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Статті в журналах з теми "Photo-electric transformer"

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Arulmurugan R. "A Simulation Analysis of a PV-Powered Inc-Cond MPPT-Based Hybrid Filter for Power Quality Improvement." International Journal of Social Ecology and Sustainable Development 13, no. 1 (January 2022): 1–16. http://dx.doi.org/10.4018/ijsesd.293249.

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This paper proposed a Transformer less Hybrid Active Filter that upgrade the power quality in single-stage frameworks with steady renewable Photo Voltaic. It strengthens basic loads and carrying on as high-consonant impedance that does not below the critical loads. Manages energy management and power quality issues identified with electric transportation and concentrate on enhancing the electric vehicle load connected to grid. The control technique was intended to anticipation of current harmonic distortions with the nonlinear loads to control the flow of utility with no standard massive and expensive transformer. Power factor alongside AC side will likewise kept up to some esteem and furthermore dispense with the voltage distortions at the Common coupling point.
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Arulmurugan, R. "Photovoltaic powered transormerless hybrid converter with active filter for harmonic and reactive power compensation." ECTI Transactions on Electrical Engineering, Electronics, and Communications 16, no. 2 (February 10, 2018): 44–51. http://dx.doi.org/10.37936/ecti-eec.2018162.171339.

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This paper proposed a Transformer less Hybrid SEries Active Filter (THSeAF) that upgrade the power quality in single-stage frameworks with steady renewable Photo Voltaic (PV) supply. It strengthens basic loads and carrying on as high-consonant impedance that does not below the critical loads, it cleans power system and guarantees the utilization of unity power factor. Here we manages energy management and power quality issues identified with electric transportation and concentrate on enhancing the electric vehicle load connected to grid. This depends on the Power Factor Correction (PFC) change with harmonic modulation technique that will give advancement of power factor in PFC operation. The control technique was intended to anticipation of current harmonic distortions with the nonlinear loads to control the flow of utility with no standard massive and expensive transformer. Power factor alongside AC side will likewise kept up to some esteem and furthermore dispense with the voltage distortions at the Common coupling point. Here we protecting sensitive loads from voltage twists, swells and sags as for control framework, without the arrangement transformer it is worthwhile for a modern usage. This paper was done with 2-kVA control showing the adequacy of the current topology.
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Bhatnagar, R. M. "Noise reduction in linear variable differential transformer data of recoil motion measurement by numerical methods." Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science 220, no. 2 (February 1, 2006): 159–66. http://dx.doi.org/10.1243/09544062jmes140.

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The measurement of recoil distance versus time by various methods such as the recoil potentiometer, photo electric transducer, slide wire, accelerometer, revolving drum system, and linear variable differential transformer (LVDT) has been used for gross muzzle brake efficiency measurements and recoil system performance evaluation by the calculation of recoil velocities. For a long recoil-length gun system, a combination of recoil potentiometer and LVDT is used extensively. In order to dispense with the use of recoil potentiometer in the above combination, the article proposes the use of the least-square-fit-based Richardson's extrapolation method and mean square velocity calculation for the accurate determination of free recoil velocity. The mean square velocity calculation is based on Parseval's theorem. The proposed method is based on the comparative evaluation of second- and third-order finite difference method, Richardson's fourth-order method, and the least-square-fit-based Richardson's extrapolation. The least-square-fit-based Richardson's extrapolation gives the lowest value of residual entropy. This is because the maximum likelihood estimators for Gauss probability distribution function and least-square estimators for the coefficients of polynomial representing recoil velocity time curve are coincident. The results of each of the four methods combined with the mean square velocity method were compared, and the least-square-fit-based Richardson's extrapolation was found to be accurate and consistent. The method can be used even when low pass filter is included in the LVDT circuit for stand-alone use.
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Taşkin, T., A. Kaplan, A. Önenç, and C. C Hepcan. "Evaluation of cattle and sheep buildings with their surroundings using ‘visual quality assessment’ technique." Research in Agricultural Engineering 50, No. 4 (February 8, 2012): 140–51. http://dx.doi.org/10.17221/4941-rae.

