Results 91 to 100 of about 504,975 (272)
Frontiers in Global Women's HealthBackgroundAnemia is a severe public health problem affecting 54% of pregnant women in SSA Yet, only a limited number of studies have provided a partial assessment of the pooled prevalence and related determinants of the severity levels of anemia in ...
Lire Lemma Tirore +4 more
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Frontiers in Psychology, 2017 Background: Prospective longitudinal studies are essential in characterizing cognitive trajectories, yet few of them have been reported on the development of attention processes in children.
Elisabet Suades-González +34 more
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A glossary for multilevel analysis [PDF]
Journal of Epidemiology and Community Health, 2002 Multilevel analysis has recently emerged as a useful analytical technique in several fields, including public health and epidemiology. This glossary defines key concepts and terms used in multilevel analysis.
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Advanced Optical Materials, EarlyView.Solution‐processed MoS2 films with intrinsic sulfur‐vacancy traps are used to integrate light sensing and memory in a simple two‐terminal pixel. Successive optical pulses program persistent, multilevel conductance states, while oxygen exposure enables rapid erasure.
Jihyun Kim +8 more
wiley +1 more source
Politikon, 2018 This study examines the relationship between generalized trust and the rule of law on a national level. Previous research has often neglected this issue, instead focusing on related issues of property rights, economic freedom and corruption.
Frederik Gremler
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Energy Consumption Optimization in Trajectory Planning for Fuel Cell Hybrid Uavs Based On HMPC
Advanced Robotics Research, EarlyView.The endurance limitation of multirotor drones is a critical challenge. This study adopts a hybrid power system of fuel cells and lithium‐ion batteries. Using Nondominated Sorting Genetic Algorithm II, it integrates trajectory planning with energy management optimization.
Xindi Wang +7 more
wiley +1 more source
Multilevel analysis of matching behavior [PDF]
Journal of the Experimental Analysis of Behavior, 2019 Multilevel modeling has been considered a promising statistical tool in the field of the experimental analysis of behavior and may serve as a convenient statistical analysis for matching behavior because it structures data in groups (or levels) to account simultaneously for the within‐subject and between‐subject variances.
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Advanced Robotics Research, EarlyView.Micro‐ and nanorobots for targeted thrombolysis. This perspective elaborates on the clinical indication of blood clot disorders and current limitations for treatment. As a novel, alternative solution, micro‐ and nanorobots can be used to treat and break down thrombi.
Joshua M. Mesfin +3 more
wiley +1 more source
, 1997 Prevention of a quantum system's time evolution by repetitive, frequent measurements of the system's state has been called the quantum Zeno effect (or paradox).
Gontis, V., Kaulakys, B.
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Promoting Treg Polarization‐Mediated Anti‐Scar and Appendage Regeneration in Wound Healing
Advanced Science, EarlyView.This study develops a PLGA@LA‐BMP4‐PG bilayer scaffold to address scar formation and appendage loss in skin repair. The piezoelectric PLA layer enhances cell migration via electric fields, while GelMA delivers LA promoting Tregs polarization and BMP4 inhibiting FBs differentiation.
Yiwen Yang +10 more
wiley +1 more source