7,586 research outputs found

    Thin film module electrical configuration versus electrical performance

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    The as made and degraded states of thin film silicon (TFS) based modules have been modelled in terms of series resistance losses. The origins of these losses lie in interface and bulk regions of the devices. When modules degrade under light exposure, increases occur in both the interface and bulk components of the loss based on series resistance. Actual module performance can thus be simulated by use of only one unknown parameter, shunt losses. Use of the simulation to optimize module design indicates that the current design of 25 cells per linear foot is near optimum. Degradation performance suggests a shift to approx. 35 cells to effect maximum output for applications not constrained to 12 volts. Earlier studies of energy based performance and tandem structures should be updated to include stability factors, not only the initial loss factor tested here, but also appropriate annealing factors

    Age-gender peculiarities of drinks categorization

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    The problem of categorization of drinks to sample survey of German and Russian adolescentsyesBelgorod State Universit

    Lexicographic resources applicability in studying the contemporary state of a fragment of the picture of the world

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    On the basis of a multidimensional study of 300 respondents studied lexicographical resources and their impact on the current state of the world picture fragmentyesBelgorod State Universit

    Multiaspect approach to the study of a fragment of the picture of the world

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    Shows the comprehensiveness of bringing into play a complex of empirical methods that allows to study not only the composition and organization of a concept, its position within the picture of the world, blit also to reveal the newest trends of its development to clarify its socio psychological background, to retrace corresponding stereotypes, systems of norms and valuesyesBelgorod State Universit

    Drinks in national and group pictures of the world

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    The present paper shows the differences in representation of drinks at the level of the national and different age-gender group pictures of the world. Analysis of collected lexicographical and empirical material reveals a wide discrepancy between national and group-level systems of drinks denominationsyesBelgorod State Universit

    Comparing the same stimulus associative fields fixed in different historical periods : technique application case study

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    The data of an associative experiment can be consolidated in the form of an associative dictionary which is a unique research tool helping to describe collective “ordinary” consciousness of native speakers, public “mental climate”. It should be noted in this regard that “the interest in the study of the dynamics of language consciousness on the material of comparative analysis of the associative fields dif-fering in the time of fixation has grown nowadays”ye

    Existential concepts in the Russian naïve picture of the world: dynamics revealed through diachronic comparative study of associative fields

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    The subject matter of concepts of culture is of great interest and topicality to researchers in the fields of linguoculturology and cognitive linguisticsye

    Medium-term dynamics of the naive picture of the world through the prism of associative experiment

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    The article shows that the changes of associative fields in diachrony somewhat schematically, but quite accurately reflect the dynamics of corresponding fragments of the naïve picture of the world. The undertaken comparative analysis of the associative fields of some stimuli representing “security perimeter” concept as of 1988-1997 (the data of “Russian associative dictionary”) and 2013-2014 (the results of the author’s experiment) revealed both some structural differences and more pronounced changes in relevance of a number of components and separate representatives of the fields under studyyesBelgorod State Universit

    A theoretical analysis of the electromagnetic environment of the AS330 super Puma helicopter external and internal coupling

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    Numerical techniques such as Finite Difference Time Domain (FDTD) computer programs, which were first developed to analyze the external electromagnetic environment of an aircraft during a wave illumination, a lightning event, or any kind of current injection, are now very powerful investigative tools. The program called GORFF-VE, was extended to compute the inner electromagnetic fields that are generated by the penetration of the outer fields through large apertures made in the all metallic body. Then, the internal fields can drive the electrical response of a cable network. The coupling between the inside and the outside of the helicopter is implemented using Huygen's principle. Moreover, the spectacular increase of computer resources, as calculations speed and memory capacity, allows the modellization structures as complex as these of helicopters with accuracy. This numerical model was exploited, first, to analyze the electromagnetic environment of an in-flight helicopter for several injection configurations, and second, to design a coaxial return path to simulate the lightning aircraft interaction with a strong current injection. The E field and current mappings are the result of these calculations
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