Results 41 to 50 of about 5,189,573 (392)

MMI Devices with Weak Guiding Designed in Three Dimensions Using a Genetic Algorithm [PDF]

open access: yes, 2004
We discuss the design of weakly guided multimode interference (MMI) devices using a genetic algorithm. For devices exhibiting a nonnegligible vertical waveguide offset, such as those produced using ion exchange in glass, three-dimensional modeling is ...
Honkanen, Seppo, West, Brian R.
core   +3 more sources

Diagnosis of Ion-Exchange Resin Depositions in Paraffin Sections Using Corrective Light and Electron Microscopy-NanoSuit Method

open access: yesDiagnostics, 2021
Ion-exchange resins are commonly used to treat complications such as hyperkalemia, hyperphosphatemia, and hypercholesterolemia. Gastrointestinal complications may occur as side effects of such treatments.
Mako Ooishi   +10 more
doaj   +1 more source

Multistrange baryon production in relativistic heavy ion collisions [PDF]

open access: yes, 2001
Using a multiphase transport model, we study the production of multistrange baryons from the hadronic matter formed in relativistic heavy ion collisions. The mechanism we introduce is the strangeness-exchange reactions between antikaons and hyperons.
Abbott   +65 more
core   +2 more sources

Review of nanomaterials-assisted ion exchange membranes for electromembrane desalination

open access: yesnpj Clean Water, 2018
In order to address the increasing demand for fresh water due to accelerated social and economic growth in the world, water treatment technologies, such as desalination, have been rapidly developed in attempts to safeguard water security. Electromembrane
A. Alabi   +5 more
semanticscholar   +1 more source

Membrane consisting of polyquaternary amine ion exchange polymer network interpenetrating the chains of thermoplastic matrix polymer [PDF]

open access: yes, 1978
An ion exchange membrane was formed from a solution containing dissolved matrix polymer and a set of monomers which are capable of reacting to form a polyquaternary ion exchange material; for example vinyl pyride and a dihalo hydrocarbon.
Rembaum, A., Wallace, C. J.
core   +1 more source

Fine structure of exciton excited levels in a quantum dot with a magnetic ion [PDF]

open access: yes, 2006
The fine structure of excited excitonic states in a quantum dot with an embedded magnetic ion is studied theoretically and experimentally. The developed theory takes into account the Coulomb interaction between charged carriers, the anisotropic long ...
E. L. Ivchenko   +7 more
core   +2 more sources

Social context prevents heat hormetic effects against mutagens during fish development

open access: yesFEBS Letters, EarlyView.
This study shows that sublethal heat stress protects fish embryos against ultraviolet radiation, a concept known as ‘hormesis’. However, chemical stress transmission between fish embryos negates this protective effect. By providing evidence for the mechanistic molecular basis of heat stress hormesis and interindividual stress communication, this study ...
Lauric Feugere   +5 more
wiley   +1 more source

Ion-Exchange Membranes and Processes

open access: yesMembranes, 2021
Synthetic ion exchange membranes (IEMs) are made from organic, inorganic, or mixed and composite materials [...]
Natalia Pismenskaya, Victor Nikonenko
doaj   +1 more source

Improved polyelectrolyte for ion exchange fibers [PDF]

open access: yes, 1975
Technique increases ion exchange capacity of hollow-fiber-substrate ion exchange resins.
Rembaum, A.
core   +1 more source

Surface enhancement of oxygen exchange and diffusion in the ionic conductor La2Mo2O9 [PDF]

open access: yes, 2010
Isotopic surface oxygen exchange and its subsequent diffusion have been measured using secondary ion mass spectrometry in the fast ionic conductor La2Mo2O9.
Chater, R. J.   +4 more
core   +1 more source

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