses in these systems. References 10, table 1, figures 9.
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Bhukya, Muralidhar Nayak, and Venkata Reddy Kota. "A novel P&OT-Neville’s interpolation MPPT scheme for maximum PV system energy extraction." International Journal of Renewable Energy Development 7, no. 3 (December 15, 2018): 251–60. http://dx.doi.org/10.14710/ijred.7.3.251-260.

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Photovoltaic (PV) system posses an optimal operating pointing, termed as Maximum Power Point (MPP). Using Maximum Power Point Tracking (MPPT) algorithm, MPP of PV system has to be tracked continuously in any climatic conditions. In general, traditional Perturb and Observe (P&OT) MPP tracker is widely used among existing controllers. But, P&OT fails to harvest maximum power from solar panel, in addition oscillations around MPP results in low efficiency of the PV system. The contradiction involved in the traditional controller can be addressed as P&OT operates with a fixed step size. Hence, with large step size MPP can be reached quickly but the magnitude of oscillations around MPP are high. Similarly, when P&OT operated with tiny step size magnitude of oscillations can be reduced at the same time PV system consumes much time to reach MPP. In order to eliminate the contradiction involved with traditional MPPT scheme and effectively optimize PV system energy, this paper put forwards a hybrid MPPT scheme based on P&OT and Neville interpolation. The proposed scheme is executed in two stages. In the first stage, P&OT is operated with a large step size till the voltage reaches near to maximum point. In the second stage, Neville interpolation is used to find the maximum power point. The performance of the proposed scheme is compared with Golden Section Search (GSS) and P&OT MPPT controllers. With the proposed scheme the convergence time required to reach MPP is improved greatly. Experimental prototype is designed and developed to verify the performance of the proposed scheme. Experimental and simulation results provide enough evidence to show superiority of the proposed scheme.Article History: Received December 15th 2017; Received in revised form July 16th 2018; Accepted September 12th 2018; Available onlineHow to Cite This Article: Bhukya, M. N. and Kota, V. R. (2018) A Novel PandOT-Neville’s Interpolation MPPT Scheme for Maximum PV system energy extraction. International Journal of Renewable Energy Development, 7(3), 251-260https://dx.doi.org/10.14710/ijred.7.3.251-260
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Sanogo, S., and X. B. Yang. "Recent Outbreak of Soybean Sudden Death Syndrome in Iowa." Plant Disease 83, no. 6 (June 1999): 590. http://dx.doi.org/10.1094/pdis.1999.83.6.590c.

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Sudden death syndrome (SDS) of soybean, caused by Fusarium solani f. sp. glycines, was first found in four Iowa counties in 1993 at low intensities. Following the first report of the disease, a statewide survey in 1994 and 1995 showed an overall low prevalence of the disease, mainly in eastern Iowa (2). In 1998, an epidemic of the disease occurred with drastic increases in prevalence and severity at regional, local, and field levels. The disease was found in 31 Iowa counties covering five out of the nine Iowa crop-reporting districts, with expansion in occurrence northward and westward. There were 12 SDS-affected counties in the North Central and Central districts, and 19 in the East Central, Southeast, and Northeast districts. To assess the extent of SDS increase at the local level, extensive surveys were conducted in 1998 in three areas where previous surveys were made in 1994 or 1995. In Washington County (Southeast District), the frequency of infestation has increased from 5% (2 of 40 fields surveyed) in 1995 to 30% in 1998. In Black Hawk County (East Central District), 26% of the fields examined had SDS, compared with 4.5% in 1995 (2 of 44 fields). In Story County (Central District), 35% of soybean fields were found with SDS in 1998, as opposed to 3% (2 of 62 fields) in 1994. In previous surveys (2), large disease patches (about 1 ha) were not found in central Iowa and were mainly limited to eastern counties along the Mississippi River. However, approximately 30% of the infested fields surveyed in 1998 had two to five patches with areas from 0.5 to 2.5 ha. The remaining 70% of the fields had several patches of diseased soybean plants with areas ranging from 3 m2 to 0.5 ha. The largest disease patch observed was about 10 ha, covering half of a field in Black Hawk County. Percentage of field area affected by SDS varied from 3 to 15% in 60% of the fields where the disease was found, and from about 20 to 60% in the remainder. In all fields surveyed, SDS was confirmed based on the presence of bluish sporulation or isolation from taproots of representative plants. The outbreak supports the 1996 risk assessment (1) that SDS would become a major production concern in Iowa. References: (1) H. Scherm and X. B. Yang. Phytopathology 87:S86, 1997. (2) X. B. Yang and P. Lundeen. Plant Dis. 81:719, 1997.
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Simpson, Francis J. "Environmental Pragmatism and its Application to Climate Change - The Moral Obligations of Developed and Developing Nations to Avert Climate Change as viewed through Technological Pragmatism." Vanderbilt Undergraduate Research Journal 6 (May 20, 2010). http://dx.doi.org/10.15695/vurj.v6i0.2874.

