Results 41 to 50 of about 600,864 (336)
Review of seismic velocity anomalies in the lower mantle
地球与行星物理论评, 2023 The lower mantle accounts for more than 50% of the total volume of the Earth, and influences the evolution of the Earth. Early studies showed that the lower mantle is relatively homogeneous, but since the 1970s, seismic tomography revealed the velocity ...
Yutong Shi +4 more
doaj +1 more source
Pairwise summation approximation for Casimir potentials and its limitations
, 2012 We investigate the error made by the pairwise summation (PWS) approximation in three geometries where the exact formula for the Casimir interaction is known: atom-slab, slab-slab and sphere-slab configurations.
Bitbol, Anne-Florence +3 more
core +2 more sources
MetalsDuring continuous slab casting, strand electromagnetic stirring (S-EMS) has a significant effect on improving the slab quality. In the current work, a numerical model based on the practical slab continuous casting machine and coupled electromagnetic ...
Daiwei Liu +3 more
doaj +1 more source
Enhanced acoustic transmission through a slanted grating [PDF]
, 2015 It is known that an acoustic wave incident on an infinite array of aligned rectangular blocks of a different acoustic material exhibits total transmission if certain conditions are met [1] which relate the unique "intromission" angle of incidence with ...
Norris, Andrew N., Su, Xiaoshi
core +2 more sources
Complex anisotropy beneath the Peruvian flat slab from frequency-dependent, multiple-phase shear wave splitting analysis [PDF]
, 2013 Flat or shallow subduction is a relatively widespread global occurrence, but the dynamics remain poorly understood. In particular, the interaction between flat slabs and the surrounding mantle flow has yet to be studied in detail.
Eakin, Caroline M., Long, Maureen D.
core +1 more source
Materials FuturesWidespread deployment of proton exchange membrane water electrolyzers (PEMWE) relies on acid-stable oxygen evolution reaction (OER) catalysts capable of operating at high current densities.
Jingwei Wang +14 more
doaj +1 more source
Ateliers primaires de l’Égypte gréco-romaine : le site de Beni Salama dans le Wadi Natrun
Archéopages, 2010 The Beni Salama Site in the region of Wadi Natrun is of key importance if we are to understand the role of Egypt in the glass-making industry of antiquity. Excavations on ancient glass-making sites in the Near East suggested that similar furnaces existed
Marie-Dominique Nenna
doaj +1 more source
Casimir stress in and force on a metal slab in a planar cavity
, 2009 Emphasizing first the utility of the generalized Fresnel coefficients in the theory of the Casimir effect in planar cavities, we complement our previous discussion of the ordinary Casimir force on and the Casimir stress in a metal (plasma) slab in a ...
Lenac, Zdravko, Tomas, Marin-Slobodan
core +1 more source
Annals of Clinical and Translational Neurology, EarlyView.ABSTRACT Objective To explore how cerebral hypoxia and Normal‐Appearing White Matter (NAWM) integrity affect MS lesion burden and clinical course. Methods Seventy‐nine MS patients, including 13 clinically isolated syndrome (CIS) patients and 66 relapsing–remitting multiple sclerosis (RRMS) patients, and 44 healthy controls (HCs) were recruited from ...
Xinli Wang +8 more
wiley +1 more source
Slab melting versus slab dehydration in subduction-zone magmatism [PDF]
Proceedings of the National Academy of Sciences, 2011 The second critical endpoint in the basalt-H 2 O system was directly determined by a high-pressure and high-temperature X-ray radiography technique. We found that the second critical endpoint occurs at around 3.4 GPa and 770 °C (corresponding to a depth of approximately 100 km in a subducting slab), which is much ...
Kenji, Mibe +4 more
openaire +2 more sources