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Research ArticleOpen accessIn the keywordsAcute Hypotensive and Diuretic Activities of Chamaemelum nobile Aqueous Extract in Normal RatsN. A. Zeggwagh, J. B. Michel, M. EddouksThis study aims to evaluate the effect of Chamaemelum nobile (Cn) intravenous injection on cardiovascular and renal function of normal rats. Intravenous bolus injection of Cn at the dose of 50, 100 and 200 mg kg-1, produced dose dependent reduction in arterial blood pressure (p<0.001). Significant reduction in heart frequency was observed after Cn injection at a dose of 100 … …American Journal of Pharmacology and Toxicology, Vol. 2, Issue 3 · 30 Sep 2007 · 7,119 accessesView PDFCite
Research ArticleOpen accessIn the keywordsAn Evaluation of Childhood Overweight Studies from South Africa: A Bibliometric Review from 2003-2023Mere IdamokoroOverweight/obesity exists as a severe threat to the well-being of children globally, with its prevalence in South Africa steadily increasing in recent years. Childhood obesity/overweight can be linked to several life-threatening ailments and, in some cases, death. The present bibliometric review aimed to quantify and map out scholarly outputs on obesity/overweight research published in South Africa through a bibliometric analysis. … …OnLine Journal of Biological Sciences, Vol. 25, Issue 2 · 5 Mar 2025 · 4,909 accessesView PDFCite
Research ArticleOpen accessIn the keywordsPower Analysis on Same Filter Different Sources for Selection of Spectral Filters in Optical DemultiplexerMohammad Syuhaimi Ab-Rahman, Hadiguna, Latifah Sarah SupianThe cost effective demultiplexer based on POF is reported in this study. The demultiplexer is fabricated by combining optical splitter with the suitable filter for wavelength selection. Therefore this study we aims to evaluate the effectiveness of selected color filter film for demultiplexer construction where only signals with certain wavelengths are allowed to pass through the demultiplexer while the other … …Journal of Computer Science, Vol. 9, Issue 7 · 18 Jun 2013 · 6,550 accessesView PDFCite
Research ArticleOpen accessIn the keywordsSelection of Spectral Filters for Optical Demultiplexer Via Same Source Different Filters Testing TechniqueMohammad Syuhaimi Ab-Rahman, Hadiguna, Latifah Sarah Supian, Malik SulaimanThis study aims to evaluate the effectiveness of selected color filter film for demultiplexer construction where only signals with certain wavelengths are allowed to pass through the demultiplexer while the other signal that carrying different wavelengths are absorbed. Characterization testing and analysis is done based on recorded data. Demultiplexer components are characterized by the Same Source at Different Filters (SSDF) … …Journal of Computer Science, Vol. 9, Issue 4 · 9 May 2013 · 6,250 accessesView PDFCite
Research ArticleOpen accessIn the keywordsSelection of Spectral Filters for Optical Demultiplexer-Same Filter Different SourceMohammad Syuhaimi Ab-Rahman, Hadiguna, Latifah Sarah SupianThis study aims to evaluate the effectiveness of selected color filter film for demultiplexer construction where only signals with certain wavelengths are allowed to pass through the demultiplexer while the other signal that carrying different wavelengths are absorbed. Characterization testing and analysis is done based on recorded data. Demultiplexer components are characterized by a Same Filter Different Sources (SFDS) and … …Journal of Computer Science, Vol. 9, Issue 4 · 6 May 2013 · 6,485 accessesView PDFCite
Research ArticleOpen accessIn the keywordsDistributed Amplify and Forward Cooperation While Maintaining Transmission FreedomL. Chen, R. Carrasco, I. WassellProblem statement: This study proposes a novel Distributed Amplify and-Forward (DAF) cooperative scheme, achieving higher diversity order and yet maintaining the same transmission freedom as the conventional Amplify-and-Forward (AF) scheme. In the DAF scheme, a user’s transmitted symbols are partitioned into several sequences in order to be relayed by different users. Approach: In the cooperative network, each user still uses … …American Journal of Engineering and Applied Sciences, Vol. 4, Issue 4 · 2 Aug 2012 · 7,379 accessesView PDFCite
Research ArticleOpen accessIn the keywordsAdaptive Complementary Metal-Oxide-Semiconductor Device by Externally Controlled Gate Oxide ThicknessB. Gopi, R. S.D. WahidabanuProblem statement: Since the advent of IC and VLSI technology, the demand for high-speed devices and equipment is growing very rapidly. Every individual researcher is marching towards the dream of achieving it. The role of a design engineer is becoming more challenging. As per Moore’s law, the packing density doubles every eighteen months. This is possible only by scaling down … …Journal of Computer Science, Vol. 8, Issue 4 · 1 Feb 2012 · 7,112 accessesView PDFCite
Research ArticleOpen accessIn the keywordsOptimum Setting of Controller Using Soft Computing Techniques for a Chemical SystemG. Glandevadhas, S. Pushpakumar, S.V. Muruga PrasadProblem statement: The aim of this study is to present an intelligent tuning technique for PID controller that are simple and still result in good closed loop behavior. The idea is to start with a tuned conventional PID controller, replace it with an equivalent intelligent controllers like Fuzzy, ANN, Genetic and PSO techniques implies fine tuned nonlinear PID controller which … …American Journal of Applied Sciences, Vol. 8, Issue 11 · 6 Oct 2011 · 7,501 accessesView PDFCite
Research ArticleOpen accessIn the keywordsUsing PLC for Custom-design of a PID/PWM Program to Control a Heater TemperatureMohammad A.K. AliaThis is a practical approach to control a continuous-time process variable (temperature) using a discrete controller (PLC) and a custom-designed software control algorithm and hardware interface, in a closed-loop system. Unlike the conventionally known technique of transforming a digital control action into a proportional analogue one by a D/A converter followed by power amplifier, the control action was formed internally … …American Journal of Applied Sciences, Vol. 4, Issue 5 · 31 May 2007 · 7,669 accessesView PDFCite
Research ArticleOpen accessIn the keywordsWell-Posedness of Second Order Uniformly Elliptic Boundary Control Systems with Additive or Multiplicative UncertaintyAda ChengBoundary control systems arises naturally in many applications. Any modelling of real systems involve uncertainty. Sufficient conditions for well-posededness for additive or multiplicative uncertainty are presented through the use of matrix theory. …Journal of Mathematics and Statistics, Vol. 2, Issue 4 · 31 Dec 2006 · 6,140 accessesView PDFCite