The Younger Dryas (YD, Greenland Stadial GS-1) [2 ] was a period in Earth's geologic history that occurred circa 12,900 to 11,700 years Before Present (BP). [3 ] It is primarily known for the sudden or "abrupt" cooling in the Northern…
In projective geometry, a homography is an isomorphism of projective spaces, induced by an isomorphism of the vector spaces from which the projective spaces derive. [1 ] It is a bijection that maps lines to lines, and thus a collineation.
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Volcanic processes and hazards ranging from magmatic storage and recharge conditions, through eruption, to deposition; rates of mass, momentum, and energy transfer in different volcanic and geologic processes; analog modeling, optical flow…
The sources are listed in chronological order. Lists of metalloids differ since there is no rigorous widely accepted definition of metalloid (or its occasional alias, 'semi-metal'). Individual lists share common ground, with variations…
Systolic BP and large elastic artery stiffness both increase with age and are reduced by dietary sodium restriction. Production of the natriuretic hormone marinobufagenin, an endogenous α1 Na+,K+-ATPase inhibitor, is increased in salt…
Cumulative evidence suggests that during the ancient Noachian time period, the surface environment of Mars had liquid water and may have been habitable for microorganisms, but habitable conditions do not necessarily indicate life. [1 ] [2 ]
يمثل المثلث الموجود في المنتصف مبدأ العلاج المعرفي السلوكي القائل بأن جميع المعتقدات الأساسية للبشر يمكن تلخيصها في ثلاث فئات: الذات self، والبعض الآخر…