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Many authors have posited moral arguments, as to why climate change should be combated, but most fail to provide a practical solution for both developed and developing countries. James Garvey’s theory of equal burdens seeks to ensure that no country is unjustly penalized, and is currently the best theory on offer. This theory, though, falls short from a scientific perspective and leads to a philosophical objection. The philosophical objection is that there is no moral imperative to encourage developing countries to act and to develop responsibly, while providing no moral responsibility to future generations. Many authors have submitted that developed countries have historically used up an unfair majority of the world’s carbon sink, thereby depriving developing nations of their share. Prior to 1950, there were no cleaner alternatives available for commercial power generation (until the advent of nuclear power plants), and truly renewable sources of energy were not readily available until 1990 (wind, solar, geothermal, etc). As such, there was no alternative path for developed nations to pursue. The only other option would be to discourage further developments, which is counter productive and illogical. An environmental pragmatist view would claim that developed nations are responsible for using up the carbon sink, and should be held to a higher standard in light of cleaner alternative technologies. However, this view would also hold that developing countries also have a moral obligation to develop responsibly and apply cleaner technology. Consequently, the traditional argument that developing nations should be allowed to pollute and emit carbon, since current developed nations did so in the past, is inherently flawed. This, by no means, excuses developed nations from doing their part to combat climate change as they possess the technological innovation and economic resources to be an example to the rest of the world. The main questions that are raised include: How does environmental pragmatism dictate that climate change be combated and abated by implementing sustainable practices, when the current value system is centered upon economics? Also, what responsibilities does the developed and developing world have (and to whom)? Answering these questions demands a systematic review of past arguments concerning climate change, a description of their short comings, and a proposition of new solutions. Works from James Garvey, Stephen Haller, Peter Singer, John Cobb, Stephen Gardiner, Dale Jamison, and Donald Scherer are reviewed within this paper to gain an overview of the current moral arguments within the field of environmental ethics and climate change. The most important gap to fill will be the issue of emissions distributions for a carbon constrained world, which numerous philosophers have shown is the most moral solution. The proposed methods will involve viewing climate change through Environmental Pragmatism as posited by Andrew Light and Bryan Norton, and secondly through technology to address the objections to current theories. The purpose of blending science with moral philosophy is that one cannot make educated policy decisions without considering both. To address the second question in the previous paragraph, arguments will be made against traditional historical emissions for determining per capita emissions for CO2, as well as demonstrating that technological innovation has placed a moral requirement on developed as well as developing nations to do everything within their power to avert climate change.
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Dissertations / Theses on the topic "Schermi solari"

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Cimmino, Maria Chiara. "Ottimizzazione energetica degli edifici esistenti: lo sviluppo di schermature solari intelligenti e innovative in tecnologia tensegrity." Doctoral thesis, Universita degli studi di Salerno, 2017. http://hdl.handle.net/10556/3176.

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2015 - 2016
Sustainable building is one area where innovation is constantly being challenged. Innovation means offering something new or changing what exists in order to achieve new results. At present the hardest goal is transforming the current situation where the construction sector has the highest fossil fuel consumption, is the largest producer of non-reusable waste and the biggest polluter. In fact, the environmental impact of building design and construction is enormous: in Europe buildings are responsible, directly or indirectly, for approximately 40% of total primary energy consumption and for around 36% of CO2 total emissions. Sustainability criteria can minimize or eliminate negative environmental impacts through a conscious choice of design and constructive practices better than those commonly in use. This design approach allows a reduction in operating costs, an increase in market value and users' productivity. ... [edited by Author]
XXIX ciclo
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Jain, Aditya. "Impact of Electrical Contacting Scheme on Performance of InGaN/GaN Schottky Solar Cells." Thesis, Virginia Tech, 2014. http://hdl.handle.net/10919/50527.

