Results 21 to 30 of about 603,136 (280)

Dissimilar diffusion bonding behavior of hydrogenated Ti2AlNb-based and Ti-6Al-4V alloys

open access: yesMaterials & Design, 2018
The effects of hydrogen concentration, heating rate and bonding temperature on dissimilar diffusion bonding of Ti2AlNb-based and Ti-6Al-4V alloys were investigated.
Fuhui Zhu   +3 more
doaj   +1 more source

Two isostructural carbamates: the o-tolyl N-(pyridin-3-yl)carbamate and 2-bromophenyl N-(pyridin-3-yl)carbamate monohydrates

open access: yesActa Crystallographica Section E: Crystallographic Communications, 2015
The title carbamate monohydrates, C13H12N2O2·H2O and C12H9BrN2O2·H2O, form isomorphous crystals that are isostructural in their primary hydrogen-bonding modes.
Pavle Mocilac, John F. Gallagher
doaj   +1 more source

Physics and chemistry of hydrogen in the vacancies of semiconductors [PDF]

open access: yes, 2003
Hydrogen is well known to cause electrical passivation of lattice vacancies in semiconductors. This effect follows from the chemical passivation of the dangling bonds.
A. Fara   +34 more
core   +1 more source

Intermolecular interactions in the chiral and racemic forms of 3-hydroxy-2-(1-oxoisoindolin-2-yl)butanoic acid derived from threonine [PDF]

open access: yes, 2000
The title compounds, C₁₂H₁₃NO₄, are derived from L-threonine and DL-threonine, respectively. Hydrogen bonding in the chiral derivative, (2S/3R)-3-hydroxy-2-(1-oxoisoindolin-2-yl)butanoic acid, consists of O-Hacid...Oalkyl-H...O=Cindole chains [O...O 2 ...
Brady, Fiona   +2 more
core   +1 more source

Structural and dipolar fluctuations in liquid water: a Car–Parrinello molecular dynamics study [PDF]

open access: yes, 2016
A Car–Parrinello molecular dynamics simulation was performed to investigate the local tetrahedral order, molecular dipole fluctuations and their interrelation with hydrogen bonding in liquid water.
Guàrdia Manuel, Elvira   +2 more
core   +2 more sources

Crystal structures of N ′-Aminopyridine-2-carboximidamide and N ′-{[1-(pyridin-2-yl)ethylidene]amino}pyridine-2-carboximidamide [PDF]

open access: yes, 2017
© Eya'ane Meva et al. 2017. The crystal structures of N,-Aminopyridine-2-carboximidamide (C 6 H 8 N 4 ), 1, and N,-{[1-(pyridin-2-yl)ethylidene]amino}pyridine-2-carboximidamide (C 13 H 13 N 5 ), 2, are described.
Evans, David John   +3 more
core   +2 more sources

Profiling Hydrogen-Bond Conductance via Fixed-Gap Tunnelling Sensors in Physiological Solution

open access: yesChemosensors
Hydrogen bonding, a prevalent molecular interaction in nature, is crucial in biological and chemical processes. The emergence of single-molecule techniques has enhanced our microscopic understanding of hydrogen bonding.
Biao-Feng Zeng   +8 more
doaj   +1 more source

Functional materials based on molecules with hydrogen-bonding ability: applications to drug co-crystals and polymer complexes [PDF]

open access: yesRoyal Society Open Science, 2018
The design, synthesis and property characterization of new functional materials has garnered interest in a variety of fields. Materials that are capable of recognizing and binding with small molecules have applications in sensing, sequestration, delivery
Kristin M. Hutchins
doaj   +1 more source

Three-body Hydrogen Bond Defects Contribute Significantly to the Dielectric Properties of the Liquid Water-Vapor Interface

open access: yes, 2018
In this Letter, we present a simple model of aqueous interfacial molecular structure and we use this model to isolate the effects of hydrogen bonding on the dielectric properties of the liquid water-vapor interface. By comparing this model to the results
Shin, Sucheol, Willard, Adam P.
core   +2 more sources

Hydrogen-bonded multilayer thin films and capsules based on poly(2-n-propyl-2-oxazoline) and tannic acid : investigation on intermolecular forces, stability, and permeability [PDF]

open access: yes, 2019
In recent years, hydrogen-bonded multilayer thin films and capsules based on neutral and nontoxic building blocks have been receiving interest for the design of stimuli-responsive drug delivery systems and for the preparation of thin-film coatings ...
Hoogenboom, Richard   +5 more
core   +1 more source

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