Results 71 to 80 of about 42,010 (198)
Journal of Prosthodontics, EarlyView.Abstract Purpose This study aimed to compare the effects of surface treatment protocols on the surface roughness and shear bond strength (SBS) of a three‐dimensional (3D)‐printable resin for definitive crowns. Materials and Methods A 3D‐printable resin for definitive crowns (Saremco Print Crowntec) was used to produce 168 specimens (10 × 10 × 2 mm3 ...
Engin Sacu +5 more
wiley +1 more source
Science and Technology of Nuclear InstallationsThis paper studies the influence of bias voltage on pulse waveform, energy resolution, and particle discrimination performance to optimize the performance of n/γ pulse shape discrimination (PSD) for plastic scintillator coupled with SiPM arrays ...
Mengmeng Wang +7 more
doaj +1 more source
A backup orientation system based on inverse problems technique
Computer Assisted Methods in Engineering and Science, 2019 The correct orientation of the spacecraft during a space flight is one of the main tasks of astronautics, because its orientation affects the correct operation of all subsystems, in particular power supply systems, where the orientation of solar panels ...
Aleksey V. Nenarokomov +4 more
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Analysis of Thrust Vectoring Control for Aerospike Nozzle
International Journal of Aerospace EngineeringThe aerospike nozzle highlights significant potential in vertical recovery rocket applications, where thrust vector control technology serves as a key enabling element of this advancement.
Runze Liu +6 more
doaj +1 more source
ENERGY &ENVIRONMENTAL MATERIALS, Volume 9, Issue 5, September 2026.A first‐of‐its‐kind review benchmarks three solar methane valorization pathways with unified performance metrics for clean fuel production. Meeting global climate targets and sustainable energy demands requires carbon‐neutral fuels and innovative conversion pathways.
Muhammad Abdulmoez +3 more
wiley +1 more source
Numerical Study on the Self-Pulsation Characteristics of LOX/GH2 Swirl Coaxial Injector
International Journal of Aerospace EngineeringTo investigate the self-pulsation characteristics of a liquid-centered swirl coaxial injector with liquid oxygen (LOX) and gas hydrogen (GH2) as the working mediums under supercritical condition, a numerical simulation was employed.
Wentong Qiao +7 more
doaj +1 more source
Radiation‐Free In‐Gap Finite Barrier Bound States in a Lithium Niobate‐Based Honeycomb Lattice
Nanophotonics, Volume 15, Issue 15, 13 August 2026.This work demonstrates radiation‐free finite barrier bound states (FBBSs), successfully overcoming the high propagation loss challenge inherent in conventional FBBS designs while enabling flexible electro‐optic tunability. These findings establish a versatile platform for on‐chip integrated, high‐modulation‐efficiency electro‐optic modulators and ...
Yiru Du +8 more
wiley +1 more source
The Meanings of the PRC`s Space Program: “Space Dream of the Chinese People” Between Past and Future
Социология властиThe current article is a result of the first stage in studying the ways that heterogeneous symbolic resources are configured under the name of “Space Dream of the Chinese Nation”, a rhetorical figure employed by Xi Jinping as a part of the new national ...
P. A. Bogomolov
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Nanophotonics, Volume 15, Issue 13, 13 July 2026.Numerical modeling of mesoscopic material response models that capture the quantum dynamics of electrons does not have to come with discouraging computational bottlenecks. The main message is that through a shift in perspective in modeling toward integral equation methods and exploiting symmetry‐based arguments, it is possible to capture complicated ...
Christos Mystilidis +4 more
wiley +1 more source
International Journal of Aerospace EngineeringSmall satellites represent a pivotal advancement in space technology, offering versatile platforms for conducting educational missions with reduced costs. Initiated by the Asia-Pacific Space Cooperation Organization (APSCO), the Student Small Satellite-1
Bohan Liu +5 more
doaj +1 more source