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Realization of low-resistance electrical contacts on both sides of a solar cell is essential for obtaining the best possible performance. A key component of a solar cell is a metal contact on the illuminated side of the cell which should efficiently collect carriers. These contacts can be formed using an opaque metal grid/finger pattern. The metal electrode may be used alone or in combination with a broad-area transparent conductive film. This work aims at investigating the impact of the electrical contacting scheme employed in InGaN/GaN Schottky barrier solar cells on their performance. InGaN is a III-V compound semiconductor and has a tunable direct band-gap (0.7 eV to 3.4 eV) which spans most of the solar spectrum; this fact, along with other beneficial material properties, motivates the study of InGaN photovoltaic devices. A number of groups have recently investigated InGaN-based homo-junction and hetero-junction p-i-n solar cells. However, very few groups have worked on InGaN Schottky solar cells. Compared to p-n junctions, Schottky barrier solar cells are cheaper to grow and fabricate; they are also expected to improve the spectral response because of near surface depletion regions in the shorter wavelength regions. In this particular work on InGaN based solar cells, a Schottky diode structure was used to avoid the issue of highly resistive p-type InGaN. In this study, platinum (Pt) is used to form a Schottky barrier with an InGaN/GaN absorber region. Electrical and optical properties of platinum films are investigated as a function of their thickness. InGaN/GaN Schottky solar cells with platinum as the transparent conductive film are reported and their performance is evaluated as a function of the metal thickness.
Master of Science
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Schemme, Thomas [Verfasser], and Cornelia [Akademischer Betreuer] Denz. "Light control and solar power conversion by organic optoelectronic assemblies / Thomas Schemme ; Betreuer: Cornelia Denz." Münster : Universitäts- und Landesbibliothek Münster, 2019. http://d-nb.info/1201729556/34.

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Barry, Elise Kristen. "Detailing the policy interactions between the Queensland solar bonus scheme and the small-scale renewable energy scheme, including the solar credits multiplier, while detailing the social, economic and environmental effects of these schemes." Thesis, Barry, Elise Kristen (2011) Detailing the policy interactions between the Queensland solar bonus scheme and the small-scale renewable energy scheme, including the solar credits multiplier, while detailing the social, economic and environmental effects of these schemes. Honours thesis, Murdoch University, 2011. https://researchrepository.murdoch.edu.au/id/eprint/7609/.

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The emergence in the need to evaluate the effectiveness of policies as a whole mix rather than evaluate the effectiveness of policies in isolation is becoming more useful as the policy environment becomes more crowded. This need is heightened considering the growing challenges of issues related to the sustainability of our energy resources. It’s optimal if energy policies are not restricted to suit only economic objectives but social and environmental objectives as well, to suit emerging concept of sustainability, as energy underpins all the activity within our economy and society. The analysis of policy interactions is a relatively new approach in determining and evaluating appropriate policy mixes, rather than focusing on the effectiveness of a single policy. Sorrell (2003) has developed a systematic process for developing policy options by breaking them down into different categories for comparison. Oikonomou and Jepma (2008) have further built upon this framework in analysing policy interaction by establishing a qualitative framework as part of their methodology. The Queensland Solar Bonus Scheme (QSBS) and Small-Scale Renewable Energy Scheme (SRES) have similar objectives of increasing the implementation of small-scale renewable energy technologies. This dissertation investigates the policy interactions between the QSBS and SRES using the frameworks provided by Sorrell (2003) and Oikonomou and Jepma (2008). The results find the majority of the interactions between these policies are complementary and non-duplicative. This research recommends two policy options which support their beneficial interactions outlined in the discussion. The first policy option assumes a reduction in the tariff rate for the QSBS whilst increasing the PV system limit to 10 kW. The second policy option assumes the same system limit increase to 10 kW plus a reduction in the tariff rate for non-peak full-tariff payments during peak demand to customers who have invested in battery storage.
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Felinks, Jan [Verfasser], Bernhard [Akademischer Betreuer] Hoffschmidt, and Viktor [Akademischer Betreuer] Scherer. "Wärmerückgewinnung aus Partikeln mittels kugelförmiger Wärmeträgermedien in solaren thermochemischen Kreisprozessen / Jan Felinks ; Bernhard Hoffschmidt, Viktor Scherer." Aachen : Universitätsbibliothek der RWTH Aachen, 2018. http://d-nb.info/1162900482/34.