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This study was conducted to assess visual quality of cattle and sheep housings with their surroundings across the seven districts of İzmir province, located in western side of Turkey. A total of 58 animal farms consisting of 31 cattle and 27 sheep farms were investigated. After watching the videos of all animal housings with their environs, each sample lasts for approximately 60 seconds, the 250 photos derived from the video scenes were evaluated by an expert group of 30 respondents in one panel. The respondents were asked to rate visual quality of each photo and its features on a five-point scale in order of district and farm type (cattle or sheep). The results showed that efficiently constructed and managed animal farm buildings in compliance with their surroundings were rated higher than the ones that are built on an ad hoc basis as well as irrelevant to their environs. Visual quality scores increased directly with natural landscape features (topographic attributes such as hill and plain, the presence of plant cover) and decreased with the mostly presence of man-made elements (transformer and electric lines, road, water channel, settlement) besides unplanned layout of the buildings and its facilities, proximity to highway and urban/rural settlements, worse manure management.
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Tu, Sheng Lung, Yen Hsun Su, Yun Hwei Shen, Dah Tong Ray, Yu Chun Wu, and Tao Hsing Chen. "Photo-Electronic Properties of Titanium Dioxide Nano Thin Films." Applied Mechanics and Materials 479-480 (December 2013): 50–54. http://dx.doi.org/10.4028/www.scientific.net/amm.479-480.50.

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In this study, nano-titanium films of different thickness were deposited. By adjusting it is found that when the thickness of the titanium films was in the nano-scale, the electric resistivity of the titanium films decreased. Furthermore, the deposited titanium was transformed into titanium oxide by maintain an oxygen atmosphere and using a rapid annealing furnace during sputtering. When oxidized nano titanium film is sputtered on a low-electric-resistive metal thin film, the photo-electronic properties of Nano-thin film will be enhanced.
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Hakuta, Yukiya, Kiwamu Sue, Yoshihiro Takebayashi, Satoshi Yoda, Takeshi Furuya, and Hiroshi Takashima. "Preparation of Rare-Earth Doped Zirconia Nanoparticles via Supercritical Hydrothermal Method for Luminescence Properties." Key Engineering Materials 512-515 (June 2012): 59–64. http://dx.doi.org/10.4028/www.scientific.net/kem.512-515.59.

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We report preparation of Tb3+ or Eu3+ doped zirconia nanoparticles by sub- and supercritical hydrothermal reaction and luminescence properties. Experiments were performed by a flow-type hydrothermal reaction system. We investigated the effect of the reaction temperature on crystal structure, particle size and photo-, electro-luminescence properties. Reaction temperature was varied in the ranges of 150 to 400 C and reaction pressure was fixed to 30MPa. Characteristics of the products were performed by XRD, TEM, SEM-EDS and PL, EL measurements. The product transformed from amorphous zirconium hydroxide to tetragonal ZrO2 with an increase in the reaction temperature, regardless of the doped ion species. The ZrO2:Eu particles obtained at 400C were spherical with around 5 nm in diameter. ZrO2:Eu nanoparticles obtained under supercritical water condision showed typical photoluminescence spectra of f-f transition of Eu3+; however ZrO2:Tb nanoparticle obtained under the same condition showed no photoluminescence. Furthermore, the ZrO2:Eu nanoparticles obtained at 400 C showed high electroluminescence properties at electric field of 350V and 1kHz.
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"Computational Simulation - Design & Analysis Functionality of Grid Connected (GC) Photo Voltaic (PV) System." Regular 9, no. 3 (September 30, 2020): 433–38. http://dx.doi.org/10.35940/ijrte.f8773.099320.

