منابع مشابه
The Brain Never Stops
THE BRAIN IS SPONTANEOUSLY ACTIVE Surprisingly, the brain uses about 20% of the body’s energy at all times. That’s right: about one-fifth of everything you eat is for your brain. Figure 1 shows the energy consumption of the upper body and head. The dark areas show body parts that use a lot of energy while resting without movement. The brain uses a lot of energy, so it appears very dark in the i...
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One of the questions that makes me squirm when I’m being interviewed by the media is “Dr Wilson, how much do family doctors earn?” I think I am uncomfortable for 2 reasons. The first is that I would much prefer to talk about the reasons why family doctors chose their profession, which generally include the desire to be of service to others in their communities. The second is that although medic...
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An analysis of oral and nasal stops, affricates, oral and nasal flaps, and glottal stops was conducted using data from the TIMIT database. The results offer descriptions of the frequency of these segments in the large TIMIT corpus, mean segmental durations, voice onset times, and certain effects of voicing, place, word position, and speaker sex. Because of the quantity and diversity of speech d...
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Two of the most fundamental distinctions between classes of speech sounds is that between sonorants and obstruents and between continuants and non-continuants. Sonorants are characterized as sounds which have no constriction small enough to impede the flow of air to the point of creating any audible turbulence; obstruents, as sounds which have a constriction which does impede the flow of air to...
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ژورنال
عنوان ژورنال: School Science and Mathematics
سال: 1920
ISSN: 0036-6803
DOI: 10.1111/j.1949-8594.1920.tb12520.x