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471 articles for “technologies”
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Research ArticleOpen accessIn the abstractThermal Energy Storage in the Ground of a Greenhouse by the Polypropylene Capillary Heat ExchangerM. Lazâar, S. Koôli, M. Hazami et al.The problem of temperature inversion is one of solar origin principal problems about which the cultures under shelters complain. Indeed, for the winter period, the temperature under greenhouse is very low at night and it is rather high during the day in summer. Consequently, the heating of the greenhouses is essential. In this work, we studied the advisability of using … …American Journal of Applied Sciences, Vol. 5, Issue 12 · 31 Dec 2008 · 6,944 accessesView PDFCite
Research ArticleOpen accessIn the abstractFostering ICT Development for Growth: Measuring the Payoffs for Australia and the Asean-5 CountriesMudiarasan Kuppusamy, Mosayeb Pahlavani, Ali Salman SalehOver the past few decades the brisk development of information and communication technologies (ICT) has had a phenomenal impact on the economic stability and development of many countries. Empirical studies show that most developed economies have gained significant payoffs (in terms of economic growth) from their ICT investments. This study investigates the hypothesis that ICT-based investment has paid off for … …American Journal of Applied Sciences, Vol. 5, Issue 12 · 31 Dec 2008 · 7,156 accessesView PDFCite
Research ArticleOpen accessIn the abstractImplementation of Computational Grid Services in Enterprise Grid EnvironmentsR.J.A. Richard, Ajay Anant Joshi, C. EswaranGrid Computing refers to the development of high performance computing environment or virtual super computing environment by utilizing available computing resources in a LAN, WAN and Internet. This new emerging research field offers enormous opportunities for e-Science applications such as astrophysics, bioinformatics, aerospace modeling, cancer research etc. Grid involves coordinating and sharing of computing power, application, data storage, network resources … …American Journal of Applied Sciences, Vol. 5, Issue 11 · 30 Nov 2008 · 7,373 accessesView PDFCite
Research ArticleOpen accessIn the abstractComparison and Parametric Study of Flameless Oxidation in a Gas Turbine Using Two Kinetics MechanismsMohamed Hamdi, Hmaïed Benticha, Mohamed SassiThe so-called "Flameless Oxidation" is a novel combustion mode, in which combustion products are re-circulated and mixed into the fresh incoming fuel and air streams. This reduces the concentration of the reactants and thereby reducing the reaction rate through avoiding the formation of sharp high temperature zones in the combustion chamber. Flameless combustion has been acknowledged as one of the … …American Journal of Environmental Sciences, Vol. 4, Issue 5 · 31 Oct 2008 · 6,957 accessesView PDFCite
Research ArticleOpen accessIn the abstractPredictors of Technology Deployment Among Malaysian TeachersNaresh Kumar, Raduan Che Rose, Jeffrey Lawrence D’SilvaTechnologies advocate researchers had identified a number of factors that affect individual teachers' usage of computers. Nevertheless mix results were reported in literature. Hence, this study used personal characteristics and the technology acceptance constructs to understand the Actual Usage of Computer (AUC) among Malaysian teachers. The final model derived from this study was able to explain and predict approximately 54.5% … …American Journal of Applied Sciences, Vol. 5, Issue 9 · 30 Sep 2008 · 7,036 accessesView PDFCite
Research ArticleOpen accessIn the abstractConstructing a Grid Simulation for E-Governance Applications Using GridSimMrs. P. Sumathi, M. PunithavalliThis study provides a design framework for the adoption of grid computing for e-governance applications. Problem statement: E-Governance is the application of information and communication technology to achieve efficiency, effectiveness, transparency and accountability in Government to Government (G2G), Government to Employee (G2E), Government to Citizen (G2C) and Government to Business (G2B). It enables citizens to make best use of automated … …Journal of Computer Science, Vol. 4, Issue 8 · 31 Aug 2008 · 6,770 accessesView PDFCite
Research ArticleOpen accessIn the abstractDynamic Traffic Light Sequence Algorithm Using RFIDKhalid A.S. Al-Khateeb, Jaiz A.Y. Johari, Wajdi F. Al-KhateebProblem statement: Traffic congestion and tidal flow management were recognized as major problems in modern urban areas, which have caused much frustration and loss of man hours. Approach: In order to solve the problem an intelligent RFID traffic control has been developed. It has circumvented or avoided the problems that usually arise with systems such as those, which use image … …Journal of Computer Science, Vol. 4, Issue 7 · 31 Jul 2008 · 21,778 accessesView PDFCite
Research ArticleOpen accessIn the abstractA Philosophical Analysis of the Challenges of Science and Technology in Contemporary Africa: The Nigerian ExperimentAkinnawonu Benson MonehinScience and technology engendered unexpected social, political and health related problems. These included corrupt and dubious utilization of information and communication technology, environmental pollution and protection and depletion of the ozone layer which endangered human health. This sstudy examined the positive and negative implications of science and technology in Africa using Nigeria as a case study. This attempt became germane … …Journal of Social Sciences, Vol. 4, Issue 2 · 30 Jun 2008 · 8,269 accessesView PDFCite
Research ArticleOpen accessIn the abstractAn Effective Data Transformation Approach for Privacy Preserving ClusteringR. R. Rajalaxmi, A. M. NatarajanA new stream of research privacy preserving data mining emerged due to the recent advances in data mining, Internet and security technologies. Data sharing among organizations considered to be useful which offer mutual benefit for business growth. Preserving the privacy of shared data for clustering was considered as the most challenging problem. To overcome the problem, the data owner published … …Journal of Computer Science, Vol. 4, Issue 4 · 30 Apr 2008 · 7,117 accessesView PDFCite
Research ArticleOpen accessIn the abstractThe Relationship Between National Culture and E-Adoption: A Case Study of IranAkram Hadizadeh Moghadam, Parisa AssarNational Culture, in the sense of the shared traditions and representations of a society, has a profound effect on the design, adoption and the use of Information Technologies in each society. E-Adoption refers to the adoption of Information Technology and internet. Using Hofstede theory as the primary theoretical framework, through a review of existing studies, the current study attempted to … …American Journal of Applied Sciences, Vol. 5, Issue 4 · 30 Apr 2008 · 7,921 accessesView PDFCite