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The electrical power produced via photo-voltaic (PV) array relies largely on weather conditions. In this paper, we presented a continuous state functionality of the PV gridconnected (GC) unit at distinct solar irradiances. The presented model is developed on MATLAB environment, which includes the PV array using an improved perturb and observe (MP&O) tracking system interconnected to DC to DC boosting conversion application, the 3-phase 3 level electric power inverter which usually associated to the utility grid using low pass filter, coupled transformer and synchronous control mechanism of PV inverter. The presented model is lab-created within day-by- day climatic conditions to estimate its working mechanism. The simulation results of the proposed system satisfy requirements grid performance with high power quality. In the proposed work number of cell modules used 90, number of parallel strings 60, maximum PV output voltage1000wb/m2 at 274 V, minimum voltage at 600 wb/m2 at 250V, maximum power at 1000 wb/m2-100 kw, and minimum power at 600 wb/m2-57 kw.
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Murahara, Masataka, Yuji Sato, and Toshio Ohkawara. "High electric insulation and hard protective waterproof coating on metal foil for flexible solar cell and smart paper." MRS Proceedings 1401 (2012). http://dx.doi.org/10.1557/opl.2012.1302.

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ABSTRACTAn electric insulation resistant coating has been developed by using photo-oxidized silicone oil. The silicone oil was exposed to ultraviolet⊈light in the air; which transformed the organic silicone oil into an inorganic amorphous glass film. Conventional large-area solar panels and smart papers are made of glass or plastic; in addition to being well insulated, waterproof, transparent, and hard, the panels are desirable to be light in weight and flexible. Here, metal foil is dipped into dimethylsiloxane silicone oil, and the silicone oil on the foil surface is irradiated with Xe2 excimer lamplight. Oxygen adsorbed on the sample surface is photo-excited by the irradiation to produce active oxygen. This active oxygen reacts with the silicone oil photo-excited and forms inorganic glass. With the process of the photo-oxidation, the silicone oil is vitrified, being inorganic.
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Maras, Steven. "Reflections on Adobe Corporation, Bill Viola, and Peter Ramus while Printing Lecture Notes." M/C Journal 8, no. 2 (June 1, 2005). http://dx.doi.org/10.5204/mcj.2338.

