Results 1 to 10 of about 1,856,399 (168)

Fund manager characteristics and performance [PDF]

open access: yesInvestment Analysts Journal, 2015
This study establishes a multitier framework to evaluate how fund manager characteristics systematically affect mutual fund performance. The framework includes three tiers of performance elements: comprehensive performance; return and risk; and timing skill and picking ability.
Yi Fang
exaly   +3 more sources

A membrane filtration method for the enumeration of Escherichia coli in bathing water and other waters with high levels of background bacteria

open access: yesJournal of Water and Health, 2023
The presence and level of faecal indicator bacteria are important factors in estimating the microbiological quality of surface water and the risk of human infection upon exposure to this water.
Merel A. Kemper   +3 more
doaj   +1 more source

Science and Hurling: A Review

open access: yesSports, 2022
Hurling is one of the world’s fastest field sports. Since the last review of science and Gaelic sports in 2008, there has been an increase in sports science provisions across elite and sub-elite cohorts, resulting in increased hurling-specific literature
Kieran Collins   +4 more
doaj   +1 more source

Estimation of far-side bus stops reliability [PDF]

open access: yesE3S Web of Conferences, 2023
Currently, the design of bus stops is an urgent task of both public network design and urban planning. In recent decades, the main passenger volumes in cities of the Russian Federation are served by bus routes.
Bigirimana Innocent   +2 more
doaj   +1 more source

Intensity of Damage in the Aging Process of Buildings [PDF]

open access: yesArchives of Civil Engineering, 2020
Predicting the aging process of residential buildings carried out using traditional technologies is necessary when planning refurbishment works in these buildings.
Beata Nowogońska
doaj   +1 more source

COMPARATIVE ANALYSIS OF ELECTRIC MACHINES CHARACTERISTICS WITH PERMANENT MAGNETS FOR ELECTRIC VEHICLES AND WIND TURBINES

open access: yesТехнічна електродинаміка, 2022
The results of a numerical and experimental study of an electric machine with cylindrical permanent magnets are presented. It is shown that if a squirrel-cage rotor in a standard induction motor is replaced by a rotor with permanent magnets, then a ...
В.В. Гребеніков   +3 more
doaj   +1 more source

Investigation on the Performance Characteristics of 2-Stroke Heavy Fuel Light Aeroengine (2SHFLA) with Different Fuel Injection Systems: Modeling and Comparative Simulation

open access: yesEnergies, 2020
Extensive application of small and medium-sized unmanned aerial vehicles (UAVs) have already made the development of corresponding power system a research hotspot nowadays. Two-stroke heavy fuel light aeroengine (2SHFLA) is selected as the research focus
Yuan Qiao   +3 more
doaj   +1 more source

PERFORMANCE AND EMISSIONS CHARACTERISTICS OF A DIESEL ENGINE FUELED BY CARBON NANOPARTICLE-BLENDED DIESEL AND BIODIESEL [PDF]

open access: yesTransport Problems, 2023
Carbon-based nanomaterials have excellent properties and can be used in fuels to reduce emissions and improve engine performance and fuel economy. Due to their unique thermal conductivity properties, nanoparticles are widely used in various ways.
Stasys SLAVINSKAS, Vida JOKUBYNIENĖ
doaj   +1 more source

Review of dielectric elastomers for actuators, generators and sensors

open access: yesIET Nanodielectrics, 2020
Electroactive polymer (EAP) is a kind of smart material, which can change its shape under the stimulation of electric field. Dielectric elastomer (DE) is an important member of the EAP.
Yu Zhao   +4 more
doaj   +1 more source

Epidemiologic, clinical, and serum markers may improve discrimination between bacterial and viral etiologies of childhood pneumonia

open access: yesFrontiers in Medicine, 2023
BackgroundDiscrimination of bacterial and viral etiologies of childhood community-acquired pneumonia (CAP) is often challenging. Unnecessary antibiotic administration exposes patients to undue risks and may engender antimicrobial resistance.
Helmia Farida   +23 more
doaj   +1 more source

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