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84 results for “Silicon”
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Research ArticleOpen accessIn the abstractLow-doping Effects of Nanostructure ZnO: Sn tin films annealed at different temperature in Nitrogen ambient to be applied as an Anti-reflecting coating (ARC)H. Abdullah, M.N. Norazia, S. Shaari et al.Problem statement: The focus of this research is to discover the significant influences of substituting low concentration Sn at Zn-site as an Anti-Reflecting Coating (ARC) for Zn1-xSnxO compound. The effects of tin dopants on the structural and morphology properties of ZnO thin films prepared using the sol-gel method were investigated. Approach: The effects of annealing temperature on the deposited films … …American Journal of Engineering and Applied Sciences, Vol. 3, Issue 1 · 31 Mar 2010 · 8,616 accessesView PDFCite
Research ArticleOpen accessIn the abstractOn-Chip Implementation of High Resolution High Speed Floating Point Adder/Subtractor with Reducing Mean Latency for OFDMRozita Teymourzadeh, Yazan Samir Algnabi, Nooshin Mahdavi, Masuri Bin OthmanProblem statement: Fast Fourier Transform (FFT) is widely applied in OFDM trance-receiver communications system. Hence efficient FFT algorithm is always considered. Approach: This study proposed FPGA realization of high resolution high speed low latency floating point adder/subtractor for FFT in OFDM trance-receiver. The design was implemented for 32 bit pipelined adder/subtractor which satisfied IEEE-754 standard for floating-point arithmetic. The design … …American Journal of Engineering and Applied Sciences, Vol. 3, Issue 1 · 31 Mar 2010 · 7,929 accessesView PDFCite
Research ArticleOpen accessIn the abstractA Novel Tactile Force Probe for Tissue Stiffness ClassificationBehafarid Darvish, Siamak Najarian, Elham Shirzad, Roozbeh KhodambashiIn this study, we have proposed a new type of tactile sensor that is capable of detecting the stiffness of soft objects. The sensor consists of a brass cylinder with an axial bore. An iron core can easily move inside the bore. Three peripheral bobbins were machined in the cylinder around which three coils have been wound. One of the … …American Journal of Applied Sciences, Vol. 6, Issue 3 · 31 Mar 2009 · 7,290 accessesView PDFCite
Research ArticleOpen accessIn the abstractWinner-Take-All Neural Network with Massively Optoelectronic InterconnectionsWissam H. Ali, Ahmed N. Abdalla, Wa'l H. AliThe increased interconnection density, bandwidth, nonlocality and fan-out-fan-in offered by optics over conventional electronic technologies make it a very attractive medium for a variety of application particularity in the field of communication system implementation for all types of computing engines is achieved. This is especially true for neural networks in which the demand for communication resources is extremely high. In … …American Journal of Applied Sciences, Vol. 6, Issue 2 · 28 Feb 2009 · 7,441 accessesView PDFCite
Research ArticleOpen accessIn the abstractRecent Sedimentation Rate and Sediment Ages Determination of Kemaman-Chukai Mangrove Forest, Terengganu, MalaysiaB.Y. Kamaruzzaman, M.C. OngTwo 20 cm sediment cores were collected with a D-section corer in the Kemaman-Chukai mangrove forest and analyzed for 210Pbex (excess 210Pb) in order to understand the sedimentation pattern. The activities of 210Pb along with the 208Po tracer were measured by Alpha Spectrometry on a silicon surface barrier detector connected to a multi channel analyzer. Sedimentation rates were determined applying … …American Journal of Agricultural and Biological Sciences, Vol. 3, Issue 3 · 30 Sep 2008 · 9,305 accessesView PDFCite
Research ArticleOpen accessIn the abstractValorization of Drinking Water Treatment Sludges as Raw Materials to Produce Concrete and MortarR.M. Ramirez Zamora, O. Ceron Alfaro, N. Cabirol et al.The purpose of this work was to assess the technical feasibility to valorize sludges, generated and stored at the Los Berros drinking water facility (PPLB), as raw material to produce building products (mortar and concrete) for the construction industry. The experimental study was divided into three stages: 1) sampling and characterization of PPLB sludges to determine their potential as raw … …American Journal of Environmental Sciences, Vol. 4, Issue 3 · 30 Jun 2008 · 7,583 accessesView PDFCite
Research ArticleOpen accessIn the abstractCharacterization of Boron Carbonitride (BCN) Thin Films Deposited by Radiofrequency and Microwave Plasma Enhanced Chemical Vapor DepositionM.A. Mannan, M. Nagano, K. Shigezumi et al.Boron carbonitride (BCN) thin films with a thickness of ~4 µm were synthesized on Si (100) substrate by radiofrequency and microwave plasma enhanced chemical vapor deposition using trimethylamine borane [(CH3)3N.BH3)] as a molecular precursor. The microstructures of the films were evaluated using field emission scanning electron microscopy (FE-SEM) and X-ray diffractometry (XRD). Fourier transform infrared spectroscopy (FT-IR) and X-ray photoelectron … …American Journal of Applied Sciences, Vol. 5, Issue 6 · 30 Jun 2008 · 7,375 accessesView PDFCite
Research ArticleOpen accessIn the abstractDevelopment of Wireless Electric Concept Powering Electrical AppliancesHanita Daud, Noorhana Yahya, Azizuddin A. Aziz, Mohd Fadzzrul JusohThis study presents a concept of harvesting and transferring energy to a low power electrical appliances using wireless technology where interconnecting wires are not available. This study was a ground work for the future alternative energy supply especially to the areas where supplying direct energy is a challenge such as in deep sea exploration as well as to the area … …American Journal of Engineering and Applied Sciences, Vol. 1, Issue 1 · 31 Mar 2008 · 7,343 accessesView PDFCite
Research ArticleOpen accessIn the abstractFrequency Behavior of a Quartz Crystal Microbalance (Qcm) in Contact with Selected SolutionsZ. A. Talib, Z. Baba, S. Kurosawa et al.A device was constructed to monitor viscosity of solutions using fundamental frequency of 9 MHz and 10 MHz quartz crystal. Piezoelectric quartz crystals with gold electrodes were mounted by O-ring in between liquid flow cell. Only one side of the crystal was exposed to the solutions which were pumped through silicon tube by a peristaltic pump. The measured frequency shift … …American Journal of Applied Sciences, Vol. 3, Issue 5 · 31 May 2006 · 7,518 accessesView PDFCite
Research ArticleOpen accessIn the abstractAsynchronous NoC Router DesignSami Badrouchi, Abdelkrim Zitouni, Kholdoun Torki, Rached TourkiThe Quality of Service Network on Chip (QNoC) is the most perferment solution that provides low latency transfers and power efficient System on Chip (SoC) interconnect. This study presents an asynchronous NoC router, for use in 2-D mesh-connected networks. It comprises multiple interconnected input and output ports and dynamic arbitration mechanisms that resolve any output port conflicts based on the … …Journal of Computer Science, Vol. 1, Issue 3 · 30 Sep 2005 · 7,417 accessesView PDFCite