Results 1 to 10 of about 3,925,092 (294)

The Effect of Manipulation of Task Restraints on Functional Indicators and Anxiety Related to Fear of Falling in the Elderly [PDF]

open access: yesرشد و یادگیری حرکتی ورزشی, 2022
Introduction: Task and environment constraints are very important in cognitive, perceptual, decision-making, and tactical behaviors. Task constraints are more specific than environmental constraints in performance context, therefore, the present research
Hosniyeh Barani   +2 more
doaj   +1 more source

Assessment of fluidity retention, mechanical strength and cost production of blended cement self-compacting concrete using the concept of a performance index

open access: yesFracture and Structural Integrity, 2022
Construction industry consumes a large amount of natural resources and energy and produces high amount of CO2 emissions and waste materials. For more sustainable construction industry, various waste materials are used as natural aggregates substitution ...
Boukhelkhal Aboubakeur, Kenai Said
doaj   +1 more source

Eco-Physiological Behavior of Five Tunisian Olive Tree Cultivars under Drought Stress

open access: yesAgronomy, 2023
Tunisia is known to be a country with poor water resources, and water scarcity is evident in certain regions. In the long term, this situation could worsen, given the increased risk of drought.
Olfa Boussadia, Amal Omri, Nada Mzid
doaj   +1 more source

New Performance Indices for Power System Stabilizers

open access: yesEnergies, 2022
The subject of the article is issues related to innovative indices for power system stabilizers (PSSs). These new indices will be able to quickly show which PSS (among many other PSSs) is not working properly and that advanced optimization and simulation
Michał Izdebski   +2 more
doaj   +1 more source

Study of Performance Index and Business Analysis on Chicken Infected by Escherichia coli with Probiotic Provision of Lactic Acid Bacteria

open access: yesJurnal Medik Veteriner, 2022
This study was conducted to determine the performance index and business analysis of broilers infected with Escherichia coli by administering lactic acid bacteria probiotics in the form of Lactoped® (Lactobacillus casei, Lactobacillus plantarum ...
Farid Abdurrahman   +2 more
doaj   +1 more source

Differential Evolution Algorithms Comparison Used to Tune a Visual Control Law

open access: yesIEEE Access, 2022
This paper presents the results of the comparative study of differential evolution algorithms used as an alternative for tuning the gains of a PD+ type visual control structure, since tuning PD or PID type control structures is not trivial.
Pablo Sanchez-Sanchez   +4 more
doaj   +1 more source

A Dea-Logistics Performance Index [PDF]

open access: yesJournal of Applied Economics, 2017
[EN] Logistics and transport increasingly play a pivotal role in international trade relations. The Logistics Performance Index (LPI) measures the on-the-ground efficiency of trade supply chains or logistics performance. The aim of this paper is to propose a data envelopment analysis (DEA) approach to compute a synthetic index of overall logistics ...
Martí, Luisa   +2 more
openaire   +4 more sources

Dimensional Synthesis of a Novel 3-URU Translational Manipulator Implemented through a Novel Method

open access: yesRobotics, 2022
A dimensional synthesis of parallel manipulators (PMs) consists of determining the values of the geometric parameters that affect the platform motion so that a useful workspace with assigned sizes can be suitably located in a free-from-singularity region
Raffaele Di Gregorio
doaj   +1 more source

Thermal Performance Evaluation of Plate-Type Heat Exchanger with Alumina–Titania Hybrid Suspensions

open access: yesFluids, 2023
This paper aims to develop models for the thermal conductivity and viscosity of hybrid nanofluids of aluminium oxide and titanium dioxide (Al2O3-TiO2).
Atul Bhattad   +5 more
doaj   +1 more source

Estimation and Evaluation of Iran's Economic-Energy-Environmental Performance with 3EPI Composite Index and TVP Model [PDF]

open access: yesPizhūhishnāmah-i Iqtiṣād-i Inirzhī-i Īrān, 2023
The main goal of this research is to design a composite economic-energy-environmental performance index (3EPI) for Iran's economy by generalizing the methodology of Khramov and Lee (2013) as well as evaluating the effect of variables on the composite ...
Mohamad Sayadi   +2 more
doaj   +1 more source

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