introduction: to cope with novel changes, organizations must think beyond environmental compatibility and seek to take advantage of potential opportunities. a paradigm for this is the enhancement of organizational flexibility, speed, quality, and agility. human resources are the most important tool for enhancement of organizational agility and the most valuable asset of each organization and co...

background: considering the increasing rates of early hospital discharge and kernicterus in healthy full term newborns, timely identification of neonates at risk of severe hyperbilirubinemia is of great significance. the aim of this study was to investigate the predictive value of umbilical cord serum (ucs) bilirubin level for subsequent hyperbilirubinemia. moreover, we compared the predictive ...

the management of machine replacement (specifically tractors) is one of the most critical factors for performing field operations on time. therefore, tractor repair and maintenance costs must be accurately predicted. this research was carried out to evaluate the use of the regression technique in predicting tractor repair and maintenance costs. the study was conducted using empirical data on 60...

dynamic frothability index (dfi) is a characteristic of any frother which presents useful information about frothing properties. the objective of this study is to introduce a prediction model for estimation of dfi value of dual-frother blends. model uses the dfis of frothers and mole ratio of weaker frother to calculate the blend’s dfi. the model reliability was confirmed by comparing the exper...

due to its complexity and destructive nature, convection has been subject of many studies and researches among weather phenomena throughout the world. scientists have attempted for decades to generate different types of models to provide the possibility of abating or, at least, reducing convective weather phenomena effects on people’s lives. in south or southwest of iran, people are familiar wi...

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Simulation of multicomponent systems poses many critical challenges in science and engineering. We overview some software and algorithmic issues in developing high-performance simulation tools for such systems, based on our experience in developing a large-scale, fullycoupled code for detailed simulation of solid propellant rockets. We brie y sketch some of our solutions to these issues, with f...

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