Results 121 to 130 of about 164,155 (331)

Degradation of Glyphosate to Benign N‐Formyl Glycine Using MOF‐808 Nanocrystals

open access: yesAngewandte Chemie, EarlyView.
A Zr‐based metal–organic framework (MOF‐808) with different crystal sizes and designed defect sites was employed as an efficient heterogeneous catalyst for the complete degradation of glyphosate at room temperature. The degradation mechanism produces N‐formyl glycine and hydroxymethyl‐phosphonate. Abstract Glyphosate (N‐phosphonomethyl glycine, GPh) is
Jhair A. Peña Prada   +6 more
wiley   +2 more sources

An interhemispheric comparison of GPS phase scintillation with auroral emission observed at the South Pole and from the DMSP satellite

open access: yesAnnals of Geophysics, 2013
The global positioning system (GPS) phase scintillation caused by high-latitude ionospheric irregularities during an intense high-speed stream (HSS) of the solar wind from April 29 to May 5, 2011, was observed using arrays of GPS ionospheric ...
Paul Prikryl   +19 more
doaj   +1 more source

Large-Area Scintillation Counters [PDF]

open access: bronze, 1950
R. Batchelor, J. W. Smith, L. BLACKMORE
openalex   +1 more source

Enhancing Cycle Life in Superoxide‐Based Na–O2 Batteries by Reducing Interface Reactivity

open access: yesAdvanced Energy Materials, EarlyView.
A new sodium–oxygen (Na–O2) battery is designed with highly active vanadium phosphide (VP) nanoparticles as a catalyst, an ether/ionic liquid‐based electrolyte, and an effective sodium bromide (NaBr) anode protection layer. This designed Na–O2 cell that produces NaO2 is able to reduce the interfacial reactivity between cell materials and the product to
Adel Azaribeni   +14 more
wiley   +1 more source

The irradiance fluctuations signal in atmospheric optical of systems transmit of informations

open access: yesФизика волновых процессов и радиотехнические системы, 2016
The turbulent atmosphere causes irradiance fluctuations for optical signals. Probability density function modeles to consider. Jnfluence of irradiance fluctuations of light background take iuto consideration.
E.R. Milyutin
doaj  

Decoupling Membrane Electrode Assembly Materials Complexity from Fuel Cell Performance through Image‐Based Multiphase and Multiphysics Modelling

open access: yesAdvanced Energy Materials, EarlyView.
A high‐resolution image‐based multiphase and multi‐physics modelling framework is developed to decouple structural changes in the membrane electrode assemblies of high‐temperature proton exchange membrane fuel cells. These changes are then digitally combined to show how morphological defects such as membrane pores, catalyst cracks, and phase migration ...
Jianuo Chen   +13 more
wiley   +1 more source

Concurrent Operando Neutron Imaging and Diffraction Analysis Revealing Spatial Lithiation Phase Evolution in an Ultra‐Thick Graphite Electrode

open access: yesAdvanced Energy Materials, EarlyView.
The lithiation phases in an ultra‐thick graphite electrode are mapped operando as a function of electrode depth through a new method concurrently combining neutron imaging and diffraction. The results reveal the coexistence of lithiation phases during cycling as well as the solid electrolyte interface (SEI) formation and capacity loss through non ...
Markus Strobl   +12 more
wiley   +1 more source

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