منابع مشابه
The human mandible: lever, link, or both?
Hylander ('78) recently published important new data on bite force in humans, and showed that the human mandible cannot function purely as a link during incisal biting. He concluded instead that the mandible acts as a lever. Reexamination of Hylander's data suggests that the mandible cannot function purely as a lever either, and in fact it probably functions simultaneously as both lever and lin...
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Speed as a crucial phenomenon of modernism affects individual and collective life of human being and changes the traits of the places people live in. Increasing speed is the demand of the modern era, though on the other side in recent years there is a contrary incline towards slowing down different aspects of life. In view of this, the dualities in between social features of Speed up and slow d...
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Until recently, evidence was lacking for an enhanced gene expression of the fat mass and obesity (FTO) gene in humans who carry obesitysusceptible genetic variants in FTO. By using a data set of 153 cerebellar brain samples from individuals of European ancestry, Smemo and colleagues have now demonstrated that carriers of common single nucleotide polymorphisms in the FTO gene exhibit a higher ce...
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We provide an exact performance attribution for levered strategies. The attribution includes some familiar elements: return magnification due to leverage, borrowing costs, trading costs, and the variance drag; while familiar, these elements are sometimes downplayed in backtests of levered strategies. In addition, we find empirically that the covariance between return of the source portfolio and...
متن کاملSkeletal units of the human embryonic mandible.
The development of the mandible was traced on serial sections of 20 human embryos aged 5-8 weeks (developmental stages 13-23). Special consideration was given to the differentiation of skeletal units proposed by Sperber. The first skeletal units, namely the mandibular body, the alveolar unit and the condylar unit, may be distinguished in the 7(th) week. The primordia of all units are identified...
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ژورنال
عنوان ژورنال: American Journal of Physical Anthropology
سال: 1979
ISSN: 0002-9483,1096-8644
DOI: 10.1002/ajpa.1330510116