Results 91 to 100 of about 57,098 (297)

Risk Factors Involved in Cheerleading Injuries [PDF]

open access: yes, 2016
Injury prevention is an important aspect of health in which professionals in the field must focus. With a continual increase of risk in activities performed nationwide, health professionals must seek to educate the population on risk factors involved in ...
DeFreece, Kelsey
core   +2 more sources

In‐situ asphaltene capture with iron oxide nanoparticles in steam‐assisted gravity drainage (SAGD) for improved recovery and partial upgrading of bitumen

open access: yesThe Canadian Journal of Chemical Engineering, EarlyView.
Key improvements obtained by incorporating nanoparticles into a lab‐scale SAGD process configuration. The bar plots show enhanced oil recovery, reduced viscosity, and increased asphaltene adsorption in nanoparticle‐assisted scenarios compared with conventional SAGD.
Luis Prada   +6 more
wiley   +1 more source

Metalloporphyrin‐Based Cathode for Rechargeable Magnesium‐Ion Batteries: Copper Leaching and Interphase Formation

open access: yesChemSusChem, EarlyView.
The initial cycling of [5,15‐bis(ethynyl)‐10,20‐diphenylporphinato]copper(II) electrodes in rechargeable Mg‐ion batteries is studied using electrochemical, spectroscopic, microscopic, and spectrometric methods such as total reflection X‐ray fluorescence spectrometry and time‐of‐flight secondary ion mass spectrometry .
Tom Philipp   +13 more
wiley   +1 more source

Submicron plasticity: yield stress, dislocation avalanches, and velocity distribution

open access: yes, 2010
The existence of a well defined yield stress, where a macroscopic piece of crystal begins to plastically flow, has been one of the basic observations of materials science.
B. Gutenberg   +5 more
core   +1 more source

Ultra‐Fast and Economical Pre‐Breakdown Electrochemical Synthesis of Intrinsically Conductive Polymer Suspension for Production of Safe Lithium‐Ion Batteries

open access: yesENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
This paper presents a breakthrough pre‐breakdown electrochemical method for synthesizing polyNiMeOSalen suspensions, achieving an 83% yield and nanoscale dispersion ($1500/kg) and environmental impact (1.42 kg CO2eq/kg). We report a novel pre‐breakdown electrochemical synthesis method for producing polyNiMeOSalen suspensions with exceptional ...
Evgenii Beletskii   +6 more
wiley   +1 more source

Intra-articular lidocaine versus intravenous sedative and analgesic for reduction of anterior shoulder dislocation

open access: yesTurkish Journal of Emergency Medicine, 2016
Objective: This prospective clinical trial was performed to compare the safety and efficiency of intra-articular lidocaine (IAL) versus intravenous sedative and analgesic (IVSA) in reduction of anterior shoulder dislocation.
Parvin Kashani   +4 more
doaj   +1 more source

Evaluation of functional outcome and patient satisfaction after arthroscopic elbow arthrolysis [PDF]

open access: yes, 2008
Arthroscopic arthrolysis is indicated for stiffness and pain caused by intrinsic stiffness and early arthritis of the elbow joint. Previous studies have demonstrated the benefits in relieving pain and improving motion, but none have reported the ...
Funk, L, Somanchi, BV
core  

Dynamic Covalent Chemistry Enables Self‐Healing and Compatibilization in Polypropylene Composites

open access: yesENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
A high‐performance polypropylene insulation material is created through dynamic covalent crosslinking. It achieves exceptional dielectric properties, autonomous self‐healing, and easy recycling, offering a sustainable solution for future HVDC transmission systems.
Hongzhe Zhang   +3 more
wiley   +1 more source

Complete brachial plexus palsy following shoulder dislocation due to sneeze: a case report

open access: yesInternational Journal of Emergency Medicine, 2019
Background Traumatic shoulder dislocation is a frequent condition presenting to the emergency department. Due to the anatomy of the shoulder, associated neurovascular damage is not uncommon.
Austin H. Middleton   +2 more
doaj   +1 more source

Stress Redistribution Mechanisms and Subsidence Control of Fluidized Gangue Backfilling in Underground Coal Mining: Integrated Experimental and Numerical Investigation

open access: yesEnergy Science &Engineering, EarlyView.
Fluidized gangue backfilling controls mining subsidence through stress redistribution in composite backfill‐pillar systems, reducing surface settlement and stress concentrations. Multi‐scale experimental and numerical analysis provides quantitative design parameters for optimizing ground control in sustainable underground coal mining operations ...
Weilong Zhang   +11 more
wiley   +1 more source

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