Results 111 to 120 of about 16,124 (251)
Knee Surgery, Sports Traumatology, Arthroscopy, EarlyView.Abstract Purpose This review specifically evaluates whether the presence of cartilage lesions, or their surgical treatment, modifies the clinical benefit of medial patellofemoral ligament (MPFL) reconstruction. Methods A systematic review was conducted following PRISMA (Preferred Reporting Items for Systematic Reviews and Meta‐Analyses) guidelines ...
Dave Osinachukwu Duru +7 more
wiley +1 more source
Analysis of Radar Cross Section Reduction of Fighter Aircraft by Means of Computer Simulation
Journal of Aerospace Technology and Management, 2014 This paper presents a preliminary study of the Radar Cross Section (RCS) reduction on the fighter aircraft. First, it was studied the RCS of the aircraft from computational simulations based on prior knowledge of vulnerable areas of this aircraft to ...
Luan Silva Carvalho dos Santos +2 more
doaj
High‐strength composites by thiocracking of high‐polypropylene‐content mixed waste
Polymer International, EarlyView.Mixed plastic waste made up of polystyrene and polypropylene was reacted with elemental sulfur to give high‐strength composites. Abstract Mixed‐material municipal waste poses a persistent end‐of‐life management challenge because the heterogeneous composition limits efficient separation and recycling. After disposal, mixed‐material waste often fragments
Athira Babu, Rhett C. Smith
wiley +1 more source
Purification and Properties of Polyvinyl Nitrate and Its Compatibility With Solid Oxidizers
Propellants, Explosives, Pyrotechnics, EarlyView.ABSTRACT Polyvinyl nitrate (PVN) is a nitrate‐ester energetic binder that can be produced directly from polyvinyl alcohol—a cheap commodity feedstock—thereby offering potential cost and supply‐chain advantages over binders based on nitrocellulose and other specialty polymers.
Stephen Spice +3 more
wiley +1 more source
Urban Housing Markets and Sustainability Risk: Empirical Evidence From South African Cities
Sustainable Development, EarlyView.ABSTRACT Despite the global shift toward sustainability and rising expectations for socially and environmentally responsible housing, evidence from South Africa's urban markets remains limited and underexplored. This study examines how sustainability‐related vulnerabilities shape downside housing risk across 60 cities between 2002 and 2021.
Bereket A. Ataro +2 more
wiley +1 more source
Ultra-Wideband RCS Reduction Based on Non-Planar Coding Diffusive Metasurface. [PDF]
Materials (Basel), 2020 Wu G, Yu W, Lin T, Deng Y, Liu J.
europepmc +1 more source
Sleep Research, EarlyView.Abstract Background The red blood cell distribution width‐to‐albumin ratio (RAR) is a novel composite biomarker of inflammation and nutritional status, yet its association with insomnia and underlying mechanisms remain poorly understood. Objective To investigate the association between the RAR and insomnia in two independent cohorts, comprising a ...
Jingying Ma +7 more
wiley +1 more source
Impacts of Change‐Type and State‐Type System Qualities on Complex System Architectures
Systems Engineering, EarlyView.ABSTRACT System qualities, such as scalability, expandability, and reconfigurability, are key requirements of complex systems. Requirements associated with system qualities are important factors in design trade space analyses, but systems engineering design methodologies make only limited use of these qualities, hindering a holistic understanding of ...
Christina F. Bridges +1 more
wiley +1 more source
Comorbidity Patterns Between Hearing Loss and Symptomatic Dizziness in Middle‐Aged and Older Adults
World Journal of Otorhinolaryngology - Head and Neck Surgery, EarlyView.ABSTRACT Objective To explore the comorbidity patterns between hearing loss and symptomatic dizziness (HL‐SD) in middle‐aged and older adults. Methods This cross‐sectional study used data from the 1999 to 2004 National Health and Nutrition Examination Survey (NHANES). After excluding incomplete data, 2961 participants aged 40–69 were analyzed. Logistic
Chun‐Yan Liu +6 more
wiley +1 more source
A metasurface composed of 3-bit coding linear polarization conversion elements and its application to RCS reduction of patch antenna. [PDF]
Sci Rep, 2020 Kong X +7 more
europepmc +1 more source