Results 201 to 210 of about 18,526 (302)

BLOOSTAR, The Enabler for More Efficient Satellites in Low Earth Orbit [PDF]

, 2018
José Mariano López Urdiales, Izan Peris Martí, Guillaume Girard   +2 more
openalex   +1 more source

Self‐supportive Three‐Way Photoelectrochemical System Achieving Uranium Recycling, Organic Oxidation, and Electricity Generation in Complex Waters

Advanced Functional Materials, EarlyView.
A self‐sustaining solar photoelectrochemical cell (SS‐PEC) is developed to recover uranium from aqueous UO22+ with concurrent organic oxidation and electricity production. The monolithical photoanode directly captures electrons from organic compounds, leading to the oxidation of organic compounds and the decomposition of uranium‐organic complexes ...
Yumei Wang, Qingming Zeng, Haodong Ji, Rongzhong Wang, Jiachen Wang, Yanjun Wen, Wonyong Choi, Qingyi Zeng   +7 more
wiley   +1 more source

A Ku-Band Compact Offset Cylindrical Reflector Antenna with High Gain for Low-Earth Orbit Sensing Applications. [PDF]

Sensors (Basel)
Esmail BAF, Isleifson D, Shafai L.
europepmc   +1 more source

Engineering Porous Hollow Metal‐Poly(Heptazine Imide) Spheres: An Optimized Synthetic Strategy for Controlling Surface, Morphology, and Properties

Advanced Functional Materials, EarlyView.
Hollow poly(heptazine imide) spheres are prepared through a novel approach that integrates hard templating with ionothermal synthesis. This method enables precise control over surface area, pore volume, hydrophilicity, light absorption, band position, and metal composition. These tunable properties facilitate the customized design of semiconductors for
Lingli Ni, Erik Troschke, Henrik Vorwerk, Shiva Shahbazi Avarvand, Andreas Stihl, Nadzeya Brezhneva, Marius Hermesdorf, Desirée Leistenschneider, Felix H. Schacher, Jacob Schneidewind, Martin Oschatz   +10 more
wiley   +1 more source

Perspectives on the physics of late-type stars from beyond low earth orbit, the moon and mars. [PDF]

NPJ Microgravity
Mathur S, Santos ÂRG.
europepmc   +1 more source

Enhancing Direct Solar Water Splitting via ALD of Multifunctional TiO2/Pt Nanoparticle Coatings With Engineered Interfaces to GaAs/GaInP Tandem Cells

Advanced Functional Materials, EarlyView.
Multifunctional atomic layer deposited coatings and interface treatments enhance direct solar water splitting on GaAs/GaInP tandem cells. Optimized TiO2/Pt nanoparticle bilayers ensure durability and catalytic efficiency with minimal optical losses, while H2 plasma pretreatments maximize photovoltage and interfacial charge extraction.
Tim F. Rieth, Verena Streibel, Oliver Bienek, Sergej Levashov, Johannes Dittloff, Kristof Möller, Johanna Eichhorn, Matthias M. May, Ian D. Sharp   +8 more
wiley   +1 more source

Orbital Reef and commercial low Earth orbit destinations-upcoming space research opportunities. [PDF]

NPJ Microgravity
Zea L, Warren L, Ruttley T, Mosher T, Kelsey L, Wagner E.   +5 more
europepmc   +1 more source

The effects of microgravity and space radiation on cardiovascular health: From low-Earth orbit and beyond. [PDF]

Int J Cardiol Heart Vasc, 2020
Patel S.
europepmc   +1 more source

System Requirements for Low-Earth-Orbit Launch Using Laser Propulsion

, 1991
R. J. Lawrence, Jordin T. Kare, Raymond M. Zazworsky, David K. Monroe   +3 more
openalex   +2 more sources

Fuel-optimal low-earth-orbit maintenance

, 1998
First-order solutions indicate that a forced Keplerian trajectory (FKT) obtained by thrust-drag cancellation is as fuel-efficient as a Hohmann transfer. Further analysis has shown that the FKT is not Mayer-optimal. Therefore there must exist another trajectory that matches or exceeds the efficiency of the Hohmann transfer.
openaire   +1 more source