Results 11 to 20 of about 406,028 (269)

Βio-Based Epoxy/Amine Reinforced with Reduced Graphene Oxide (rGO) or GLYMO-rGO: Study of Curing Kinetics, Mechanical Properties, Lamination and Bonding Performance

open access: yesNanomaterials, 2022
In this work, we report the synthesis and study of nanocomposites with a biobased epoxy/amine (Epilok 60-600G/Curamine 30-952) matrix reinforced with reduced graphene oxide (rGO) or functionalised with 3-glycidoxypropyltrimethoxysilane (GLYMO-rGO). These
Sheikh Rehman   +4 more
doaj   +1 more source

Bonding after trauma: on the role of social support and the oxytocin system in traumatic stress [PDF]

open access: yesEuropean Journal of Psychotraumatology, 2012
This paper outlines the state of affairs in psychobiological research on psychotrauma and PTSD with a focus on the role of the oxytocin system in traumatic stress.
Miranda Olff
doaj   +1 more source

Influence of High Temperature Oxidation on Hydrogen Absorption and Degradation of Zircaloy-2 and Zr 700 Alloys

open access: yesHigh Temperature Materials and Processes, 2019
The present research was aimed at determining the effects of the oxide layers on hydrogen absorption, microstructure and mechanical properties of the Zircaloy-2 and Zr 702 alloys.
Zieliński Andrzej   +4 more
doaj   +1 more source

OsB9−: An Aromatic Osmium-Centered Monocyclic Boron Ring

open access: yesFrontiers in Chemistry, 2021
Transition-metal-centered monocyclic boron wheels are important candidates in the family of planar hypercoordinate species that show intriguing structure, stability and bonding situation. Through the detailed potential energy surface explorations of MB9−
Rui Yu   +4 more
doaj   +1 more source

Chemical characterization of the adhesive secretions of the salamander Plethodon shermani (Caudata, Plethodontidae)

open access: yesScientific Reports, 2017
Salamanders have developed a wide variety of antipredator mechanisms, including tail autotomy, colour patterns, and noxious skin secretions. As an addition to these tactics, the red-legged salamander (Plethodon shermani) uses adhesive secretions as part ...
Janek von Byern   +9 more
doaj   +1 more source

Blessings and Curses: Exploring the Experiences of New Mothers during the COVID-19 Pandemic

open access: yesNursing Reports, 2020
The aim of this study was to explore the postpartum experiences of new parents during the COVID-19 pandemic. The postpartum period can be a time of significant transition, both positive and negative, for parents as they navigate new relationships with ...
Phillip Joy   +7 more
doaj   +1 more source

Determination of the synthetic hydroxyapatite life circle used in dental practice [PDF]

open access: yesChemical Industry and Chemical Engineering Quarterly, 2012
Dental materials are specific materials that were developed as a general materials for specific aplication in oral environment. To determinate the functional properties of this materials, we are obligated to use nonstandard approach and specific ...
Teodorović Nevenka, Jovanić Predrag
doaj   +1 more source

Orthodontic bonding – a national survey: Part I – Eesolts and Inferences

open access: yesAustralasian Orthodontic Journal, 1985
A survey of orthodontists in Australia was conducted in 1984. Of 325 questionnaires, there were 203 (65%) respondents. Over 90% had been bonding for three or more years, with a clear preference for composites over acrylic, for smaller mesh bases over ...
Russell Mark L.   +2 more
doaj   +1 more source

John B. Goodenough’s Role in Solid State Chemistry Community: A Thrilling Scientific Tale Told by a French Chemist

open access: yesMolecules, 2020
In this tribute to John B. Goodenough I will describe how John’s talk on the metal-to-nonmetal transition of vanadium oxide VO2, presented at the Bordeaux Conference (September 1964) attended by inorganic chemists, metallurgists, crystallographers ...
Michel Pouchard
doaj   +1 more source

A Simple Low-Temperature Glass Bonding Process with Surface Activation by Oxygen Plasma for Micro/Nanofluidic Devices

open access: yesMicromachines, 2020
The bonding of glass substrates is necessary when constructing micro/nanofluidic devices for sealing micro- and nanochannels. Recently, a low-temperature glass bonding method utilizing surface activation with plasma was developed to realize micro ...
Koki Shoda   +3 more
doaj   +1 more source

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