نتایج جستجو برای: solent
تعداد نتایج: 51 فیلتر نتایج به سال:
Microlearning, in which lecture recordings are segmented into parts, saw renewed focus as a means of maintaining student engagement amid the challenging conditions COVID-19 pandemic. While many institutions shifted to remote provision with recordings, there is lack consensus about length that these segments should be order best maintain engagement. Using self-reported system Likert-based diagno...
While marine records of the Eocene-Oligocene transition indicate a generally coherent response to global cooling and the growth of continental ice on Antarctica, continental rec ords indicate substantial spatial variability. Marine Eocene-Oligocene transition records are marked by an ~+1.1‰ foraminiferal δ18O shift, but continental rec ords rarely record the same geochemical signature, making b...
Geochemical and modeling studies suggest that the transition from the "greenhouse" state of the Late Eocene to the "icehouse" conditions of the Oligocene 34-33.5 Ma was triggered by a reduction of atmospheric pCO2 that enabled the rapid buildup of a permanent ice sheet on the Antarctic continent. Marine records show that the drop in pCO2 during this interval was accompanied by a significant dec...
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