نتایج جستجو برای: performance of attributes
تعداد نتایج: 21229153 فیلتر نتایج به سال:
nano sio2/hyperbranched polyglycerol (hpg)/so3h catalyst was readily prepared for first time from inexpensive starting materials in aqueous media which catalyzed the synthesis of benzoic acid. ftir spectra, x-ray diffraction (xrd) and transmission electron micrographs (tem) was employed to characterize the properties of the synthesized nano sio2/hpg/so3h. high catalytic activity and ease of rec...
Scalability is one of the most important quality attributes of today’s software systems. Yet, despite its importance, scalability in applications is poorly understood. This paper presents a model-based view of scalability in Web and other distributed applications that is aimed at removing some of the myth and mystery surrounding this important software quality. We review four models of scalabil...
For real time embedded systems software performance is one of the most important quality attributes. Although a variety of general activities has been proposed as a basis for controlling and predicting the software performance in software, these activities are not widely used in the maintenance and evolution of embedded platforms. During the maintenance and evolution of an embedded platform, wh...
The aim of the Q-ImPrESS project [Q-ImPrESS, 2009] is to develop methods and tools for predicting impact of changes in existing software systems on quality attributes such as performance, reliability and maintainability. The methods are centered around creating a model of the software system and performing the changes first in the model, transforming the model to a prediction model and solving ...
like any other learning activity, translation is a problem solving activity which involves executing parallel cognitive processes. the ability to think about these higher processes, plan, organize, monitor and evaluate the most influential executive cognitive processes is what flavell (1975) called “metacognition” which encompasses raising awareness of mental processes as well as using effectiv...
the present article is to explain ibn sina’s view on the god’s knowledge of things by rational-analytic method. peripatetic philosophers including ibn sina have used the expression representation (irtisam) in discussing divine foreknowledge of things. commentators and critics of avicenna’s works had not the same interpretation of this expression but had given different understandings of it so t...
this research was conducted to examine the effect of a concurrent training on rest level of leptin of plasma and some hormonal factors in non-athlete subjects. the research population included non-athlete men who didn’t participate in any organized sport activities. 30 men were chosen voluntarily among the above-mentioned population and were divided into 2 groups: experimental (15 subjects) an...
wireless sensor networks (wsns) are one of the most interesting consequences of innovations in different areas of technology including wireless and mobile communications, networking, and sensor design. these networks are considered as a class of wireless networks which are constructed by a set of sensors. a large number of applications have been proposed for wsns. besides having numerous applic...
Dynamic cellular manufacturing systems, Mixed-integer non-linear programming, Production planning, Manufacturing attributes This paper presents a novel mixed-integer non-linear programming model for the design of a dynamic cellular manufacturing system (DCMS) based on production planning (PP) decisions and several manufacturing attributes. Such an integrated DCMS model with an extensi...
cement is an essential ingredient in the concrete buildings. for production of cement considerable amount of fossil fuel and electrical energy is consumed. on the other hand for generating one tone of portland cement, nearly one ton of carbon dioxide is released. it shows that 7 percent of the total released carbon dioxide in the world relates to the cement industry. considering ecological issu...
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