the effects of natural zeolite as a bed medium in increasing lettuce and red tilapia growth as well as improvement of water quality parameters in an aquaponic system were investigated. an experiment with a completely randomized design was run with two treatments in triplicates, 1) an aquaponic system without use of zeolite as a control group and 2) use of a small cotton bag, containing 10 g zeo...

this research presents a dynamic mathematical system for modeling and simulating the quality management process in construction projects. through sets of cause and effect feedback loops, all factors that internally and externally affect the quality management process are addressed. the proposed system integrates fuzzy logic with system dynamics simulation scheme to consider the uncertainties as...

High assurance architecture-based and component-based software development relies fundamentally on the quality of the components of which a system is composed and their configuration. Analysis over those components and their integration as a system plays a key role in the software development process. This paper describes an approach to develop and assess architecture and component-based system...

Failure behavior analysis is a very important phase in developing large distributed embedded systems with weak safety requirements which do graceful degradation in case of failures. Today, the analysis will usually be done by standard methods like FTA and FMEA considering the existence of faults, only. Gradations of errors are not regarded, although this is a very coarse system behavior approxi...

background and purpose: health related quality of life (hqol) has different dimensions and many factors affect it. the aim of this study was to investigate the association between lifestyle satisfaction and health- related quality of life in the population aged 40 year old and over. the question is, if there is not lifestyle satisfaction, how should be the pattern of tendency to behavioral chan...

Two groups of snakes possess an infrared detection system that is used to create a heat image of their environment. In this Letter we present an explicit reconstruction model, the "virtual lens," which explains how a snake can overcome the optical limitations of a wide aperture pinhole camera, and how ensuing properties of the receptive fields on the infrared-sensitive membrane may explain the ...

Diabetes management depends almost entirely on behavioral self-regulation. Behavioral scientists have continued a collaboration with other health systems researchers to develop a holistic approach to this disease. The authors summarized the literature in 4 major areas: self-management of diabetes, psychosocial adjustment and quality of life, neuropsychological impact, and psychobehavioral inter...