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In March 2002, I was visiting the University of Southern California. One night, as sometimes happens on a vibrant campus, two interesting but very different public lectures were scheduled against one another. The first was by the co-chairman and co-founder of Adobe Systems Inc., Dr. John E. Warnock, talking about books. The second was a lecture by acclaimed video artist Bill Viola. The first event was clearly designed as a networking forum for faculty and entrepreneurs. The general student population was conspicuously absent. Warnock spoke of the future of Adobe, shared stories of his love of books, and in an embodiment of the democratising potential of Adobe software (and no doubt to the horror of archivists in the room) he invited the audience to handle extremely rare copies of early printed works from his personal library. In the lecture theatre where Viola was to speak the atmosphere was different. Students were everywhere; even at the price of ten dollars a head. Viola spoke of time and memory in the information age, of consciousness and existence, to an enraptured audience—and showed his latest work. The juxtaposition of these two events says something about our cultural moment, caught between a paradigm modelled on reverence toward the page, and a still emergent sense of medium, intensity and experimentation. But, the juxtaposition yields more. At one point in Warnock’s speech, in a demonstration of the ultra-high resolution possible in the next generation of Adobe products, he presented a scan of a manuscript, two pages, two columns per page, overflowing with detail. Fig. 1. Dr John E. Warnock at the Annenberg Symposium. Photo courtesy of http://www.annenberg.edu/symposia/annenberg/2002/photos.php Later, in Viola’s presentation, a fragment of a video work, Silent Mountain (2001) splits the screen in two columns, matching Warnock’s text: inside each a human figure struggles with intense emotion, and the challenges of bridging the relational gap. Fig. 2. Images from Bill Viola, Silent Mountain (2001). From Bill Viola, THE PASSIONS. The J. Paul Getty Museum, Los Angeles in Association with The National Gallery, London. Ed. John Walsh. p. 44. Both events are, of course, lectures. And although they are different in style and content, a ‘columnular’ scheme informs and underpins both, as a way of presenting and illustrating the lecture. Here, it is worth thinking about Pierre de la Ramée or Petrus (Peter) Ramus (1515-1572), the 16th century educational reformer who in the words of Frances Yates ‘abolished memory as a part of rhetoric’ (229). Ramus was famous for transforming rhetoric through the introduction of his method or dialectic. For Walter J. Ong, whose discussion of Ramism we are indebted to here, Ramus produced the paradigm of the textbook genre. But it is his method that is more noteworthy for us here, organised through definitions and divisions, the distribution of parts, ‘presented in dichotomized outlines or charts that showed exactly how the material was organised spatially in itself and in the mind’ (Ong, Orality 134-135). Fig. 3. Ramus inspired study of Medicine. Ong, Ramus 301. Ong discusses Ramus in more detail in his book Ramus: Method, and the Decay of Dialogue. Elsewhere, Sutton, Benjamin, and I have tried to capture the sense of Ong’s argument, which goes something like the following. In Ramus, Ong traces the origins of our modern, diagrammatic understanding of argument and structure to the 16th century, and especially the work of Ramus. Ong’s interest in Ramus is not as a great philosopher, nor a great scholar—indeed Ong sees Ramus’s work as a triumph of mediocrity of sorts. Rather, his was a ‘reformation’ in method and pedagogy. The Ramist dialectic ‘represented a drive toward thinking not only of the universe but of thought itself in terms of spatial models apprehended by sight’ (Ong, Ramus 9). The world becomes thought of ‘as an assemblage of the sort of things which vision apprehends—objects or surfaces’. Ramus’s teachings and doctrines regarding ‘discoursing’ are distinctive for the way they draw on geometrical figures, diagrams or lecture outlines, and the organization of categories through dichotomies. This sets learning up on a visual paradigm of ‘study’ (Ong, Orality 8-9). Ramus introduces a new organization for discourse. Prior to Ramus, the rhetorical tradition maintained and privileged an auditory understanding of the production of content in speech. Central to this practice was deployment of the ‘seats’, ‘images’ and ‘common places’ (loci communes), stock arguments and structures that had accumulated through centuries of use (Ong, Orality 111). These common places were supported by a complex art of memory: techniques that nourished the practice of rhetoric. By contrast, Ramism sought to map the flow and structure of arguments in tables and diagrams. Localised memory, based on dividing and composing, became crucial (Yates 230). For Ramus, content was structured in a set of visible or sight-oriented relations on the page. Ramism transformed the conditions of visualisation. In our present age, where ‘content’ is supposedly ‘king’, an archaeology of content bears thinking about. In it, Ramism would have a prominent place. With Ramus, content could be mapped within a diagrammatic page-based understanding of meaning. A container understanding of content arises. ‘In the post-Gutenberg age where Ramism flourished, the term “content”, as applied to what is “in” literary productions, acquires a status which it had never known before’ (Ong, Ramus 313). ‘In lieu of merely telling the truth, books would now in common