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Mooring, Raymond Derrell. "On using empirical techniques to optimize the shortwave parameterization scheme of the community atmosphere model version two global climate model." Diss., Available online, Georgia Institute of Technology, 2005, 2005. http://etd.gatech.edu/theses/available/etd-04172005-231106/unrestricted/mooring%5Fraymond%5Fd%5F200505%5Fphd.PDF.

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Thesis (Ph. D.)--Earth and Atmospheric Sciences, Georgia Institute of Technology, 2005.
Dickinson, Robert, Committee Chair ; Jenkins, Gregory, Committee Member ; Vidakovic, Brani, Committee Member ; Fu, Rong, Committee Member ; Cunnold, Derek, Committee Member. Vita. Includes bibliographical references.
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Kota, Ntsika. "Development of a computational chemistry scheme for testing the utility of synthetic bacteriochlorin in dye- sensitized solar cells." Thesis, Rhodes University, 2018. http://hdl.handle.net/10962/62327.

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A computational chemistry scheme, based on density functional theory, was developed for in silico testing of a few bacteriochlorin properties relevant to dye-sensitized solar cells. These properties included electronic excitation wavelengths, molecular orbital energy levels, and oscillator strengths among others. Comparisons were made among four species, using computational proxies for electron injection quantum yield and photo-induced current production. The proxy measures for current production (frontier orbital energy level and short circuit current) made consistent, though qualitative, predictions about the ranking of the four dyes. The proxy measures for electron injection quantum yield (change in planar dipole moment and density of states) made less categorical predictions about the ranking. Overall, the scheme singled out one dye as the worst, but made no conclusive predictions about the relative ranking of the other three. There was insufficient data for comparison of the ranking predictions with experiment.
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Gillies, Robert Robertson. "A physically based land-use classification scheme using remote solar and thermal infrared measurements suitable for describing urbanization." Thesis, University of Newcastle Upon Tyne, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.480879.

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Sarban, Singh Ranjit Singh. "A design scheme of energy management, control, optimisation system for hybrid solar-wind and battery energy storages system." Thesis, Brunel University, 2016. http://bura.brunel.ac.uk/handle/2438/13788.

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Hybrid renewable energy system was introduced to improve the individual renewable energy power system’s productivity and operation-ability. This circumstance has led towards an extensive technological study and analysis on the hybrid renewable energy system. The extensive technological study is conducted using many different approaches, but in this research the linear programming, artificial intelligence and smart grid approaches are studied. This thesis proposed a complete hardware system development, implementation and construction of real-time DC Hybrid Renewable Energy System for solar-wind-battery energy source integrated with grid network support. The proposed real-time DC HRES hardware system adopts the hybrid renewable energy system concept which is composed of solar photovoltaic, wind energy system, battery energy storage system and grid network support. The real-time DC HRES hardware system research work is divided into three stages. Stage 1 involves modelling and simulation of the proposed system using MATLAB Simulink/Stateflow software. During this stage, system’s methodological design and development is emphasised. The obtained results are considered as fundamental finding to design, develop, integrate, implement and construct the real-time DC HRES hardware system. Stage II is designing and developing the electronic circuits for the real-time DC HRES hardware system using PROTEUS software. Real time simulation is performed on the electronic circuits to study and analyse the circuit’s behaviour. This stage also involves embedded software application development for the microcontroller PIC16F877A. Thus, continuous dynamic decision-making algorithm is developed and incorporated into microcontroller PIC16F877A. Next, electronic circuits and continuous dynamic decision-making algorithm are integrated with the microcontroller PIC16F877A as a real-time DC HRES hardware system to perform real time simulation. The real-time DC HRES hardware system simulation results are studied, analysed and compared with the results obtained in Stage 1. Any indifference between the obtained results in Stage 1 and Stage 2 are analysed and necessary changes are made. Stage 3 involves integrating, implementation and construction of real-time DC HRES. The continuous dynamic decision-making algorithm is also incorporated into the real microcontroller PCI16F877A development board. Real-time DC HRES’s experimental results have successfully demonstrated the system’s ability to perform supervision, coordination, management and control of all the available energy sources with lease dependency on the grid network. The obtained results demonstrated the energy management and optimisation of the available energy sources as primary power source deliver.
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Peters, Stefan Theodorus Maria [Verfasser], Carsten [Akademischer Betreuer] Münker, and Erik [Akademischer Betreuer] Scherer. "High-precision measurements of heavy p-process isotopes in early solar system materials / Stefan Theodorus Maria Peters. Gutachter: Carsten Münker ; Erik Scherer." Köln : Universitäts- und Stadtbibliothek Köln, 2014. http://d-nb.info/1064693415/34.

