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Solid-State Sciences. Vol. 45. Springer Science & Business Media. ISBN 978-3-662-02403-4. Harald Overhof; Peter Thomas (11 April 2006). Electronic Transport in Hydrogenated Amorphous Semiconductors. Springer Tracts in Modern Physics. Vol. 114. Springer Berlin Heidelberg. ISBN 978-3-540-45948-4. Martin Pope; Charles E. Swenberg (1999).
A science fair or engineering fair is an event hosted by a school that offers students the opportunity to experience the practices of science and engineering for themselves. In the United States, the Next Generation Science Standards makes experiencing the practices of science and engineering one of the three pillars of science education.
EMMA models electricity dispatch and investment, minimizing the total cost with respect to investment, generation, and trades between market areas. In economic terms, EMMA classifies as a partial equilibrium model of the wholesale electricity market with a focus on the supply-side. EMMA identifies short-term or long-term optima (or equilibria ...
The parameters A, B, C, and D differ depending on how the desired model handles the line's resistance (R), inductance (L), capacitance (C), and shunt (parallel, leak) conductance G. The four main models are the short line approximation, the medium line approximation, the long line approximation (with distributed parameters), and the lossless line.
Although a common classroom experiment is often explained this way, [451] Bernoulli's principle only applies within a flow field, and the air above and below the paper is in different flow fields. [452] The paper rises because the air follows the curve of the paper and a curved streamline will develop pressure differences perpendicular to the ...
In a series of papers he: was one of the first to mention some of the failings of the triboelectric series, also showing that heat had a major effect on tribocharging; [29] analyzed in detail where different materials would fall in a triboelectric series, at the same time pointing out anomalies; [1] separately analyzed glass and solid elements ...
Essentially what is occurring is a long chain of momentum transfer between mobile charge carriers; the Drude model of conduction describes this process more rigorously. This momentum transfer model makes metal an ideal choice for a conductor; metals, characteristically, possess a delocalized sea of electrons which gives the electrons enough ...
Electric utilities measure energy using an electricity meter, which keeps a running total of the electrical energy delivered to a customer. Electric heating is an example of converting electrical energy into thermal energy. The simplest and most common type of electric heater uses electrical resistance to convert the energy. There are other ...