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Research ArticleOpen accessIn the keywordsEffect of Inner Diameter and Inclination Angles on Operation Limit of Closed-Loop Oscillating Heat-Pipes with Check ValvesP. Meena, S. Rittidech, P. TammasaengThis research was to study the effect of inner diameter and inclination angles on operation limit of a closed loop oscillating heat pipes with check valves (CLOHP/CV). A set of CLOHP/CV was made of copper tubes in combination of following dimension: 1.77 and 2.03 mm inside diameter: 10 turn, with R123 was used as the working fluid. The working fluid … …American Journal of Engineering and Applied Sciences, Vol. 1, Issue 2 · 30 Jun 2008 · 7,153 accessesView PDFCite
Research ArticleOpen accessIn the keywordsCombined DWT-DCT Digital Image WatermarkingAli Al-HajThe proliferation of digitized media due to the rapid growth of networked multimedia systems, has created an urgent need for copyright enforcement technologies that can protect copyright ownership of multimedia objects. Digital image watermarking is one such technology that has been developed to protect digital images from illegal manipulations. In particular, digital image watermarking algorithms which are based on the … …Journal of Computer Science, Vol. 3, Issue 9 · 30 Sep 2007 · 18,205 accessesView PDFCite
Research ArticleOpen accessIn the keywordsAtomic Absorption Spectrometric Determination of Certain Fluoroquinolones in Pharmaceutical Dosage Forms and in Biological FluidsH. Salem, W. Khater, L. FadaSimple, accurate, sensitive and selective methods are described for the quantitative determination of ten fluoroquinolones (amifloxacin, ciprofloxacin hydrochloride, difloxacin hydrochloride, enoxacin, enrofloxacin, lomefloxacin hydrochloride, levofloxacin, norfloxacin, ofloxacin and pefloxacin mesylate). The methods are based on precipitation of the ion associates formed from the reaction of the cited drugs with silver nitrate, copper acetate and ferric chloride. The formation and solubility … …American Journal of Pharmacology and Toxicology, Vol. 2, Issue 2 · 30 Jun 2007 · 7,424 accessesView PDFCite
Research ArticleOpen accessIn the keywordsAn Empirical Study of Attitudes and Opinions of Computer Crimes: A Comparative Study between U.K. and the Kingdom of BahrainAdel I. Al-Alawi, Mohamed F. AbdelgadirIn this digital age we are constantly becoming more reliant on technology and information systems in all walks of life. There is no doubt that Computer systems play a fundamental role in the basic operation of almost all organizations today. The emergence of the Internet has played a major role in exploiting new opportunities and markets for many businesses today … …Journal of Computer Science, Vol. 2, Issue 3 · 31 Mar 2006 · 7,064 accessesView PDFCite
Research ArticleOpen accessIn the keywordsEnergetic Aspects Related to Heavy Metals Adsorption on the Surface of Volcanic Tuff I. The Influence of Activation Parameters in Cu2+ AdsorptionLeonard Mihaly-Cozmuta, Teodor Visan, Anca Mihaly-Cozmuta et al.The article develops some physico-chemical aspects presented along of copper ions adsorption in treatment of wastewaters using volcanic tuff. In the experiments volcanic tuff from Stoiana Pâglişa (Romania) has been used. Different concentrations of NaCl and HCl solutions were used for activation of tuff. The increase of activation solutions' concentrations indicates an intensification of specific adsorption of copper as consequence … …American Journal of Environmental Sciences, Vol. 1, Issue 2 · 30 Jun 2005 · 6,675 accessesView PDFCite
Review ArticleOpen accessIn the keywordsHybrid Photovoltaic/Thermal (HPV/T) Systems: From Theory to ApplicationsErdem Cuce, Erman Kadir Oztekin, Pinar Mert CuceHybrid photovoltaic/ thermal systems are very promising clean energy harvesting devices where they can be used either standalone system or can be incorporated with other systems. In this study, historical developments leading to current Hybrid Photovoltaic/Thermal (HPV/T) systems as it is used today and global findings to enhance the performance of HPV/T system through state-of-the-art analyses are presented in a … …Energy Research Journal, Vol. 9, Issue 1 · 29 Jun 2018 · 7,877 accessesView PDFCite
Research ArticleOpen accessIn the keywordsFeasibility Study and Performance Analysis of Solar Assisted Desiccant Cooling Technology in Hot and Humid ClimateArfidian Rachman, Kamaruzzaman Sopian, Sohif Mat, Muhammad YahyaProblem statement: New approaches to space conditioning of buildings are to resolve environmental, economic and regulatory issues. One of the alternative systems that brought to agenda is the desiccant cooling systems, which may provide important advantages in solving air conditioning problems. Approach: The performance analysis of desiccant cooling with solar energy are analyzed. The system was designed, constructed and tested … …American Journal of Environmental Sciences, Vol. 7, Issue 3 · 11 Jul 2011 · 7,508 accessesView PDFCite
Research ArticleOpen accessIn the keywordsAnalyzing Temperature-Dependent Thermal Properties of Biomaterials Using Machine Learning MethodsArmaghan Shalbaftabar, Kristen Rhinehardt, Dhananjay KumarThis research utilizes machine learning models ANN, Random Forest, and Decision Tree to predict material properties of Ti-based biomaterials, including Young’s modulus, density, thermal conductivity, and specific heat at various temperatures. Data was sourced using web scraping and Plot Digitizer, validated against literature, and analyzed in Excel. The ANN model achieved strong performance, with R² = 0.980874 for TiAl and … …American Journal of Engineering and Applied Sciences, Vol. 18, Issue 1 · 12 Sep 2025 · 4,640 accessesView PDFCite
Research ArticleOpen accessIn the keywordsHMGD: A High-Accuracy Model for Detection and Prediction of Respiratory Genetic DiseasesKamal ElDahshan, Hesham Hefny, Iman Ahmed ElSayedRespiratory genetic diseases are considered a major participant in the reasons of death worldwide nowadays and were one of the major participants in helping in increasing the numbers of COVID-19 patients. It is considered one of the most alarming diseases affecting in particular the respiratory system. The journey of early detection of respiratory genetic diseases is considered to be very … …Journal of Computer Science, Vol. 20, Issue 6 · 30 Mar 2024 · 5,282 accessesView PDFCite
Research ArticleOpen accessIn the keywordsRETRACTED: Analysis of Students with Psychiatric Disabilities in Higher EducationAzizi Yahaya, Jamaludin Ramli, Shahrin Hashim et al.At the request of the Editor-in-Chief and the Corresponding Author Azizi Yahaya, the Journal of Social Sciences has decided to retract the manuscript titled "Analysis of Students with Psychiatric Disabilities in Higher Education" published in Volume 5, Issue 4 with the page numbering 362-369. This paper has been withdrawn as the authors failed to include Goh Siao Yen as a … …Journal of Social Sciences, Vol. 5, Issue 4 · 31 Dec 2009 · 7,524 accessesView PDFCite