Cursory
发表于 2025-3-23 13:33:03
Possibilities and Limitations of the Use of Stable Isotopes (δ13C and δ15N) from Human Bone Collagenacid chains from collagen reflects the isotopic fractionation in the food proteins. Stable isotope values make it possible to distinguish herbivores from carnivores, and to further distinguish between marine and terrestrial sources of food.
缩影
发表于 2025-3-23 14:38:11
OSL Dating in Archaeologyn-made materials..In archaeology the OSL method is used to date pottery and other heated materials (e.g., bricks, stones, earth) or sediments related to archaeological finds. The significant improvement of the OSL dating method in recent years makes it applicable to objects ranging in age from 0 to
Mitigate
发表于 2025-3-23 21:04:15
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幼儿
发表于 2025-3-23 22:38:38
Large-Scale Periodicity of Climate Change During the Holocenenced occurrences of both slow and rapid climate change in the past. Various proxy records of long duration demonstrate distinct cyclicities from eleven years to hundreds of thousands years that have been attributed to external forcing. Until quite recently, palaeoclimatic research has tended to focu
农学
发表于 2025-3-24 03:49:53
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investigate
发表于 2025-3-24 07:46:04
Changes in Palaeoenvironment and Human Migrations in the Centre of the Russian Plains formed in the time interval from 10000 to 3500 BP are represented by steppe Chernozems attesting to less humid climate, whereas palaeosols dating back to the past 3500 years are represented by Podzolic and Grey Forest soils (Luvisols) attesting to humid climate. The periods of northward migration
florid
发表于 2025-3-24 11:12:34
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DEAWL
发表于 2025-3-24 18:43:32
Prehistoric Environment, Human Migrations and Origin of Pastoralism in Northern Eurasiaation of Northern Eurasia by anatomically modern humans was proceeded by several migratory waves generally directed from the west to the east. Human displacements were triggered by environmental stress, and coincided with the coldest stages of the Last Ice Age (40,000-10,000 years before present, B.
Arthritis
发表于 2025-3-24 20:56:44
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Servile
发表于 2025-3-25 02:34:13
dicine marked by the establishment of the harbinger Stanford Sleep Disorders Clinic in the mid 1970s, offspring sleep dis- ders clinics and centers have grown exponentially with the recognition of the unmet diagnostic and treatment needs of the reservoir of patients suffering from sy- toms of what a