resistance-speed curve

  • 61Italy — /it l ee/, n. a republic in S Europe, comprising a peninsula S of the Alps, and Sicily, Sardinia, Elba, and other smaller islands: a kingdom 1870 1946. 57,534,088; 116,294 sq. mi. (301,200 sq. km). Cap.: Rome. Italian, Italia. * * * Italy… …

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  • 62race — race1 /rays/, n., v., raced, racing. n. 1. a contest of speed, as in running, riding, driving, or sailing. 2. races, a series of races, usually of horses or dogs, run at a set time over a regular course: They spent a day at the races. 3. any… …

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  • 63Quartz crystal microbalance — A quartz crystal microbalance (QCM) measures a mass per unit area by measuring the change in frequency of a quartz crystal resonator. The resonance is disturbed by the addition or removal of a small mass due to oxide growth/decay or film… …

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  • 64Maximum power point tracking — Current voltage characteristics of a solar cell at a particular light level, and in darkness. The area of the yellow rectangle gives the output power. Pmax denotes the maximum power point Maximum power point tracking (MPPT) is a technique that… …

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  • 65Phonograph — Turntable redirects here. For other uses, see Turntable (disambiguation). Edison cylinder phonograph ca. 1899 …

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  • 66Equine conformation — [original research?] Parts of a horse Equine conformation evaluates the degree of correctness of a horse s bone structure, musculature, and its body proportions in relation to each other. Undesirable conformat …

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  • 67physical science, principles of — Introduction       the procedures and concepts employed by those who study the inorganic world.        physical science, like all the natural sciences, is concerned with describing and relating to one another those experiences of the surrounding… …

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  • 68Recumbent bicycle — A recumbent bicycle is a bicycle which places the rider in a supine or semi supine position (rarely, in a prone position). Recumbents hold the world speed record for a bicycle and were banned from international racing in 1934 cite web url =… …

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  • 69NSB El 9 — El 9 El 9.2063 is preserved a …

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  • 70respiration, human — ▪ physiology Introduction       the process by which oxygen is taken up and carbon dioxide discharged. The design of the respiratory system  The human gas exchanging organ, the lung, is located in the thorax, where its delicate tissues are… …

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