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461 articles for “Deco”
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Prediction of Phishing Website using Visual Cryptography
Abstract: Phishing is a new type of social network attack. It is the act of attempting to acquire theinformation such as username, password, credit card details, etc. In this project, a newapproach named as “Image Captcha Based Authentication Using Visual Cryptography”to solve the problem of phishing is proposed. The string is converted into image captchausing the extracting and embedding method. The visual cryptography is used to preservethe privacy of image captcha …
Published in Journal Of Network security · Vol. 2, Issue 1, 2014 · pp. 28–33 Read article
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Development of an Active Catheter Mechanism using IPMC for in vivo Inspection
Abstract: An active catheter mechanism designed and developed for body parts (interiors, oral) inspection using active polymeric actuator i.e. ionic polymer metal composite (IPMC). The first step is achieved by fabricating the low cost silver (Ag) electrode IPMC following the chemical decomposition method. When a voltage is applied, the catheter yields a transverse movement; at the same time can exhibit forward and backward motion enables it to inspect wide range of …
Published in Journal of Mechatronics and Automation · Vol. 1, Issue 1, 2014 · pp. 60–69 Read article
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Digital Communication Receiver CMOS Chip Design
Abstract: RF receivers are such electronic devices that discrete radio signals from one another and transform specific signals into respective audio, video, or data formats. It uses an antenna to receive transmitted radio signals and a tuner to separate a specific signal from all of the other signals that the antenna receives. Detectors or demodulators at that moment extract information that was programmed formerly to transmission. There are numerous customs to …
Published in Recent Trends in Electronics Communication Systems · Vol. 1, Issue 3, 2014 · pp. 16–21 Read article
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Performance Improvement of SER in Linear Dispersive Coded 4x4 MIMO Systems using Precoding and Channel Encoding
Abstract: In this paper, Symbol-Error-Rate (SER) performance of Linear dispersive coded (LDC)4X4 MIMO system over Rayleigh and Rician fading channelshas been discussed. Channel encoder has been used to reduce the effect of the burst errors occurred due to noise. Convolution coding and inter-leaver has reduced the effect of burst noise in LDC system. Precoding requiring Channel state information at the transmitter (CSIT) has been used to lessen the effect of fading. …
Published in Recent Trends in Electronics Communication Systems · Vol. 2, Issue 3, 2015 · pp. 18–31 Read article
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Design and Implementation of Improved Image Compression Algorithm using Hybrid Approach of DWT, DCT and SVD
Abstract: In today’s digital world, the latest technology is being developed in field of communication, network, digital data storage, etc. Use of internet is increased rapidly in world of business and profession. A study conducted by research says that 1.1 billion people have regular web access and use application like electronic mail, instant messaging, social networking, online messaging etc. which, helps in growth and knowledge sharing in different domains such as …
Published in Recent Trends in Electronics Communication Systems · Vol. 4, Issue 2, 2017 · pp. 1–5 Read article
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Significance of Solution Combustion Synthesis (SCS) in Fabrication of Carbon Doped Organometallic Alumina
Abstract: Present work signified the potential of high temperature solution combustion synthesis (SCS) in rapid fabrication of “covalent-ionic” bonded organometallic aluminate. Natural herb “Piper longum” was used to obtain carbon. Aluminum nitrate served as a base chemical for oxide transformation. Exothermic platform for ignition was provided by propellant urea. Overall explosive decomposition of solution based precursor materials on typical temperature 700°C results in formation of organometallic C-γ-alumina in a well dry …
Published in Nano Trends – A Journal of Nano Technology & Its Applications · Vol. 17, Issue 1, 2015 · pp. 11–16 Read article
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Experimental Investigation of Mechaniccal and Thermal properties of Pmyra bract fiber composite
Abstract: Ecological concerns have resulted in renewed interest in natural materials in terms of their industrial applications and fundamental research. Recyclability and environmental safety are becoming increasingly important to the introduction of natural materials and products. Petroleum based products such as resins in thermo set plastics are toxic and non- biodegradable. The resins and fibres used in green composites are biodegradable when they are dumped, decomposed by the action of microorganisms. …
