1,721,013 research outputs found

    Analysing Software Architecture of FLOSS Projects for Evolution and Reusability

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    Reuse of software components depends from different aspects of high level software artefacts. In particular, software architecture and its stability should be taken into account before selecting software components for reuse. In this direction, this paper presents an empirical study aimed at assessing software architecture stability and its evolution along the software project history. The study entails the gathering and analysis of relevant information from several open source projects. The architectural views for reengineering, and the analysis of software architectures stability are proposed results

    Functional, nutritional, and sensory quality of mixed flours-based breads as compared to durum wheat semolina-based breads

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    Increasing preference of consumers and bakers towards bread manufactured with mixed flours and/or sourdough drove us to investigate about influence of flours and sourdough on crumb grain, chemical, sensory, and in vitro glycaemic index (GI) and antioxidant activity of bread. To this aim, we produced and compared six experimental breads: three were based on a mixture of flours (soft wheat, durum wheat semolina, barley, oat, rye, and buckwheat); three were semolina-based breads. Two different sourdoughs (wheat or mixed flours) were assessed. Compared to semolina breads, those containing a mixture of flours showed higher specific volume. The use of sourdough led to increased concentrations of total free amino acids (FAA). Mixed flours bread with addition of mixed flours sourdough was rich in some essential FAA and amino acid derivative bioactive gamma-aminobutyric acid. Type of flours had higher influence than sourdough addition on volatile organic compounds. All the mixed flours breads, although showing profiles of volatile organic compounds differing from those of semolina breads, resulted acceptable. In addition, they had lower GI and higher antioxidant activity than semolina breads. Type of flours had much higher impact on GI and antioxidant activity than sourdough

    Going Beyond Counting First Authors in Author Co-citation Analysis

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    The present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed

    Use of rubber particles from recycled tires as concrete aggregate for engineering applications

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    This study explores the ameliorative effects of rubber particles on some properties of concrete. The used rubber scraps are obtained from a mechanical trituration process of post-used tires from motor vehicles and trucks. They have long been investigated for resource reutilization as an aggregate in concrete resulting in the Rubcrete mix', which can be conveniently used in various applications with promising effects. Rubcrete provides a final product with good mechanical properties and also represents an effective and inexpensive way of recycling the discarded tires. The aim of this work is to present the results of an experimental investigation conducted to identify the optimal types and quantities of aggregates in concrete mixtures for engineering applications. Some of the examined characteristics include: density of rubber aggregates, workability, air entrapment and compressive strength. Three types of rubber particles (ash rubber, crumb rubber and tire chips) have been used in the rubberized concrete mixtures replacing partially or totally natural aggregates
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