Results 61 to 70 of about 1,718,290 (313)

New Onset of Fibromyalgia After Exposure to a Combat Environment: A Longitudinal Cohort Study

open access: yesArthritis Care &Research, EarlyView.
Objective Traumatic life events are hypothesized to be triggers for the onset of fibromyalgia. Posttraumatic stress disorder (PTSD) is a common comorbidity of fibromyalgia. However, limited prospective data are available on the development of fibromyalgia after exposure to high‐magnitude stress.
Jay B. Higgs   +15 more
wiley   +1 more source

Scalability and Evolutionary Dynamics of Air Transportation Networks in the United States [PDF]

open access: yes, 2007
With the growing demand for air transportation and the limited ability to increase capacity at key points in the air transportation system, there are concerns that, in the future, the system will not scale to meet demand.
Bonnefoy, Philippe, Hansman, R. John
core   +1 more source

Systematic cycle life assessment of a secondary zinc–air battery as a function of the alkaline electrolyte composition [PDF]

open access: yes, 2018
Development of secondary zinc-air batteries goes through a proper specification of the electrolyte formulation adapted to extend the cycle life of the battery.
Adler   +37 more
core   +2 more sources

β‐Catenin/c‐Myc Axis Modulates Autophagy Response to Different Ammonia Concentrations

open access: yesAdvanced Biology, Volume 9, Issue 3, March 2025.
Ammonia, detoxified by the liver into urea and glutamine, impacts autophagy differently at varying levels. Low ammonia activates autophagy via c‐Myc and β‐catenin, while high levels suppress it. Using Huh7 cells and Spf‐ash mice, c‐Myc's role in cytoprotective autophagy is revealed, offering insights into hyperammonemia and potential therapeutic ...
S. Sergio   +11 more
wiley   +1 more source

Wind Tunnel Experiment and Numerical Simulation of Secondary Flow Systems on a Supersonic Wing

open access: yesAerospace
Aircraft secondary flow systems are small-flow circulation devices that are used for thermal and cold management, flow control, and energy generation on aircraft. The aerodynamic characteristics of main-flow-based inlets have been widely studied, but the
Sheng Zhang   +6 more
doaj   +1 more source

Optimization of the secondary electron yield of laser-structured copper surfaces at room and cryogenic temperature [PDF]

open access: yes, 2020
Electron cloud (e-cloud) mitigation is an essential requirement for proton circular accelerators in order to guarantee beam stability at a high intensity and limit the heat load on cryogenic sections.
Abdolvand, Amin   +9 more
core   +2 more sources

Adaptable Tile‐Based Pneumatic Origami through Structurally Coupled Localized Actuation

open access: yesAdvanced Engineering Materials, EarlyView.
This article presents tile‐based pneumatic origami structures with rigid tiles and flexible fabric creases, achieving adaptable properties including morphing shape, selective multistability, and tunable stiffness. Independently pressurized folding bladders at each crease enable structurally coupled localized actuation of origami structures.
Tiantian Li, Jonathan Luntz, Diann Brei
wiley   +1 more source

Development of a measuring system for determining the air density correction factor for ionization chambers open to the atmosphere [PDF]

open access: yesNuclear Technology and Radiation Protection
This paper introduces a measuring system designed to determine the air density correction factor for ionization chambers open to the atmosphere. The system is intended for use in clinical and radiotherapy facilities, secondary standard dosimetry
Đaletić Miloš V.
doaj   +1 more source

A Combined Organic Rankine Cycle-Heat Pump System for Domestic Hot Water Application [PDF]

open access: yes, 2016
This paper investigates a novel system to improve the efficiency of using natural gas for domestic heating. The exhaust from a gas burner powers a small-scale Organic Rankine Cycle (ORC) system using hexane as the working fluid, which is used to directly
Al-Tameemi, Mohammed   +2 more
core   +1 more source

Trace Nickel Activated Biphasic Core‐CuOii/Shell‐CuOi Secondary Microspheres Enable Room Temperature Parts‐Per‐Trillion‐Level NO2 Detection

open access: yesAdvanced Engineering Materials, EarlyView.
An idea of designing novel sensors is proposed by creating appropriate Schottky barriers and vacancies between isomorphous Core‐CuOii/ Shell‐CuOi secondary microspheres and enhancing catalytic and spill‐over effects, and electronegativity via spontaneous biphasic separation, self‐assembly, and trace‐Ni‐doping.
Bala Ismail Adamu   +8 more
wiley   +1 more source

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