Results 31 to 40 of about 4,498,774 (373)

Study of hyperfine structure in simple atoms and precision tests of the bound state QED [PDF]

, 2006
We consider the most accurate tests of bound state QED, precision theory of simple atoms, related to the hyperfine splitting in light hydrogen-like atoms.
Bennett, Czarnecki, Davier, Eidelman, Eidelman, Eides, Fischer, Heberle, Hughes, Karshenboim, Karshenboim, Karshenboim, Karshenboim, Kolachevsky, Kolachevsky, Mohr, N.N. Kolachevsky, Niering, P. Fendel, Prior, Reich, Rothery, S.G. Karshenboim, S.I. Eidelman, Sapirstein, T.W. Hänsch, V.A. Shelyuto, V.G. Ivanov   +27 more
core   +2 more sources

Crystal structure of tris(piperidinium) hydrogen sulfate sulfate

Acta Crystallographica Section E: Crystallographic Communications, 2015
In the title molecular salt, 3C5H12N+·HSO4−·SO42−, each cation adopts a chair conformation. In the crystal, the hydrogen sulfate ion is connected to the sulfate ion by a strong O—H...O hydrogen bond. The packing also features a number of N—H...O hydrogen
Tamara J. Lukianova, Vasyl Kinzhybalo, Adam Pietraszko   +2 more
doaj   +1 more source

Involvement of K+ ATP and Ca2+ channels in hydrogen sulfide-suppressed ageing of porcine oocytes

Biological Research, 2018
Background Hydrogen sulfide has been shown to improve the quality of oocytes destined for in vitro fertilization. Although hydrogen sulfide is capable of modulating ion channel activity in somatic cells, the role of hydrogen sulfide in gametes and ...
Jan Nevoral, Tereza Zalmanova, Kristyna Hoskova, Miriam Stiavnicka, Petr Hosek, Ales Petelak, Jaroslav Petr   +6 more
doaj   +1 more source

Investigation of radial distribution of atomic hydrogen flux to the plasma facing components in steady state discharges in QUEST tokamak

Nuclear Materials and Energy, 2021
To study radial distribution of hydrogen flux in peripheral plasma in long duration tokamak discharges, permeation and Langmuir reciprocate probes are used.
A. Kuzmin, M. Kobayashi, K. Hanada, H. Idei, T. Onchi, S. Mori, N. Yoneda, T. Shikama, M. Hasuo, T. Ido, Y. Nagashima, R. Ikezoe, M. Hasegawa, K. Kuroda, K. Kono, S. Matsuo, T. Nagata, S. Shimabukuro, A. Higashijima, I. Niiya, H. Zushi   +20 more
doaj   +1 more source

Formation of vacancy-type defects and hydride introduced by irradiation in pure titanium

Journal of Materials Research and Technology, 2023
The effect of hydrogen ion irradiation on the formation of hydride and vacancy-type defects in pure titanium was investigated by X-ray diffraction (XRD), Doppler broadening spectrum (DBS), and coincidence Doppler broadening spectrum (CDB) based on slow ...
Xiao Liu, Xudong An, Qianqian Wang, Te Zhu, Mingpan Wan, Fengjiao Ye, Baoyi Wang, Xingzhong Cao   +7 more
doaj   +1 more source

Electrospun catalyst layers using short-side-chain ionomer for low platinum and high performance PEMFCs

Electrochemistry Communications
Proton exchange membrane fuel cells (PEMFCs) should further reduce the platinum consumption to lower their manufacturing costs and life-cycle carbon emissions.
Weitao Gao, Jiapeng Lu, Jiayi Chen, Lingyun Zhang, Zeping Zhang, Yijie Lei, Hongwu Ouyang, Yanan Yin, Cheng Wang   +8 more
doaj   +1 more source

On general-relativistic hydrogen and hydrogenic ions [PDF]

Journal of Mathematical Physics, 2020
This paper studies how the static non-linear electromagnetic-vacuum spacetime of a point nucleus with a negative bare mass affects the self-adjointness of the general-relativistic Dirac Hamiltonian for a test electron, without and with an anomalous magnetic moment.
Michael K.-H. Kiessling, A. Shadi Tahvildar-Zadeh, Ebru Toprak   +2 more
openaire   +3 more sources

An overview of negative hydrogen ion sources for accelerators

, 2018
An overview of high current (>1 mA) negative hydrogen ion (H–) sources that are currently used on particle accelerators. The current understanding of how H– ions are produced is summarised. Issues relating to caesium usage are explored.
D. Faircloth, S. Lawrie
semanticscholar   +1 more source

Hydration of ions in two dimensional water

, 2015
We present a 2D lattice model of water to study the effects of ion hydration on the properties of water. We map the water molecules as lattice particles consisting of a single Oxygen at the center of a site and two Hydrogen atoms on each side.
Dutta, S., Jho, Y. S., Lee, Yongjin
core   +1 more source

Bound state properties and photodetachment of the negatively charged hydrogen ions

, 2015
Absorption of infrared and visible radiation from stellar emission spectra by the negatively charged hydrogen ions H$^{-}$ is considered. The explicit formula for the photodetachment cross-section of the negatively charged hydrogen ion(s) is derived ...
Frolov, Alexei M.
core   +1 more source