Results 131 to 140 of about 6,810 (263)

Impact and Compressive Performance of 3D‐Printed PA6/Functionalized Graphene Nanoplatelet Sandwich Structures With Auxetic Cores

Polymer Composites, EarlyView.
Schematic of PA6/functionalized graphene nanoplatelet compounding and filament extrusion to 3D printing, sandwich panel fabrication, and mechanical characterization. ABSTRACT This study examines the impact and compressive behavior of additively manufactured polyamide 6 (PA6) nanocomposite sandwich panels reinforced with amine‐functionalized graphene ...
Russo Swart, Karim El‐Ghamrawy, Richard Johnston, Feras Korkees   +3 more
wiley   +1 more source

New exceptionally preserved arthropod from the Furongian of Canada. [PDF]

BMC Biol
Bicknell RDC, Kimmig J, Goodman A, Turner T, Smith PM.   +4 more
europepmc   +1 more source

Evaluating the Reliability, Structure, and Measurement Invariance of the Panorama Student Survey in Middle School

Psychology in the Schools, EarlyView.
ABSTRACT Student perception surveys are increasingly used to inform school improvement efforts, yet evidence regarding their psychometric properties remains limited in many applied contexts. The present study examined the reliability, temporal stability, and measurement structure of the Panorama Student Survey in a large sample of middle school ...
Nicholas A. Gage, Chad Rose
wiley   +1 more source

An Increase in Animal Diversity was Facilitated by Ecologically-Driven Brain Complexity Throughout the Cambrian. [PDF]

Bioessays
Chipman AD.
europepmc   +1 more source

Examining Teacher Factors Related to Disproportionate Discipline for Soft Offenses: An Analysis Examining Teacher Perceptions

Psychology in the Schools, EarlyView.
ABSTRACT Teachers' culturally responsive practices and wellbeing have been theorized as relevant to racial disparities in exclusionary discipline, but empirical research examining these associations is limited. Using state administrative data and teacher survey reports from 23 middle schools and 574 teachers, this study examined whether school‐level ...
Catherine P. Bradshaw, Toshna Pandey, Eujene Chung, Michelle K. Francis, Jessika H. Bottiani   +4 more
wiley   +1 more source

Evaluating Testability of Permafrost Models Through Physical and Thermal Testing in Complex Mountain Terrain, Yukon, Canada

Permafrost and Periglacial Processes, EarlyView.
ABSTRACT Due to its subsurface nature, permafrost cannot be directly observed with the naked eye or optical remote sensing. Consequently, accurately describing its distribution and thermal state is challenging. This is especially true in vast, remote environments, where obtaining comprehensive field data is demanding or improbable.
Ria Nicholson, Philip P. Bonnaventure, Nick C. Noad, Madeleine C. Garibaldi, Rabecca Thiessen, Will Kochtitzky   +5 more
wiley   +1 more source

First Occurrence of <i>Wronascolex</i> sp. (Palaeoscolecida, Priapulida) in the Cambrian Tianpeng Formation (Wuliuan Stage), Southeastern Yunnan, South China: Implications for a New Burgess Shale-Type Lagerstätte. [PDF]

Life (Basel)
Xiao SY, Chen LR, Zhang ST, Zhang D, Chen XC, Hu YK, Song QY, Yang XQ, Zuo RH, Zhang GX.   +9 more
europepmc   +1 more source

Internal Structure, Kinematics, and Prehistory of Frozen Debris Lobe‐A (FDL‐A), Brooks Range, Alaska

Permafrost and Periglacial Processes, EarlyView.
ABSTRACT Frozen Debris Lobe‐A (FDL‐A)—one of hundreds of FDLs in the Brooks Range of northern Alaska—is a slow‐moving landslide in permafrost that has been the subject of research since 2008 due to its close proximity to the Dalton Highway. Here, we synthesize more than a decade's worth of climate and surface measurements of monitored FDLs, and the ...
Margaret M. Darrow, Esther L. Babcock, Ben A. Leshchinsky   +2 more
wiley   +1 more source

Uniqueness and predictability in evolution and the history of mollusks. [PDF]

Proc Natl Acad Sci U S A
Vermeij GJ, Thomson TJ.
europepmc   +1 more source

Depositional and Hydrological Relationships Between Buried Dead Ice and the Active Layer in the McMurdo Dry Valleys, Antarctica: A Study of Sediment Geochemistry and Cation Concentrations

Permafrost and Periglacial Processes, EarlyView.
ABSTRACT The McMurdo Dry Valleys, the largest ice‐free region in Antarctica, are home to a cold‐desert hydrologic system of glaciers, snowbanks, streams, and lakes. Freshwater is also stored as dead glacial ice, which is poorly constrained in terms of ion concentrations and interactions with both in situ and overlying sediments.
Matthew C. Witscheber, Kate M. Swanger
wiley   +1 more source