منابع مشابه
How much are glaciers and ice sheets contributing to global sea-level rise?
From measurements made by the IPCC it is clear that Global sea level is rising, however the direct cause of this rise is not yet fully certain, although there is strong evidence that glacier melt is a strong causal factor. Global sea level rose by about 120 meters during the several millennia that followed the end of the last ice age (approximately 21,000 years ago), and stabilized between 3,00...
متن کاملPnm-19: How Are Prenatal Screening Results after ART Success?
Background Down syndrome screening at first-trimester may cause a higher false positive rate in pregnant patients who have undergone assisted reproductive technologies (ART). Combining the second largest series of biophysical and biochemical tests in the first trimester of pregnancy after ART is mentioned in few studies. MaterialsAndMethods Ghisoni et al explored that NT measurement between ART...
متن کاملHow are postural strategies modified along the time?
Postural control is critical for effective performance of all goal-directed activities. For maintenance of postural equilibrium against gravity and environmental disturbances, central nervous system produces centrally organized patterns of muscle activity based on initial conditions, perturbation characteristics, learning and intention. These organized strategies are called "postural strategies...
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ژورنال
عنوان ژورنال: Scientific American
سال: 1906
ISSN: 0036-8733
DOI: 10.1038/scientificamerican06301906-534