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Books on the topic "Schermi solari"

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FOX, G. F. Diy Lampada a Energia Solare Autonoma: Schemi,componentistica,cavetteria,celle Litio 18650 o Piombo Tutto Quello Che Serve Sapere Led Fotovoltaico Come Costruirla. Independently Published, 2019.

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Book chapters on the topic "Schermi solari"

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Camacho, Eduardo F., Manuel Berenguel, and Francisco R. Rubio. "Basic Control Schema." In Advanced Control of Solar Plants, 47–62. London: Springer London, 1997. http://dx.doi.org/10.1007/978-1-4471-0981-5_3.

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Shahi, Dikshant. "Schema Design and Text Analysis." In Apache Solr, 57–97. Berkeley, CA: Apress, 2015. http://dx.doi.org/10.1007/978-1-4842-1070-3_4.

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Singh, Upendra Pal, and Subhash Chandra. "A Predictive Maintenance Scheme for Solar PV System." In Lecture Notes in Electrical Engineering, 189–95. Singapore: Springer Nature Singapore, 2022. http://dx.doi.org/10.1007/978-981-19-0193-5_16.

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Groth, C. P. T., D. L. De Zeeuw, T. I. Gombosi, and K. G. Powell. "A Parallel Adaptive 3D MHD Scheme for Modeling Coronal and Solar Wind Plasma Flows." In Coronal Holes and Solar Wind Acceleration, 193–98. Dordrecht: Springer Netherlands, 1999. http://dx.doi.org/10.1007/978-94-015-9167-6_26.

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Zong, Wang, and Qin Haiyan. "Golden Sun Certification: The National Certification Scheme for Solar Water Heaters." In Proceedings of ISES World Congress 2007 (Vol. I – Vol. V), 2089–93. Berlin, Heidelberg: Springer Berlin Heidelberg, 2008. http://dx.doi.org/10.1007/978-3-540-75997-3_424.

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Lin, Yiing-Yuh, and Fu-Mao Jhuang. "A Self-Focus High Precision Scheme Applied to HCPV Solar Center Tracker." In Lecture Notes in Electrical Engineering, 437–43. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-17314-6_56.

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Yadav, Dilip, and Nidhi Singh. "Advanced Optimization Scheme to Improve Photon Management to Increase Solar Cell Efficiency." In Lecture Notes in Electrical Engineering, 463–75. Singapore: Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-16-1476-7_42.

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Nihanth, Malisetty Siva Sai, N. Rajasekar, Dhanup S. Pillai, and J. Prasanth Ram. "A New Array Reconfiguration Scheme for Solar PV Systems Under Partial Shading Conditions." In Intelligent Computing Techniques for Smart Energy Systems, 387–96. Singapore: Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-15-0214-9_43.

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Kurokawa, Satoshi. "Ecology and Sustainable Development in Japan." In Sustainable Development Disciplines for Society, 77–88. Singapore: Springer Nature Singapore, 2022. http://dx.doi.org/10.1007/978-981-19-5145-9_5.

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AbstractThis chapter fits Goal 15 of the SDGs and analyzes the protection and sustainable use of territorial ecosystems in Japan, focusing on sustainable agricultureand forestry. The beautiful natural landscape and pristine nature in Japan are protected in nature parks. After the Earth Summit in 1992, the government committed to protecting socio-ecological landscapes referred to as “satoyama.” They include farmland, pastureland, and forests for logging. They are deteriorating because the population of farmers and forestry workers is declining and aging. The Natural Parks Act introduced a scheme to ensure that environmental NGOs maintain these areas on behalf of the farmers and forest workers. Modernization of agriculture has caused the loss of biodiversity in farmlands. Restoration projects have been implemented to restore biodiversity in rural areas. To reduce farmland abandonment, the government grants subsidies to help encourage eco-friendly agriculture. The government is encouraging active farmers to scale-up agricultural management to be competitive in the marketplace. Solar sharing is one way to help farmers. Ecologically sustainable development is thus interwoven with social and economic factors.
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Abbadi, Amel, Fethia Hamidia, Abdelkader Morsli, Djemel Boukhetala, and Lazhari Nezli. "Fuzzy Logic Control Scheme of Voltage Source Converter in a Grid Connected Solar Photovoltaic System." In Renewable Energy for Smart and Sustainable Cities, 148–54. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-030-04789-4_16.

