Results 71 to 80 of about 1,880,402 (311)

Circle Up Self-Regulatory Framework: Integrating social, emotional, and academic learning

open access: yesSocial and Emotional Learning: Research, Practice, and Policy
While there is growing recognition that social-emotional learning (SEL) programs integrated with academic learning hold promise for increasing student engagement and academic achievement, there is a need for approaches to integrated SEL that provide an ...
Jess Gropen, Katie Bevan, Bill Wilmot
doaj   +1 more source

OBTAINING SINTERED PARTS OF BASALT POWDER [PDF]

open access: yesJournal of Research and Innovation for Sustainable Society, 2020
Unconventional materials such as composite, ceramic and mineral materials can be used, along with other technical materials, in various fields of technology. The most diverse processes and technologies can be applied to them in order to obtain finished
Marius BIBU, Florin CIOFU
doaj  

Composite Electrospun Fibers Containing Optimized B‐ and Cu‐Doped Bioactive Glass Sol‐Gel Particles for Potential Soft Tissue Engineering Applications

open access: yesAdvanced Engineering Materials, EarlyView.
This article describes the preparation and characterization of poly(ε‐caprolactone) electrospun composite fibers incorporating sol‐gel‐derived bioactive glass particles doped with B and Cu. Scanning electron microscopy, energy‐dispersive X‐ray spectroscopy, Fourier‐transform infrared spectroscopy, contact angle, acellular bioactivity, mechanical and ...
Elisa Piatti   +5 more
wiley   +1 more source

Dynamic evolution of residual stress upon manufacturing Al-based diesel engine diaphragm

open access: yesHigh Temperature Materials and Processes
As a thin-walled complex structure, the manufacturing of Al-based diesel engine diaphragms involves casting and heat treatment. Residual stress is introduced during the uneven temperature field in casting and heat treatment, as well as the plastic ...
Li Guodong   +4 more
doaj   +1 more source

Um problema de programação da produção numa fundição automatizada A production scheduling problem in an automated cast

open access: yesGestão & Produção, 1995
Este trabalho apresenta a modelagem de um problema particular de Programação da Produção numa Fundição Automatizada e sua resolução por um algoritmo de busca heurística, que explora a estrutura do problema.This paper presents a mathematical model of a ...
Andréa Carla Gonçalves Vianna   +1 more
doaj   +1 more source

A Rediscovery of Caddo Heritage: The W. T. Scott Collection at the American Museum of Natural History [PDF]

open access: yes, 2005
Back in August 1997, the Caddo Nation of Oklahoma had submitted a Native American Graves Protection and Repatriation Act (NAGPRA) claim for a cranium that had been obtained by the American Museum of Natural History (AMNH) in New York City in 1877.
Cast, Robert   +3 more
core   +1 more source

Reconciling the CAST and PVLAS Results

open access: yes, 2006
The PVLAS experiment has recently claimed evidence for an axion-like particle in the milli-electron-Volt mass range with a coupling to two photons that appears to be in contradiction with the negative results of the CAST experiment searching for solar ...
G. Taylor   +3 more
core   +1 more source

Effect of Antimony and Cerium on the Formation of Chunky Graphite during Solidification of Heavy-Section Castings of Near-Eutectic Spheroidal Graphite Irons [PDF]

open access: yes, 2009
Thermal analysis is applied to the study of the formation of chunky graphite (CHG) in heavysection castings of spheroidal graphite cast irons. To that aim, near-eutectic melts prepared in one single cast house were poured into molds containing up to four
A. Javaid   +27 more
core   +2 more sources

On the Impact Energy Absorption of an Advanced High‐Strength Bilayer Steel Composite Consisting of Carbide‐Free Bainitic Steel and High‐Mn Twinning‐Induced Plasticity Steel

open access: yesAdvanced Engineering Materials, EarlyView.
Excellent combinations of strength and impact toughness are obtained in a bilayer composite of high‐strength carbide‐free bainitic (CFB) steel and high‐ductility twinning‐induced plasticity (TWIP) steel. The composite absorbs energy at small strains when the notch is placed on the TWIP side and at high strains when the notch is placed on the CFB side ...
Kendra Hawke   +5 more
wiley   +1 more source

Development and Preliminary In Vivo Study of 3D‐Printed Bioactive Glass Scaffolds with Trabecular Architecture

open access: yesAdvanced Engineering Materials, EarlyView.
This study reports the fabrication of trabecular bioactive glass scaffolds (composition “1d”: 46.1SiO2‐28.7CaO‐8.8MgO‐6.2P2O5‐5.7CaF2‐4.5Na2O wt%) through vat photopolymerization and the relevant results from mechanical testing and in vivo implantation procedures in rabbit femora, showing great promise for bone tissue engineering applications.
Dilshat Tulyaganov   +8 more
wiley   +1 more source

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