Results 31 to 40 of about 554,532 (299)

An examination of inter-hemispheric conjugacy in a subauroral polarization stream [PDF]

, 2012
During geomagnetically disturbed conditions the midlatitude ionosphere is subject to intense poleward directed electric fields in the dusk-midnight sector.
Clausen, L.B.N., Freeman, M.P., Clausen, L. B. N., Ruohoniemi, J. M., Kunduri, B.S.R., Talaat, E. R., Baker, J.B.H., Baker, J. B. H., Thomas, E.G., Grocott, A., Kunduri, B. S. R., Talaat, E.R., Freeman, M. P., Thomas, E. G.   +13 more
core   +1 more source

The Dilemma of the Rapid Variations in CO₂ in Greenland Ice Cores (Abstract)

, 1988
Stauffer and others (1984) observed in the Greenland ice core from Dye 3 CO2 variations between low values in the range of 180-200 ppm volume and higher values in the range of 240-260 ppm volume, over a period tentatively dated to 30 000-40 000 years B.P.
B. Stauffer, Neftel, A., A. Neftel, H. Oeschger, T. Staffelbach, Staffelbach, T., Oeschger, H., Stauffer, B.   +7 more
core   +1 more source

A Rapid Design Method for Centrifugal Pump Impellers Based on Machine Learning [PDF]

Journal of Applied Fluid Mechanics
Centrifugal pumps are widely used across various industries, and the design of high-efficiency centrifugal pumps is essential for energy savings and emission reductions.
Y. Chen, W. Li, Y. Luo, L. Ji, S. Li, Y. Long   +5 more
doaj   +1 more source

Rapid atmospheric CO2 variations and ocean circulation

, 1984
Studies on air trapped in old polar ice (1,2) have shown that during the last ice age, the atmospheric carbon dioxide concentration was probably significantly lower than during the Holocene—about 200 p.p.m. rather than 270 p.p.m. Also, Stauffer et al. (3)
Siegenthaler, U., Wenk, Th., Th. Wenk, U. Siegenthaler   +3 more
core   +1 more source

Strong Coupling Between Carbon Cycle, Climate, and Weathering During the Paleocene‐Eocene Thermal Maximum

Geophysical Research Letters, 2023
The Paleocene‐Eocene Thermal Maximum (PETM; ∼56 Ma)–a geologically rapid carbon‐release event similar to anthropogenic carbon emissions–is ideal for investigating weathering responses to rapid carbon release and associated climate change.
Zuoling Chen, Zhongli Ding, Shiling Yang, Jimin Sun, Min Zhu, Yilin Xiao, Fengtai Tong, Yao Liang   +7 more
doaj   +1 more source

Altitudinal variations in wing morphology of Aedes albopictus (Diptera, Culicidae) in Albania, the region where it was first recorded in Europe

Parasite, 2019
The rapid spread and settlement of Aedes albopictus mosquitoes across at least 28 countries in Europe, as well as several countries in Asia Minor, the Middle East and Africa, has made it one of the most invasive species of all time.
Prudhomme Jorian, Velo Enkelejda, Bino Silvia, Kadriaj Perparim, Mersini Kujtim, Gunay Filiz, Alten Bulent   +6 more
doaj   +1 more source

Comment on “Spatial changes in inclusion band spacing as an indicator of temporal changes in slow slip and tremor recurrence intervals” by Nishiyama et al.

Earth, Planets and Space, 2023
A recent paper by Nishiyama et al. (Earth, Planets, and Space 73:126) examined syntectonic quartz veins to constrain temporal variations in the recurrence intervals between slow slip and tremor events.
Randolph T. Williams
doaj   +1 more source

Serological Benefit of SARS‐CoV‐2 Vaccination Relative to Infection in Children With Acute Lymphoblastic Leukemia

Pediatric Blood &Cancer, EarlyView.
ABSTRACT Background Children with acute lymphoblastic leukemia (ALL) are at risk of severe outcomes from SARS‐CoV‐2 (SCV2). In the post‐pandemic context, where most children have been infected with SCV2, there are limited data on whether vaccination remains beneficial in children with ALL.
Janna R. Shapiro, Freda Qi, Karen Colwill, Alina D. Dorogy, Ying Liu, Michelle Science, Anne‐Claude Gingras, James M. Rini, Sumit Gupta, Sarah Alexander, Shelly Bolotin, Tania H. Watts   +11 more
wiley   +1 more source

A New Phase of Optical Activity of BL Lacertae in the Fall of 2024: Intra-Night Flux and Polarization Variations

Universe
BL Lacertae is not only archetypical of an entire class of jet-dominated active galactic nuclei, blazars, but also one of the most active and rapidly changing objects in this class.
Rumen Bachev, Milen Minev, Anton Strigachev, Alexander Kurtenkov   +3 more
doaj   +1 more source

Modular slowing of resting-state dynamic functional connectivity as a marker of cognitive dysfunction induced by sleep deprivation

NeuroImage, 2020
Dynamic Functional Connectivity (dFC) in the resting state (rs) is considered as a correlate of cognitive processing. Describing dFC as a flow across morphing connectivity configurations, our notion of dFC speed quantifies the rate at which FC networks ...
Diego Lombardo, Catherine Cassé-Perrot, Jean-Philippe Ranjeva, Arnaud Le Troter, Maxime Guye, Jonathan Wirsich, Pierre Payoux, David Bartrés-Faz, Régis Bordet, Jill C. Richardson, Olivier Felician, Viktor Jirsa, Olivier Blin, Mira Didic, Demian Battaglia   +14 more
doaj   +1 more source