Results 301 to 310 of about 1,273,557 (336)
The physics of power stations. II. Nuclear power stations [PDF]
Physics Education, 1975 For pt.I see ibid., vol.10, p.448 (1975). Data are presented relating to the design, operation and waste production of the steam generating heavy water reactor (SGHWR), that was collected for use in the power station game, a physics based simulation exercise recently developed for use in schools.
H I Ellington, N H Langton
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Nature, 1962 Physics and Politics By Prof. Max Born. Pp. vii + 86. (Edinburgh and London: Oliver and Boyd, Ltd., 1962.) 12s. 6d.
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On the physical meaning of the power factor in acoustics
The Journal of the Acoustical Society of America, 2012Following recent advancements in the study of time-averaged properties of energy propagation in linear acoustic fields, the well established concept of power factor known from the electric AC circuits analysis, is here extended to acoustics. This allows our outline of a complete acousto-electro-mechanic analogy, where the fundamental physical concept ...
Domenico Stanzial +2 more
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Reliability of Power in Physical Performance Tests
Sports Medicine, 2001The reliability of power in tests of physical performance affects the precision of assessment of athletes, patients, clients and study participants. In this meta-analytic review we identify the most reliable measures of power and the factors affecting reliability. Our measures of reliability were the typical (standard) error of measurement expressed as
Hopkins, William +2 more
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Physics of semiconductor power devices [PDF]
Reports on Progress in Physics, 1982 Semiconductor power devices are designed to rapidly switch or amplify high currents, to support high voltages, and to control electric power. Because of these requirements, their topographies and structures are different from those of small-signal devices. Specific designs are the result of the understanding of the physics of p-n junction HV breakdown,
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USB-powered physics experiments
The Physics Teacher, 2020Physics experiments powered by a universal serial bus (USB) connection are becoming increasingly common. With teachers going through so many batteries each year, USB-powered physics provides an economical and environmentally friendly alternative. In this article, the authors discuss several ways that USB power can provide a convenient way to do physics
James Lincoln, Anton Skorucak
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The physics of high-power arcs
Reports on Progress in Physics, 1980Progress in the physics of high-power arcs has been largely due to a blend of detailed experimental and theoretical investigations aimed at explaining the electrical behaviour of the discharge in terms of fundamental physical processes. In the case of collision-dominated, high-pressure arcs the important role of radiative energy transfer, including ...
G R Jones, Michael Fang
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2022
The purpose of this white paper is to describe how unfair power dynamics related to various aspects of identity -- race, gender identity, gender expression, sexual orientation, and ability status -- operate in physics settings and offer concrete steps that one can take to make our discipline more equitable and just.
Hodari, Apriel K +5 more
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The purpose of this white paper is to describe how unfair power dynamics related to various aspects of identity -- race, gender identity, gender expression, sexual orientation, and ability status -- operate in physics settings and offer concrete steps that one can take to make our discipline more equitable and just.
Hodari, Apriel K +5 more
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Power Motivation, Stress and Physical Illness
Journal of Human Stress, 1980College students reporting a large number of life change events in the past six months also reported significantly more frequent and more severe instances of physical illness and more affective symptoms in the same time period. These relationships, however, were modified in an interesting way by type of life change and by individual differences.
David C. McClelland, John B. Jemmott
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Physical models for smart-power devices
Proceedings of the International Conference Mixed Design of Integrated Circuits and System, 2006. MIXDES 2006., 2006A careful prediction of the carrier mobility and impact-ionization generation is essential for the design of devices working in high-current/voltage conditions, where self-heating is relevant. Recently, some of the authors presented new physically-based models for both mobility and impact ionization, which have been validated up to very high operating ...
RUDAN, MASSIMO +8 more
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