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Conference papers on the topic "Schermi solari"

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Gannon, Anthony J., and Theodore W. von Backstro¨m. "Solar Chimney Turbine: Part 1 of 2 — Design." In ASME Solar 2002: International Solar Energy Conference. ASMEDC, 2002. http://dx.doi.org/10.1115/sed2002-1070.

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The solar chimney is a simple renewable energy source consisting of three main components, a solar collector, chimney and turbine. Air under the collector is heated by the greenhouse effect. This less dense air rises up a chimney at the collector centre and drives an electricity-generating turbine. The operation of a solar chimney power plant is simple but high component efficiencies are needed for successful operation. A turbine design based on the design requirements for a full-scale solar chimney power plant is presented. The design integrates the turbine with the chimney. It is proposed that the chimney base legs be offset radially to act as inlet guide vanes and introduce pre-whirl before the rotor to reduce the exit kinetic energy. A three-step turbine design method is presented. A free vortex analysis method is used to determine the major turbine dimensions. A matrix throughflow method predicts the flow path through the inlet guide vanes and rotor. Finally the blade profiles are design using an optimization scheme coupled to a surface vortex method to achieve blades of minimum chord and low drag. The proposed turbine design can extract over 80% of the power available in the flow.
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Camporeale, Sergio M., Bernardo Fortunato, and Alessandro Saponaro. "Repowering of a Rankine Cycle Power Plant by Means of Concentrating Solar Collectors." In ASME 2011 Turbo Expo: Turbine Technical Conference and Exposition. ASMEDC, 2011. http://dx.doi.org/10.1115/gt2011-45736.

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Repowering of an existing steam power plant by means of solar concentrating collectors is examined as a viable option to decrease CO2 emissions and increase electric power production during daytime peak load energy demanding hours. In the proposed scheme, the regenerative bleeds from the steam turbine are partially intercepted while boiler feed-water is heated by means of parabolic solar trough concentrating collectors. It is considered that fossil boiler, steam turbine and condenser are the same of the original plant, without modifications. After choosing a steam cycle reproducing an existing power plant, the scheme of solar repowering is examined and the efficiency of conversion of the solar energy is optimized in relation to the characteristics of the solar collector. The paper shows that the modified scheme produces very little effects on the working conditions of the existing components, either at full load or partial load, and does not reduce the conversion efficiency of the fossil fuel. In comparison with solar thermal power plants with heat storage and only solar energy as thermal input, the proposed scheme is expected to have comparable efficiency but lower costs per kWh produced, as a consequence of the fact that there is no need for steam turbine, condenser, cooling tower and auxiliary boiler. Moreover it is expected that personnel and maintenance costs will be lower.
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Negi, Ajit Pratap Singh, Deepak Bagai, and Rita Mahajan. "An Improved Charge Controller Model for Solar Powered Standalone Lighting Systems." In Optics for Solar Energy. Washington, D.C.: Optica Publishing Group, 2010. http://dx.doi.org/10.1364/ose.2010.pdstue1.

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The paper proposes an improved charge controller scheme for solar power based standalone lighting systems, by efficient charging and discharging of battery through a common controller circuit with a well known technique, Pulse Width Modulation. The concept is being given keeping in mind the necessity, cost and importance of lighting in remote areas, although the technique can be used in other places too. Assuming the White LED (WLED) lamps to be used as light source, the whole circuit just operates on d.c. Since the battery is efficiently utilized in both charging and discharging process through a common controller circuit, the battery works for a longer life and the overall cost of the system may come out to be very low with a very bright clear WLED lighting, an ideal combination for a energy efficient solar power based standalone systems for lighting in remote areas.
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Kalathakis, C., N. Aretakis, I. Roumeliotis, A. Alexiou, and K. Mathioudakis. "Assessment of Solar Steam Injection in Gas Turbines." In ASME Turbo Expo 2016: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/gt2016-57272.

