Results 21 to 30 of about 2,212,367 (331)

Evolution of porous materials from ancient remedies to modern frameworks

open access: yesCommunications Chemistry, 2021
Porous materials play a significant role in modern chemistry and materials science; despite recent scientific interest, they have a history dating back to antiquity.
Gregory S. Day   +3 more
doaj   +1 more source

Melting and Re-Freezing Leads to Irreversible Changes in the Morphology and Molecular-Level Dynamics of Pfizer-BioNTech COVID-19 Vaccine

open access: yesMedicina, 2021
Background and Objectives: As an mRNA-based vaccine, the Pfizer-BioNTech COVID-19 vaccine has stringent cold storage requirements to preserve functionality of the mRNA active ingredient.
Eugene Mamontov   +3 more
doaj   +1 more source

Heat-kernel approach for scattering [PDF]

open access: yes, 2015
An approach for solving scattering problems, based on two quantum field theory methods, the heat kernel method and the scattering spectral method, is constructed.
Dai, Wu-Sheng, Li, Wen-Du
core   +2 more sources

Advancing neutron diffraction for accurate structural measurement of light elements at megabar pressures

open access: yesScientific Reports, 2023
Over the last 60 years, the diamond anvil cell (DAC) has emerged as the tool of choice in high pressure science because materials can be studied at megabar pressures using X-ray and spectroscopic probes.
Bianca Haberl   +2 more
doaj   +1 more source

Dispersion Theory of Surface Plasmon Polaritons on Bilayer Graphene Metasurfaces

open access: yesNanomaterials, 2022
Surface plasmon polaritons (SPPs) on the graphene metasurfaces (GSPs) are crucial to develop a series of novel functional devices that can merge the well-established plasmonics and novel nanomaterials.
Yong-Qiang Liu   +4 more
doaj   +1 more source

Inherent Relations among the Three Representations of Radar Target Angular Glint (in English)

open access: yesLeida xuebao, 2014
Based on ElectroMagnetic (EM) theory and the monopulse radar angle measurement principle, the formulae of angular glint for complex target are proposed and generally applied to tackling practical problems.
Yin Hong-cheng   +2 more
doaj   +1 more source

Asymmetric propagation of spoof surface plasmons along doubly corrugated metal surfaces

open access: yesAIP Advances, 2020
Spoof surface plasmons (SSPs) on the doubly corrugated metal surfaces can find a variety of applications, such as waveguides, filters, sensors, communications, and other high-performance active devices in terahertz (THz) and microwave bands.
Yong-Qiang Liu   +3 more
doaj   +1 more source

Geant4 simulations of soft proton scattering in X-ray optics. A tentative validation using laboratory measurements [PDF]

open access: yes, 2017
Low energy protons (< 300 keV) can enter the field of view of X-ray space telescopes, scatter at small incident angles, and deposit energy on the detector, causing intense background flares at the focal plane or in the most extreme cases, damaging the X ...
Alfonso Mantero   +9 more
core   +2 more sources

Hadronization and final state interaction effects in semi-exclusive Deep Inelastic Scattering off nuclei

open access: yes, 2003
Recent calculations of the effects of hadronization and final state interaction (FSI) in semi-exclusive deep-inelastic scattering (DIS) $A(e,e'(A-1))X$ processes are reviewed.
Atti   +11 more
core   +1 more source

Partial wave analysis of the Dirac fermions scattered from Schwarzschild black holes [PDF]

open access: yes, 2015
Asymptotic analytic solutions of the Dirac equation, giving the scattering modes (of the continuous energy spectrum, $E>mc^2$) in Schwarzschild's chart and Cartesian gauge, are used for building the partial wave analysis of Dirac fermions scattered by ...
Cotaescu, Ion I.   +2 more
core   +2 more sources

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