Published in Trends in Mechanical Engineering & Technology · Vol. 4, Issue 3, 2014 Read article
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Synthesis, Structural Characterization and Biological Studies of Schiff Base Complexes Bearing Indole Moiety
Abstract: Schiff base complexes of N2O2 type derived from indole-3-carboxaldehyde(ind) and amino acids such as glycine(gly), L-valine(val), and L-tryptophan(try) with Cu(II), Ni(II), Zn(II), Co(II) and Mn(II) were synthesized and characterized by physical and analytical techniques. The complexes are of non-electrolytic nature having 1:2 (metal:ligand) ratio. The geometry of the complexes was predicted with the combined data obtained from electronic spectral and magnetic susceptibility measurements. The mode of coordination of the Schiff …
Published in Journal of Modern Chemistry & Chemical Technology · Vol. 4, Issue 1, 2013 · pp. 31–42 Read article
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Thermogravimetric and crystallinity studies of ER/PS blends
Abstract: Thermoplastic elastomeric blends of polystyrene (PS) and exudated resin (ER) were prepared by solution casting technique. The decomposition behavior of these blends was studied by thermogravimetric analysis. The effect of blend ratio and cross linking on the thermal behavior of ER/PS blend system was studied. An enhancement in thermal stability was observed by the addition of ER into polystyrene. The activation energy of degradation was calculated by using Horowitz-Metzger equation. …
Published in Journal of Modern Chemistry & Chemical Technology · Vol. 5, Issue 1, 2014 · pp. 28–33 Read article
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Structural Investigations of NiFe2O4 Synthesised by the Pyrolysis of Single Source Precursor
Abstract: NiFe2O4 nanoparticles have been synthesized using the single source precursor [NiFe2(cin)3(N2H4)3] via pyrolysis thermal decomposition route. The single source precursor prepared by a simple precipitation method, was characterised by hydrazine and metal analyses, infrared spectral analysis and thermo-gravimetric analysis. Using appropriate annealing conditions, NiFe2O4 nanoparticles were synthesised by the thermal treatment of the precursor. From XRD and HRTEM studies, the particle size of the sample was found to be around …
Published in Journal of Modern Chemistry & Chemical Technology · Vol. 7, Issue 3, 2016 · pp. 12–16 Read article
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Operating Limits of Three-phase Self-excited Induction Generator under Unbalanced Operations
Abstract: This paper presents a new GA based model to analyze the steady state performance of the self-excited induction generator (SEIG) under unbalanced load and excitation. The proposed model is based upon the load decoupled approach using symmetrical component theory. The simulated results as obtained using proposed model are compared with experimental results on a test machine. Close agreement with the experimental results proves the effectiveness of GA based model and …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 4, Issue 3, 2013 · pp. 13–29 Read article
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Refractive-Type Fresnel Lens Concentrated Solar Water Heater-cum-Distillation Unit
Abstract: This paper presents a new GA based model to analyze the steady state performance of the self-excited induction generator (SEIG) under unbalanced load and excitation. The proposed model is based upon the load decoupled approach using symmetrical component theory. The simulated results as obtained using proposed model are compared with experimental results on a test machine. Close agreement with the experimental results proves the effectiveness of GA based model and …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 4, Issue 3, 2013 · pp. 30–38 Read article
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Evaluation of Antipyretic Activity of Olax Scandens (Roxb.) Stem Bark
Abstract: Abstract:Traditionally, the decoction of Olax scandens (Roxb.) stem bark is used to cure fever and cough. The present experimental study was carried out to evaluate the antipyretic activity of stem bark of Olax scandens (Roxb.) on experimental animals. Brewer’s yeast was used as a pyrogen in Wistar strain albino rats for inducing pyrexia. The stem bark powder, at a dose of 540 mg/kg body weight of rat was suspended in …
Published in Research and Reviews: A Journal of Pharmacology · Vol. 5, Issue 1, 2015 · pp. 15–18 Read article
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Review of Application of Ceramic in High Temperature Environment