estimation “contain” the truth, like boxes’ (313). For Ramus, ‘analysis opened ideas like boxes’ (315). The Ramist move was, as Ong points out, about privileging the visual over the audible. Alongside the rise of the printing press and page-based approaches to the word, the Ramist revolution sought to re-work rhetoric according to a new scheme. Although spatial metaphors had always had a ‘place’ in the arts of memory—other systems were, however, phonetically based—the notion of place changed. Specific figures such as ‘scheme’, ‘plan’, and ‘table’, rose to prominence in the now-textualised imagination. ‘Structure’ became an abstract diagram on the page disconnected from the total performance of the rhetor. This brings us to another key aspect of the Ramist reformation: that alongside a spatialised organisation of thought Ramus re-works style as presentation and embellishment (Brummett 449). A kind of separation of conception and execution is introduced in relation to performance. In Ramus’ separation of reason and rhetoric, arrangement and memory are distinct from style and delivery (Brummett 464). While both dialectic and rhetoric are re-worked by Ramus in light of divisions and definitions (see Ong, Ramus Chs. XI-XII), and dialectic remains a ‘rhetorical instrument’ (Ramus 290), rhetoric becomes a unique site for simplification in the name of classroom practicality. Dialectic circumscribes the space of learning of rhetoric; invention and arrangement (positioning) occur in advance (289). Ong’s work on the technologisation of the word is strongly focused on identifying the impact of literacy on consciousness. What Ong’s work on Ramus shows is that alongside the so-called printing revolution the Ramist reformation enacts an equally if not more powerful transformation of pedagogic space. Any serious consideration of print must not only look at the technologisation of the word, and the shifting patterns of literacy produced alongside it, but also a particular tying together of pedagogy and method that Ong traces back to Ramus. If, as is canvassed in the call for papers of this issue of M/C Journal, ‘the transitions in print culture are uneven and incomplete at this point’, then could it be in part due to the way Ramism endures and is extended in electronic and hypermedia contexts? Powerpoint presentations, outlining tools (Heim 139-141), and the scourge of bullet points, are the most obvious evidence of greater institutionalization of Ramist knowledge architecture. Communication, and the teaching of communication, is now embedded in a Ramist logic of opening up content like a box. Theories of communication draw on so-called ‘models’ that draw on the representation of the communication process through boxes that divide and define. Perhaps in a less obvious way, ‘spatialized processes of thought and communication’ (Ong, Ramus 314) are essential to the logic of flowcharting and tracking new information structures, and even teaching hypertext (see the diagram in Nielsen 7): a link puts the popular notion that hypertext is close to the way we truly think into an interesting perspective. The notion that we are embedded in print culture is not in itself new, even if the forms of our continual reintegration into print culture can be surprising. In the experience of printing, of the act of pressing the ‘Print’ button, we find ourselves re-integrated into page space. A mini-preview of the page re-assures me of an actuality behind the actualizations on the screen, of ink on paper. As I write in my word processing software, the removal of writing from the ‘element of inscription’ (Heim 136) —the frictionless ‘immediacy’ of the flow of text (152) — is conditioned by a representation called the ‘Page Layout’, the dark borders around the page signalling a kind of structures abyss, a no-go zone, a place, beyond ‘Normal’, from which where there is no ‘Return’. At the same time, however, never before has the technological manipulation of the document been so complex, a part of a docuverse that exists in three dimensions. It is a world that is increasingly virtualised by photocopiers that ‘scan to file’ or ‘scan to email’ rather than good old ‘xeroxing’ style copying. Printing gives way to scanning. In a perverse extension of printing (but also residually film and photography), some video software has a function called ‘Print to Video’. That these super-functions of scanning to file or email are disabled on my department photocopier says something about budgets, but also the comfort with which academics inhabit Ramist space. As I stand here printing my lecture plan, the printer stands defiantly separate from the photocopier, resisting its colonizing convergence even though it is dwarfed in size. Meanwhile, the printer demurely dispenses pages, one at a time, face down, in a gesture of discretion or perhaps embarrassment. For in the focus on the pristine page there is a Puritanism surrounding printing: a morality of blemishes, smudges, and stains; of structure, format and order; and a failure to match that immaculate, perfect argument or totality. (Ong suggests that ‘the term “method” was appropriated from the Ramist coffers and used to form the term “methodists” to designate first enthusiastic preachers who made an issue of their adherence to “logic”’ (Ramus 304).) But perhaps this avoidance of multi-functionality is less of a Ludditism than an understanding that the technological assemblage of printing today exists peripherally to the ideality of the Ramist scheme. A change in technological means does not necessarily challenge the visile language that informs our very understanding of our respective ‘fields’, or the