Results 41 to 50 of about 394,352 (343)
An axiomatic system engineering design method based on NSGA-II algorithm applied to complex systems
Scientific ReportsThis study proposes an integrated framework that combines Axiomatic Design with Model-Based Systems Engineering, incorporating NSGA-II as an intelligent optimization engine. The framework constructs a multi-level traceability matrix linking requirements,
Xiaoqian Zhang +7 more
doaj +1 more source
STar-DETR: A Lightweight Real-Time Detection Transformer for Space Targets in Optical Sensor Systems
SensorsOptical sensor systems are essential for space target detection. However, previous studies have prioritized detection accuracy over model efficiency, limiting their deployment on resource-constrained sensors.
Yao Xiao +5 more
doaj +1 more source
Dynamic Simulation of Space Debris Cloud Capture Using the Tethered Net
Space: Science & Technology, 2021 Space debris, especially the space debris cloud, has threatened severely the safety of future space missions. In the framework of multibody system dynamics, a computational approach is proposed in this study to investigate the dynamics of net deployment ...
Qingtao Wang, Dongping Jin, Xiaoting Rui
doaj +1 more source
Dapagliflozin prevents methylglyoxal‐induced retinal cell death in ARPE‐19 cells
FEBS Open Bio, EarlyView.Diabetic macular oedema is a diabetes complication of the eye, which may lead to permanent blindness. ARPE‐19 are human retinal cells used to study retinal diseases and potential therapeutics. Methylglyoxal is a compound increased in uncontrolled diabetes due to elevated blood glucose.
Naina Trivedi +7 more
wiley +1 more source
A Survey for Massive Giant Planets in Debris Disks with Evacuated Inner Cavities [PDF]
, 2007 The commonality of collisionally replenished debris around main sequence stars suggests that minor bodies are frequent around Sun-like stars. Whether or not debris disks in general are accompanied by planets is yet unknown, but debris disks with large ...
A. Moro‐Martin +13 more
core +2 more sources
FEBS Open Bio, EarlyView.Time‐resolved X‐ray solution scattering captures how proteins change shape in real time under near‐native conditions. This article presents a practical workflow for light‐triggered TR‐XSS experiments, from data collection to structural refinement. Using a calcium‐transporting membrane protein as an example, the approach can be broadly applied to study ...
Fatemeh Sabzian‐Molaei +3 more
wiley +1 more source
SPACE DEBRIS, ANOTHER ENVIRONMENTAL ISSUE [PDF]
Challenges of the Knowledge Society, 2022 Space debris is defunct artificial objects in space which no longer serve a useful function (nonfunctional spacecraft and abandoned launch vehicle stages, mission-related debris, and particularly numerous in Earth orbit, fragmentation debris from the ...
Ioana PĂDURARIU
doaj
A Thermal-Solar System for De-Orbiting of Space Debris [PDF]
INCAS Bulletin, 2018 This paper presents a system for removal of space debris, which can be placed on geocentric, heliocentric or Sun-synchronous orbit. The system is composed of two parabolic mirrors, a large one and a small one.
Constantin SANDU +5 more
doaj +1 more source
Annals of Clinical and Translational Neurology, EarlyView.ABSTRACT Objective Glioma recurrence severely impacts patient prognosis, with current treatments showing limited efficacy. Traditional methods struggle to analyze recurrence mechanisms due to challenges in assessing tumor heterogeneity, spatial dynamics, and gene networks.
Lei Qiu +10 more
wiley +1 more source
Space Debris: Optical Measurements [PDF]
, 2020 Space debris is a major threat to the satellite infrastructure. A collision with even small particle, e.g. 1 cm of size, can cause a catastrophic event when the parent body, spacecraft or upper stage, will break up into hundreds of trackable fragments.
openaire +2 more sources