نتایج جستجو برای: dynamic performance
تعداد نتایج: 1396670 فیلتر نتایج به سال:
Objective: This investigation aimed to compare the effect of neuromuscular, strength and combined training on dynamic balance and sports performance including sprint, agility and power abilities in female basketball players. Method: In this semi-experimental study, 42 female professional basketball players (age 19-25 years) were assigned to three groups (neuromuscular (NM), strength (ST), and ...
strategic performance evaluation of an organization within the industry environment is one of the basic and most important prerequisites of organizational improvement plans. in today’s knowledge-based economy and dynamic environment, it is essential for universities as the centers of education, knowledge creation and knowledge worker evolvement. till now, variant models with different approache...
The number of constructed dams has been largely increased due to high demands of water supplies, and earth dams are the most common types since they are more compatible to the environment. Nevertheless, the stability of these important structures during earthquakes has to be carefully evaluated and guaranteed. In the past, earth dams usually designed with pure clay core, but in recent decades t...
In the present study, the effect of nano Al2O3 and nano graphene ceramic additives in optimizing performance and improving thermophysical properties of aircraft anti-icing/de-icing fluids was investigated. Nanoparticles were characterized by TEM, SEM and XRD methods. The thermal conductivity, surface tension and dynamic viscosity of the hybrid nanofluids were experimentally assessed for tempera...
There has not been a uniform agreement regarding what constitutes “good” performance for evolutionary algorithms in dynamic environments. A performance measurement method should, as a minimum, have an intuitive meaning and provide straightforward methods for statistical significance testing of comparative results. In this paper we attempt to resolve some issues related to EA performance measure...
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The art of performance tuning is, alas, still an art; there are few tools to help predict the effects of changes that are motivated by performance needs. In this work, we present dynamic dependency modeling techniques for predicting the effects of configuration changes. These techniques utilize a simple, exterior model of the system under test, and only require codifying the nature of dependenc...
The safe operation of power system depends on its stability and security supply in all times. The dynamic instability (small signal instability) is one of phenomena that results in power system instability and has been discussed as a challenge in power system control and operation from a long time ago. Commonly the dynamic instability appears as undamped low frequency electromechanical oscillat...
Background and Aim: Research has shown that the type of attentional instructions plays a vital role in performance and learning of various skills, including balance skills and postural control. The purpose of the present study was to investigate the effect of internal and external (close & far) attentional focus on the static and dynamic balance of chemical veterans with movement impairment. Me...
This article investigates systematically the utility of performance measures in non-stationary environments. Three characteristics for describing the goals of a dynamic adaptation process are proposed: accuracy, stability, and recovery. This examination underpins the usage of the best fitness value as a basis for measuring the three characteristics in scenarios with moderate changes of the best...
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