Abstract: Normal 0 false false false EN-US X-NONE X-NONE Ceramic become one of the potential materials that provide lots of advantages compare to metal. Generally it can withstand very high temperature without melting or decomposing which is good for thermal insulation. Ceramic materials are hard, brittle, and strong in compression, weak in shearing and tension. For decades, ceramic has been applied in high temperature environments such as in heat engine, turbine, …
Published in Journal of Aerospace Engineering & Technology · Vol. 1, Issue 2, 2011 · pp. 40–46 Read article
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Preparation of Rocket Grade Hydrogen Peroxide and Catalyst Pack for Monopropellant Rocket Thruster
Abstract: Preparation of rocket grade hydrogen peroxide and silver catalyst pack has been realized. The concentration of rocket grade hydrogen peroxide has to be above 85% and free from any kind of stabilizers. Two types of commercially available hydrogen peroxide were purchased for this research. For the preparation of rocket grade hydrogen peroxide, there are two methods: (i) atmospheric pressure boiling and (ii) below atmospheric pressure boiling. The results show that …
Published in Journal of Aerospace Engineering & Technology · Vol. 2, Issue 2, 2012 · pp. 1–8 Read article
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Study on CdS Nanoparticles and Nanocrystalline Thin Films Synthesized by Chemical Bath Deposition Technique
Abstract: Normal 0 false false false EN-US X-NONE X-NONE Cadmium Sulfide (CdS) nanoparticles and nanocrystalline thin films were synthesized by chemical bath deposition technique at room temperature. The elemental composition of the as-grown CdS nanoparticles and nanocrystalline thin films were determined by energy dispersive analysis of X-rays (EDAX). Crystallite size and lattice parameter were determined from X-ray diffractogram whereas transmission electron microscopy (TEM) image gave particle size and the selected area …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 1, Issue 3, 2011 · pp. 8–15 Read article
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Combustion Synthesis of NiO-YSZ Precursor Nanocomposites for SOFC Anode and Its Characterization
Abstract: In the present work, the mixture of Nickel Oxide-Yttria Stabilized Zirconia (NiO-YSZ) composites of composition, mNiO–(1–m) Zr0⋅9Y0⋅1 O1⋅95 (m = 0⋅4), anode materials was synthesized by combustion process using glycine as fuel and nitrate as oxidizer. The study of prepared nanocomposites has been done by Fourier transform infrared spectroscopy (FTIR), differential thermal analysis-thermo gravimetric analysis (DTA-TGA), X-ray diffraction (XRD) and scanning electron microscopy (SEM) to determine the powder properties. The …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 2, Issue 3, 2012 · pp. 1–9 Read article
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Simple Hydrothermal Synthesis and Morphological Study of Magnetic Nanoparticles
Abstract: Magnetite (Fe3O4) nanoparticles were synthesized using FeCl3•6H2O or FeCl2•4H2O with 5 or 8 mmol concentration and 3 or 5 h incubation time with the constant pH (7.5) by simple hydrothermal decomposition and then transferred them into maghemite (γ-Fe2O3) and hematite (α-Fe2O3). Precisely, the objectives of the study were to evaluate the influences of salt type, its concentration and incubation time on the morphology of the as-synthesized magnetic nanoparticles. Synthesized nanoparticles …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 4, Issue 2, 2014 · pp. 14–22 Read article
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Production of Poly Hydroxybutyrate from Bacillus megaterium and its Conjugation with Nanoparticles to Determine the Antibacterial Activity
Abstract: Plastics have become an important part of modern life and are used in different sectors of operations like packaging, building materials, consumer products etc. Presently plastics and synthetic polymers are mainly produced by using the petrochemical material that cannot be decomposed easily. Thus they contribute to the environmental pollution. The increased cost of solid waste disposal as well as the potential hazards from incineration of wastes makes synthetic plastic waste …
Published in Research and Reviews : A Journal of Biotechnology · Vol. 1, Issue 1, 2011 · pp. 126–132 Read article
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Multiport Bidirectional DC-DC Converter for Hybrid Energy Storage Systems
Abstract: Multiport DC-DC converters are widely used in hybrid energy generation systems, microgrids and electric vehicles to provide stable power to key loads with high power density. In this project, a multiport isolated bidirectional DC-DC converter is anticipated for hybrid energy storage system in microgrids. Microgrids are connected to the nearby renewable energy generation systems as solar, wind, etc. These systems do not provide pure DC voltage for conversion into AC …
Published in Journal of Power Electronics and Power Systems · Vol. 5, Issue 1, 2015 · pp. 9–13 Read article