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The concept of solar steam production for injection in a gas turbine combustion chamber is studied for both nominal and part load engine operation. First, a 5MW single shaft engine is considered which is then retrofitted for solar steam injection using either a tower receiver or a parabolic troughs scheme. Next, solar thermal power is used to augment steam production of an already steam injected single shaft engine without any modification of the existing HRSG by placing the solar receiver/evaporator in parallel with the conventional one. For the case examined in this paper, solar steam injection results to an increase of annual power production (∼15%) and annual fuel efficiency (∼6%) compared to the fuel-only engine. It is also shown that the tower receiver scheme has a more stable behavior throughout the year compared to the troughs scheme that has better performance at summer than at winter. In the case of doubling the steam-to-air ratio of an already steam injected gas turbine through the use of a solar evaporator, annual power production and fuel efficiency increase by 5% and 2% respectively.
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Abutayeh, Mohammad. "Adapting Steady State Solar Power Models to Include Transients." 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/es2015-49021.

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Quite a few computer programs have been developed to model power plant performance. These software codes are geared towards modeling steady state operations which is usually sufficient for conventional power plants. Solar thermal power plants undergo lengthy transient start–up and shut–down operations due to the sporadic nature of solar radiation; therefore, valid modeling of their performance must address those unsteady state operations. A novel scheme has been developed to fine–tune steady state solar power generation models to accurately take account of the impact of those transient operations. The suggested new scheme is implemented by adjusting solar radiation input data and has been shown to significantly improve modeling accuracy by moving modeled results closer to matching real operating data.
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Rao, N. X., S. C. Ou, and K. N. Liou. "Removal of the 3.7 μm Solar Contamination in AVHRR Data." In Optical Remote Sensing of the Atmosphere. Washington, D.C.: Optica Publishing Group, 1993. http://dx.doi.org/10.1364/orsa.1993.mc.3.

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We have developed a numerical scheme for the removal of the solar contamination in the AVHRR 3.7 μm (Ch.3) radiance for the retrieval of cirrus cloud parameters during daytime. The scheme involves an iterative procedure coupled with the clear sky detection technique described by Saunder and Kriebel (1988) and the nighttime retrieval algorithm developed by Ou et al. (1992). In section 2, the removal scheme, based on the correlation between 0.63 and 3.7 μm solar reflectances, is presented. In section 3, we discuss a synthetic study using the midlatitude atmospheric profile and a sensitivity study involving the removal of the 3.7 μm solar component by adding random errors due to surface inhomogeneity and instrument noises. Application of the removal scheme to AVHRR data for inferring cirrus cloud parameters, and comparisons with available observations and retrieval results presented by other investigators are described in section 4. Finally, conclusions are given in section 5.
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Ineichen, Pierre. "Solis Clear Sky Scheme: Extend to High Turbidity, Development and Validation." In ISES Solar World Conference 2017 and the IEA SHC Solar Heating and Cooling Conference for Buildings and Industry 2017. Freiburg, Germany: International Solar Energy Society, 2017. http://dx.doi.org/10.18086/swc.2017.23.02.

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Abutayeh, Mohammad, Anas Alazzam, and Bashar El-Khasawneh. "Streamlining the Power Generation Profile of Concentrating Solar Power Plants." In ASME 2018 12th International Conference on Energy Sustainability collocated with the ASME 2018 Power Conference and the ASME 2018 Nuclear Forum. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/es2018-7136.

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A scheme to streamline the electric power generation profile of concentrating solar power plants of the parabolic trough collector type is suggested. The scheme seeks to even out heat transfer rates from the solar field to the power block by splitting the typical heat transfer fluid loop into two loops using an extra vessel and an extra pump. In the first loop, cold heat transfer fluid is pumped by the cold pump from the cold vessel to the solar field to collect heat before accumulating in the newly introduced hot vessel. In the second loop, hot heat transfer fluid is pumped by the hot pump from the hot vessel to a heat exchanger train to supply the power block with its heat load before accumulating in the cold vessel. The new scheme moderately decouples heat supply from heat sink allowing for more control of heat delivery rates thereby evening out power generation.
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Nagasawa, Kazunori, Charles R. Upshaw, Joshua D. Rhodes, Chris L. Holcomb, David A. Walling, and Michael E. Webber. "Data Management for a Large-Scale Smart Grid Demonstration Project in Austin, Texas." In ASME 2012 6th International Conference on Energy Sustainability collocated with the ASME 2012 10th International Conference on Fuel Cell Science, Engineering and Technology. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/es2012-91198.