ideals of competency embodied in academic performance and expression, or the notions of content we adopt. This is why I would argue some consideration of Ramism and print culture is crucial. Any ‘true’ breaking out of print involves, as I suggest, a challenge to some fundamental principles of pedagogy and method, and the link between the two. And of course, the very prospect of breaking out of print raises the issue of its desirability at a time when these forms of academic performance are culturally valued. On the surface, academic culture has been a strange inheritor of the Ramist legacy, radically furthering its ambitions, but also it would seem strongly tempering it with an investment in orality, and other ideas of performance, that resist submission to the Ramist ideal. Ong is pessimistic here, however. Ramism was after all born as a pedagogic movement, central to the purveying ‘knowledge as a commodity’ (Ong, Ramus 306). Academic discourse remains an odd mixture of ‘dialogue in the give-and-take Socratic form’ and the scheduled lecture (151). The scholastic dispute is at best a ‘manifestation of concern with real dialogue’ (154). As Ong notes, the ideals of dialogue have been difficult to sustain, and the dominant practice leans towards ‘the visile pole with its typical ideals of “clarity”, “precision”, “distinctness”, and “explanation” itself—all best conceivable in terms of some analogy with vision and a spatial field’ (151). Assessing the importance and after-effects of the Ramist reformation today is difficult. Ong describes it an ‘elusive study’ (Ramus 296). Perhaps Viola’s video, with its figures struggling in a column-like organization of space, structured in a kind of dichotomy, can be read as a glimpse of our existence in or under a Ramist scheme (interestingly, from memory, these figures emote in silence, deprived of auditory expression). My own view is that while it is possible to explore learning environments in a range of ways, and thus move beyond the enclosed mode of study of Ramism, Ramism nevertheless comprises an important default architecture of pedagogy that also informs some higher level assumptions about assessment and knowledge of the field. Software training, based on a process of working through or mimicking a linked series of screenshots and commands is a direct inheritor of what Ong calls Ramism’s ‘corpuscular epistemology’, a ‘one to one correspondence between concept, word and referent’ (Ong, Orality 168). My lecture plan, providing an at a glance view of my presentation, is another. The default architecture of the Ramist scheme impacts on our organisation of knowledge, and the place of performance with in it. Perhaps this is another area where Ong’s fascinating account of secondary orality—that orality that comes into being with television and radio—becomes important (Orality 136). Not only does secondary orality enable group-mindedness and communal exchange, it also provides a way to resist the closure of print and the Ramist scheme, adapting knowledge to new environments and story frameworks. Ong’s work in Orality and Literacy could thus usefully be taken up to discuss Ramism. But this raises another issue, which has to do with the relationship between Ong’s two books. In Orality and Literacy, Ong is careful to trace distinctions between oral, chirographic, manuscript, and print culture. In Ramus this progression is not as prominent— partly because Ong is tracking Ramus’ numerous influences in detail —and we find a more clear-cut distinction between the visile and audile worlds. Yates seems to support this observation, suggesting contra Ong that it is not the connection between Ramus and print that is important, but between Ramus and manuscript culture (230). The interconnections but also lack of fit between the two books suggests a range of fascinating questions about the impact of Ramism across different media/technological contexts, beyond print, but also the status of visualisation in both rhetorical and print cultures. References Brummett, Barry. Reading Rhetorical Theory. Fort Worth: Harcourt, 2000. Heim, Michael. Electric Language: A Philosophical Study of Word Processing. New Haven: Yale UP, 1987. Maras, Steven, David Sutton, and with Marion Benjamin. “Multimedia Communication: An Interdisciplinary Approach.” Information Technology, Education and Society 2.1 (2001): 25-49. Nielsen, Jakob. Multimedia and Hypertext: The Internet and Beyond. Boston: AP Professional, 1995. Ong, Walter J. Orality and Literacy: The Technologizing of the Word. London: Methuen, 1982. —. Ramus: Method, and the Decay of Dialogue. New York: Octagon, 1974. The Second Annual Walter H. Annenberg Symposium. 20 March 2002. http://www.annenberg.edu/symposia/annenberg/2002/photos.php> USC Annenberg Center of Communication and USC Annenberg School for Communication. 22 March 2005. Viola, Bill. Bill Viola: The Passions. Ed. John Walsh. London: The J. Paul Getty Museum, Los Angeles in Association with The National Gallery, 2003. Yates, Frances A. The Art of Memory. Harmondsworth: Penguin, 1969. Citation reference for this article MLA Style Maras, Steven. "Reflections on Adobe Corporation, Bill Viola, and Peter Ramus while Printing Lecture Notes." M/C Journal 8.2 (2005). echo date('d M. Y'); ?> <http://journal.media-culture.org.au/0506/05-maras.php>. APA Style Maras, S. (Jun. 2005) "Reflections on Adobe Corporation, Bill Viola, and Peter Ramus while Printing Lecture Notes," M/C Journal, 8(2). Retrieved echo date('d M. Y'); ?> from <http://journal.media-culture.org.au/0506/05-maras.php>.
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Дисертації з теми "Photo-electric transformer"

