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363 articles for “FRI”
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Research ArticleOpen accessEvery word in the titleFrontal Arabic Fricative Consonants Characteristics among Primary School Children: Spectral Density Function ApproachNurul Ashikin Abdul-Kadir, Rubita SudirmanProblem statement: Arabic speech recognition system is un-developed until today. By using people of non-Arab nationality, the set of frontal fricative of Arabic consonants are study as the earlier step to develop the recognition system for Malaysian. As most of the developed Arabic speech recognition system for Malaysian are rarely found. Approach: The characteristic of each of the phonemes were … …Journal of Computer Science, Vol. 7, Issue 10 · 9 Aug 2011 · 7,175 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleFinite Element Analysis of Frictional Contact Problem During the Process of Metal WorkingNicolae PopThe quasistatic contact problem with dry friction, contributes to the achievement of a numerical model for the simultaneity of different kinds of viscoplastic, incompressible materials forming. Starting from a variational formulation of the problem, which extends the static case, a perturbed Lagrangean, discrete formulation within the framework of finite element method is obtained. On the contact boundary we have used … …American Journal of Applied Sciences, Vol. 5, Issue 2 · 28 Feb 2008 · 7,293 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleNumerical Study on the Effect of Linear Friction of Long-Wave Propagation and Breaking with Sloping BottomAgustinus RibalIn this study, we investigate the breaking of long-waves propagating on shallow water with linear friction on the sloping bottom. A complete set of equations is presented and a numerical method is developed to simulate the wave propagation. The method uses an up-wind difference scheme for the nonlinear convective term and the central difference scheme for other derivative terms. Various … …Journal of Mathematics and Statistics, Vol. 3, Issue 4 · 31 Dec 2007 · 6,853 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleUse of X-Ray Diffractometry (XRD) for Identification of Fritillaria According to Geographical OriginWang Shujun, Yu Jinglin, Gao WenyuanFritillaria is a traditional Chinese herbal medicine for anti-tussive and expectorant use in China and some other Asian countries. The Fritillaria Chinese medicine material derived from different geographical origins is always difficult to discriminate each other. The objective of the study is to develop a nondestructive and simple method to identify five Fritillaria Chinese materia medica such as Fritillaria thunbergii … …American Journal of Biochemistry and Biotechnology, Vol. 1, Issue 4 · 31 Dec 2005 · 7,108 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleOn the Effect of Counterface Materials on Interface Temperature and Friction Coefficient of GFRE Composite Under Dry Sliding ContactN. S.M. El-Tayeb, B. F. Yousif, P. V. BrevernNowadays, there is an increase interest in polymeric composite materials for high-performance in many industrial applications. In other words, the tribo-studies on polymeric materials are growing fast to enhance the polymeric products such as bearings, seals, ring and bushes. The current work presents an attempt to study the correlation between the type of counterface material and frictional heating at the … …American Journal of Applied Sciences, Vol. 2, Issue 11 · 30 Nov 2005 · 7,023 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleDynamical Properties Analysis of Frictional Winding Mechanism with Bobbin Elastic SupportMohammed A. Alnawafleh, Faisal M. Al-GhathianA mathematical model of the Frictional Winding Mechanism (FWM) with bobbin elastic supports for a search of optimal structural and physical parameters for developing new and updating existing FWMs has been carried out. The model was derived from bobbin equipped with pendulum suspension for forming cylinder shaped packages. In the derivation method it was considered that the model corresponds the … …American Journal of Applied Sciences, Vol. 2, Issue 4 · 30 Apr 2005 · 6,879 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleFriction Forces in O-ring SealingAl-Ghathian, Faisal M.M. Tarawneh, S. MuafagIn the present study the focus was on developing a relationship as practical and convenient option for computing the friction force in O-ring sealing elements as used in the hydraulic and pneumatic equipments. For low-pressure applications, the developed relationship was applied for a different number of O-ring diameters, by investigating the obtained results, a good agreement has been observed for … …American Journal of Applied Sciences, Vol. 2, Issue 3 · 31 Mar 2005 · 8,456 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleThe Dynamics of Chemical Properties and Soil Microbial Types at Agroforestry System in Supporting Environmental Friendly AgricultureIda Suryani, Sulfiana, Maimuna Nontji, MarlianaAgroforestry is described as the land-use system producing and conserving various agricultural, livestock, and fishery commodities combined with forestry commodities. The research aims to determine the chemical properties of the soil and types of microbial (especially the presence of soil bacterial) in the cocoa farming system. The two types of analysis were conducted: (1) Soil chemical properties included pH, C-organic, … …OnLine Journal of Biological Sciences, Vol. 22, Issue 3 · 16 Aug 2022 · 5,409 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleEffectiveness of the Anaerobic Haylage Method for Flax Waste Utilization in the Diet of Friesian Holstein CowsRuly Budiono, Joko Kusmoro, Erin Nurinsani Waafi, SukonoThe haylage dry feed fermentation method is one of the methods of preserving grass feed, dried herbs, or dry agricultural waste for animal feed. This study aims to determine the quality of hemp flakes waste that has been dried for 6 months and has a water content of <3% using the Haylage method. The research parameters include physical quality, pH, … …OnLine Journal of Biological Sciences, Vol. 26, Issue 1 · 31 Mar 2026 · 1,271 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleEffects of Age and Season on in vivo Embryo Production of Friesian Holstein CowsNurul Isnaini, Syafira Aldina Febrianty, Faizal Andri et al.Embryo transfer is one of the leading technologies that is now being applied in an effort to increase the population and productivity of dairy cattle in Indonesia. Several factors may affect embryo production including age and season. In this study, the effects of age and season on in vivo embryo production were evaluated on Friesian Holstein (FH) cows. A total … …American Journal of Animal and Veterinary Sciences, Vol. 19, Issue 1 · 2 Mar 2024 · 5,457 accessesView PDFCite