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This paper presents a data management scheme for the Pecan Street smart grid demonstration project in Austin, Texas. In this project, highly granular data with 15-second resolution on resource generation and consumption, including total consumption of electricity, water, and natural gas and solar generation, are collected for more than 100 homes. Furthermore, this testbed, see Figure 1, of homes represents the nation’s highest density of rooftop solar PV and electric vehicles, and includes a substantial subset of homes that are highly instrumented with meters on up to 6 sub-circuits in addition to the whole-home meter. Consequently, this demonstration project generates a one-of-a-kind dataset with excellent temporal and geographic fidelity. One consequence of this extensive dataset is that there are hundreds of parallel data streams that need to be remotely (wirelessly) collected, filtered, processed, managed, stored and analyzed to be useful for researchers. Cumulatively, they represent 100s of gigabytes of data after just a few months of collection, which represents a formidable barrier to conducting research. In partnership with the Texas Advanced Computing Center (TACC), which is an NSF-sponsored cluster of supercomputers at UT-Austin, a data collection and management scheme has been developed. For storing the data, we have built a single column oriented database that so far has shown tremendous performance benefits. This paper shows the data schema, an example of MySQL query, and a developed program for rapid and automated data extraction, analysis and display. We expect that the findings of this work will be beneficial to researchers interested in grid-scale data management.
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Sokol, Julia, Fiona Grant, Carolyn Sheline, and Amos Winter. "Development of a System Model for Low-Cost, Solar-Powered Drip Irrigation Systems in the MENA Region." In ASME 2018 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/detc2018-86297.

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Drip irrigation has the potential to conserve water and increase crop yields. However, existing drip irrigation systems often require high pumping power, making them financially inaccessible to smallholder farmers. Integrating a holistic system model with a cost-optimization scheme can enable the design and implementation of low-cost, solar-powered drip irrigations systems, ultimately making this technology more cost-effective for smallholder farmers. This paper describes the algorithms comprising an integrated model of solar-powered drip irrigation systems, consisting of agronomic, hydraulic, pump, and power system modules. It also introduces a preliminary optimization scheme for the power system, which uses the system hydraulics and pump curve to select an optimal solar array and energy storage configuration that minimizes capital cost. The system model and power system optimization is applied to three case studies, and the resulting power system configurations are compared to outputs from commercially-available software for sizing solar pumping systems. The results show that the model successfully captures the nuances in crop type, local weather patterns, and hydraulic system layout between different cases. This offers a greater level of flexibility than commercially available software, which tends to have broader applications and focuses on larger systems. Future model generations will add more variables to the optimization scheme — including pump selection, variable emitter flow rates and pipe geometries — to provide a versatile design tool for cost-optimized, solar-powered drip irrigation systems.
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Reports on the topic "Schermi solari"

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Chaparro, Rodrigo, Maria Netto, Patricio Mansilla, and Daniel Magallon. Energy Savings Insurance: Advances and Opportunities for Funding Small- and Medium-Sized Energy Efficiency and Distributed Generation Projects in Chile. Inter-American Development Bank, December 2020. http://dx.doi.org/10.18235/0002947.

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The Energy Savings Insurance Program seeks to promote investment in energy efficiency and distributed generation in Latin America, primarily through small- and medium-sized enterprises (SMEs). It focuses on developing an innovative scheme of guaranteed energy performance that mitigates project risk and generates investor confidence (ESI Model). The Inter-American Development Bank (IDB) facilitates the development of the ESI Program in alliance with the National Development Banks (NDBs). The ESI Model includes a contract for the supply, installation, and maintenance of equipment for generating a stipulated amount of energy or energy savings over a specific time period; validation by an independent body; insurance coverage that backs the savings or the guaranteed energy generation; and project financing. This paper describes the main attributes of the ESI Model (the contract, the insurance, validation and financing), evaluates market potential and the most attractive technologies, and identifies the priority sectors for implementing projects in Chile. The most promising economic sectors were found to be the hospitality industry, food processing industry, grape growing/wine production, and the fishing industry, and the technologies of electric motors, boilers, air conditioning systems and photovoltaic solar generation. In each of these sectors, estimates were made of financing requirements as well as CO2 emission reductions that could be achieved.
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Ruby, Douglas Scott, Brian Murphy, David Meakin, Jason Dominguez, and Peter Hacke. Public release of optimization of metallization scheme for thin emitter wrap-through solar cells for higher efficiency, reduced precious metal costs, and reduced stress. Office of Scientific and Technical Information (OSTI), August 2008. http://dx.doi.org/10.2172/940520.

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