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Панчева, Ганна Михайлівна. "Технологія кадмійвмісних багатошарових покриттів з фотоелектричними властивостями". Thesis, НТУ "ХПІ", 2015. http://repository.kpi.kharkov.ua/handle/KhPI-Press/17218.

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Анотація:
Дисертація на здобуття наукового ступеня кандидата технічних наук за спеціальністю 05.17.01 – технологія неорганічних речовин. – Національний технічний університет "Харківський політехнічний інститут", Харків, 2015 р. Дисертація присвячена розробці фізико-хімічних основ технології кадмійвмісних багатошарових покриттів з фотоелектричними властивостями, які можуть бути використані для виготовлення фотоелектричних перетворювачів на їх основі. На підставі термодинамічних розрахунків взаємодії компонентів системи CdCl₂ – NH₃ – NaOH – CS(NH₂)₂ та вивчення кінетичних закономірностей встановлено механізм утворення плівки CdS, що надало змогу керувати процесом осадження шляхом змінення концентрації компонентів системи. Обгрунтовано концентраційні межі компонентів обраної системи та розглянуто вплив легуючих домішок на морфологію отриманих покриттів, фотоелектричні показники отриманих плівок. Проведено дослідження впливу технологічних параметрів на процес осадження кадмійвмісних багатошарових покриттів: температури, рН розчину, концентрації аміаку, хлориду кадмію, тіокарбаміду та часу осадження. Запропонована технологічна схема процесу та реактор для осадження, який дозволяє здійснити процес нанесення плівки з раціональними витратами реагентів та енергоресурсів. Розроблено принципову технологічну схему та розраховано техніко-економічні показники.
The thesis for a candidate’s degree of technical science by specialty 05.17.01 − Technology of inorganic substances. – National Technical University "Kharkov Polytechnic Institute", Kharkov, 2015. The dissertation is developed of technology of cadmium sulfide with the preset properties. The choice of use of cadmium sulfide as the basic component for photoelectric converters use is proved. The design of PEC with working layer of CdS on the basis of a barrier of Shotki is offered. Thermodynamic researches of interaction are conducted in system CdCl₂ – NH₃ – NaOH – CS(NH₂)₂ and kinetic laws are studied, the mechanism of formation of a film of cadmium sulfide is established. Influence of technological parameters on process of reception CdS is studied: temperatures, рН, concentration of additives, durations of process, influence of concentration of components of process on morphology of a surface of received coverings. On the basis of the received data the mathematical model of process of sedimentation is offered. The optimum parameters of conducting process are established. On the basis of the spent researches the design of the reactor. The basic technological scheme is offered and technical and economic indicators are calculated. Successful trial tests of the developed technology have shown a high efficiency.
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2

