Results 131 to 140 of about 11,520 (296)

Exocrine Gland Dysfunction in Parkinson's Disease: Pathophysiology, Clinical Manifestations, and Therapeutic Perspectives—A Narrative Review

open access: yesMovement Disorders Clinical Practice, EarlyView.
Abstract Background Non‐motor symptoms, especially autonomic dysfunction, are major contributors to disability and decreased quality of life in Parkinson's disease (PD). Despite being common and having a wide range of clinical facets, exocrine gland dysfunction is still not well recognized and managed.
Renato P. Munhoz   +2 more
wiley   +1 more source

Characterization of Fuel Rods Supported by Dimple‐Less Spacer Grids and Subjected to Nonlinear Vibrations

open access: yesInternational Journal of Mechanical System Dynamics, EarlyView.
ABSTRACT An experimental campaign was undertaken to demonstrate the applicability of the Bouc–Wen hysteretic model to describe the hysteretic system of the recent Framatome dimple‐less spacer grid design for Pressurized Water Reactors. The experimental setup subjected a reduced‐length fuel rod, supported at both ends by dimple‐less grids, to forced ...
Giovanni Ferrari   +3 more
wiley   +1 more source

Dynamic sealing principles [PDF]

open access: yes
The fundamental principles governing dynamic sealing operation are discussed. Different seals are described in terms of these principles. Despite the large variety of detailed construction, there appear to be some basic principles, or combinations of ...
Zuk, J.
core   +1 more source

Procedural‐Based Contemporary Management of Bell's Palsy Long‐Term Sequelae: A Narrative Review

open access: yesOtolaryngology–Head and Neck Surgery, EarlyView.
Abstract Objective To describe the long‐term sequelae of Bell's palsy and summarize available treatment options, including recent advances, so that general otolaryngologists and other practitioners are aware of the clinical findings and available interventions. Data Sources PubMed.
Robert M. Frederick   +3 more
wiley   +1 more source

Water stress: Opportunities for supply chain research

open access: yesProduction and Operations Management, EarlyView., 2023
Abstract Driven by climate change and overuse, water stress is a worsening sustainability concern that threatens businesses and communities across the globe. Leading global organizations such as the United Nations have expressed an urgent need for sustainable water management strategies across nations and economies.
Dustin Cole   +4 more
wiley   +1 more source

Steady state and dynamic properties of journal bearings in laminar and superlaminar flow regimes. II - Full floating ring bearings [PDF]

open access: yes
Steady state and dynamic properties of journal bearings in laminar and superlaminar flow ...
Ng, C. W., Orcutt, F. K.
core   +1 more source

Evaluation of Mechanical, Thermal, Rheological, and Biocompatibility Properties of Additively Manufactured Metal‐Reinforced Biocomposites Optimized by Reinforcement Ratios and Printing Parameters

open access: yesPolymer Composites, EarlyView.
Schematic illustration of PLA/316L stainless steel composite filament production via fused deposition modeling, demonstrating the trade‐off between stainless steel content, mechanical enhancement, and biocompatibility. ABSTRACT Polylactic acid (PLA) is a biodegradable thermoplastic widely used in biomedical devices; however, its inherent brittleness ...
İbrahim Baki Sahin   +5 more
wiley   +1 more source

Numerical, analytical, experimental study of fluid dynamic forces in seals [PDF]

open access: yes
NASA/Lewis Research Center is sponsoring a program for providing computer codes for analyzing and designing turbomachinery seals for future aerospace and engine systems.
Aggarwal, Bharat   +5 more
core   +1 more source

Enhancing the Properties of PA6 and PA6/Ionomer Scraps Blend With CaCO3 Nanoparticles: Rheological, Mechanical, Thermal, and Morphological Evaluation

open access: yesPolymer Engineering &Science, EarlyView.
ABSTRACT This study investigated the effects of incorporating ionomer scraps and CaCO3 nanoparticles on the rheological, mechanical, thermal, and morphological properties of neat polyamide 6 (PA6) and a PA6/ionomer scraps (80/20) blend. The ionomer formed an immiscible dispersed phase within the PA6, acting as an impact modifier; however, it reduced ...
Roberto Alves Taveira Jr.   +2 more
wiley   +1 more source

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