نتایج جستجو برای: late plateau
تعداد نتایج: 220055 فیلتر نتایج به سال:
We provide new kinematic data from the Potwar Plateau (Pakistan) to evaluate tectonic evolution of region during Neogene. The plateau is bound by two major strike-slip faults in west and east, accommodating its southwards translation.We have recognized Neogene deformation phases plateau, based on paleostress inversion Anisotropy Magnetic Susceptibility (AMS) tensors. first phase lasted until ea...
Insulin responsiveness to glucose and tissue responsiveness to insulin, using the hyperglycemic clamp and the hyperinsulinemic euglycemic clamp techniques, were measured in lactating, late pregnant, and nonpregnant, nonlactating (NPNL) beef cows. The glucose infusion rate (GIR) in the hyperglycemic clamp technique was higher (P less than .05). in lactating cows than in NPNL cows. The plateau in...
the house mouse (mus musculus) is a polytypic species, with its geographic distribution largely the result of human migrations during the late glacial and holocene. this study used geometric morphometry (gm) on upper and lower molars to discriminate among the three subspecies of the house mouse present in iran. moreover cranial remains of this species were uncovered on several archaeological si...
The archaeological mound of Sofalin south of the Alborz Mountains of Northern Iran (Eastern Rey plain) sheds considerablelight on at least four problems connected with the emergence of complex societies in this part of Iran. The first, it helpsfill a chronological gap in an important archaeological sequence by revealing a previously unidentified late fourth andthird millennium B.C. sequence of ...
Data collected in a measurement campaign in February and March 1997 showed that the Mexico Basin (also called the Valley of Mexico), located atop the Mexican plateau, fails to develop the strong nocturnal inversions usually associated with basins and does not exhibit diurnally reversing valley wind systems. Data analyses, twoand three-dimensional numerical simulations with the Regional Atmosphe...
Early archaeological investigations on the Tibetan Plateau concluded that this harsh, high-elevation environment was successfully colonized around 30,000 years ago. Genetic studies have tended to support this view on the assumption that the uniquely evolved physiological capacities seen among modern Tibetan populations required long-term exposure to high-elevation selective pressures. Archaeolo...
Mitochondrial genome evidence reveals successful Late Paleolithic settlement on the Tibetan Plateau.
Due to its numerous environmental extremes, the Tibetan Plateau--the world's highest plateau--is one of the most challenging areas of modern human settlement. Archaeological evidence dates the earliest settlement on the plateau to the Late Paleolithic, while previous genetic studies have traced the colonization event(s) to no earlier than the Neolithic. To explore whether the genetic continuity...
Aging appears to cease at late ages, when mortality rates roughly plateau in large-scale demographic studies. This anomalous plateau in late-life mortality has been explained theoretically in two ways: (1) as a strictly demographic result of heterogeneity in life-long robustness between individuals within cohorts, and (2) as an evolutionary result of the plateau in the force of natural selectio...
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