نتایج جستجو برای: glass ion

تعداد نتایج: 274965  

Journal: :Applied sciences 2021

Ion exchange in glass has a long history as simple and effective technology to produce gradient-index structures been largely exploited industry research laboratories. In particular, ion-exchanged waveguide served an excellent platform for theoretical experimental studies on integrated optical circuits, with successful applications communications, processing sensing. It should not be forgotten ...

Journal: :Biophysical journal 2014
Richard Horn Benoît Roux Johan Åqvist

The fundamental biophysics underlying the selective movement of ions through ion channels was launched by George Eisenman in the 1960s, using glass electrodes. This minireview examines the insights from these early studies and the explosive progress made since then.

2012
Javier L Albacete

I present a brief discussion of the different approaches to the study initial state effects in heavy ion collisions performed at RHIC and the LHC with emphasis in the Color Glass Condensate approach.

2005
David Valdman

ion ........................................................................................................................ 7 Physics and Reality ........................................................................................................... 9 Mathematics and Truth.................................................................................................. 10 Foundations of Ma...

Journal: :Micromachines 2016
Nguyen Van Toan Masaya Toda Takahito Ono

This paper presents processes for glass micromachining, including sandblast, wet etching, reactive ion etching (RIE), and glass reflow techniques. The advantages as well as disadvantages of each method are presented and discussed in light of the experiments. Sandblast and wet etching techniques are simple processes but face difficulties in small and high-aspect-ratio structures. A sandblasted 2...

Journal: :Journal of radiation research 2002
Seiichi Wada Yasuhiko Kobayashi Tomoo Funayama Masahiro Natsuhori Nobuhiko Ito Kazuo Yamamoto

Investigating the biological effects of high-LET heavy-ion irradiation at low fluence is important to evaluate the risk of radiation in space. It is especially necessary to detect radiation damage induced by a precise number of heavy ions in individual cells. We thus compared the number of ions traversing a cell and the DNA damage produced by ion hits. We applied a comet assay to measure the DN...

Journal: :The Journal of chemical physics 2009
Daniel Fragiadakis Shichen Dou Ralph H Colby James Runt

We investigate the segmental and local dynamics as well as the transport of Li(+) cations in a series of model poly(ethylene oxide)-based single-ion conductors with varying ion content, using dielectric relaxation spectroscopy. We observe a slowing down of segmental dynamics and an increase in glass transition temperature above a critical ion content, as well as the appearance of an additional ...

2006
Vasilis Fthenakis Paul Duby Wenming Wang Christopher Graves Anuta Belova

Research on recycling of CdTe PV modules and manufacturing waste aims in optimizing the separations and recovery of glass, cadmium and tellurium while minimizing life-cycle emissions and energy use, under the constraint of low cost (e.g. a few cents per watt). The major tasks of our research are: a) Cleaning of glass from the metals and recycling of glass; b) separation of Te from Cd and other ...

Journal: :Acta biomaterialia 2012
Azadeh Kiani John V Hanna Scott P King Gregory J Rees Mark E Smith Nima Roohpour Vehid Salih Jonathan C Knowles

Phosphate-based glasses have been investigated for tissue engineering applications. This study details the properties and structural characterization of titanium ultra-phosphate glasses in the 55(P(2)O(5))-30(CaO)-(25-x)(Na(2)O)-x(TiO(2)) (0≤x≤5) system, which have been prepared via melt-quenching techniques. Structural characterization was achieved by a combination of X-ray diffraction (XRD), ...

2013
Lucian Capitanu Virgil Florescu

It is generally known that the friction and wear between polymers and polished steel surfaces has a special character, the behaviour to friction and wear of a certain polymer might not be valid for a d ifferent polymer, moreover in dry friction conditions. In this paper, the reaction to wear of certain polymers with short glass fibres (polyamide + 20% glass fibres, polyamide + 30% glass fibres ...

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