Панчева, Ганна Михайлівна. "Технологія кадмійвмісних багатошарових покриттів з фотоелектричними властивостями". Thesis, НТУ "ХПІ", 2015. http://repository.kpi.kharkov.ua/handle/KhPI-Press/17217.

Повний текст джерела
Анотація:
Дисертація на здобуття наукового ступеня кандидата технічних наук за спеціальністю 05.17.01 – технологія неорганічних речовин. – Національний технічний університет "Харківський політехнічний інститут", Харків, 2015 р. Дисертація присвячена розробці фізико-хімічних основ технології кадмійвмісних багатошарових покриттів з фотоелектричними властивостями, які можуть бути використані для виготовлення фотоелектричних перетворювачів на їх основі. На підставі термодинамічних розрахунків взаємодії компонентів системи CdCl₂ – NH₃ – NaOH – CS(NH₂)₂ та вивчення кінетичних закономірностей встановлено механізм утворення плівки CdS, що надало змогу керувати процесом осадження шляхом змінення концентрації компонентів системи. Обгрунтовано концентраційні межі компонентів обраної системи та розглянуто вплив легуючих домішок на морфологію отриманих покриттів, фотоелектричні показники отриманих плівок. Проведено дослідження впливу технологічних параметрів на процес осадження кадмійвмісних багатошарових покриттів: температури, рН розчину, концентрації аміаку, хлориду кадмію, тіокарбаміду та часу осадження. Запропонована технологічна схема процесу та реактор для осадження, який дозволяє здійснити процес нанесення плівки з раціональними витратами реагентів та енергоресурсів. Розроблено принципову технологічну схему та розраховано техніко-економічні показники.
The thesis for a candidate’s degree of technical science by specialty 05.17.01 − Technology of inorganic substances. – National Technical University "Kharkov Polytechnic Institute", Kharkov, 2015. The dissertation is developed of technology of cadmium sulfide with the preset properties. The choice of use of cadmium sulfide as the basic component for photoelectric converters use is proved. The design of PEC with working layer of CdS on the basis of a barrier of Shotki is offered. Thermodynamic researches of interaction are conducted in system CdCl₂ – NH₃ – NaOH – CS(NH₂)₂ and kinetic laws are studied, the mechanism of formation of a film of cadmium sulfide is established. Influence of technological parameters on process of reception CdS is studied: temperatures, рН, concentration of additives, durations of process, influence of concentration of components of process on morphology of a surface of received coverings. On the basis of the received data the mathematical model of process of sedimentation is offered. The optimum parameters of conducting process are established. On the basis of the spent researches the design of the reactor. The basic technological scheme is offered and technical and economic indicators are calculated. Successful trial tests of the developed technology have shown a high efficiency.
Стилі APA, Harvard, Vancouver, ISO та ін.

Тези доповідей конференцій з теми "Photo-electric transformer"

1

Huang, J. H., X. J. Wang, and J. Wang. "Constitutive Modeling of PLZT Ceramics Based on the Photovoltaic Effect and the Viscoelastic Effect." In ASME 2013 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/imece2013-62639.

Повний текст джерела
Анотація:
Lead lanthanum zirconate titanate (PLZT) ceramics can transform the light energy into the mechanical energy without electric lead wires. The optical and direct drive based on PLZT ceramics, which is also green drive and non-contact drive, has many advantages in micro-driven and structure vibration control. However, the response of the photo-deformation is far slower than the photovoltage and the photocurrent, and the hysteresis and nonlinear of the photo-deformation prevent PLZT from applying to actuation and active structure vibration control. In this paper, a novel mathematical model based on the photovoltaic effect and the viscoelastic effect was established. The novel mathematical model was validated through experiments. According to the new expression of photo-deformation, the viscoelastic effect leading to the hysteresis and nonlinear of the photostrictive response was analyzed.
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