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1628 articles for “C ratio”
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A Novel Technique for Improvement in Front-to-Back Ratio of MSA for WLAN/WiMAX using Corrugated Dielectric Substrate as a Reflector
Abstract: In this paper the design of a microstrip antenna (MSA) with corrugated dielectric reflector is proposed to improve the front-to-back ratio (FBR) and reduce the back lobes in radiation pattern of the antenna. The designed antenna operates at 5.8 GHz and simulated on CSTMWS’10 software. Simulation results show that proposed antenna has 21.8 dB higher FBR than that of conventional MSA.
Published in Journal of Electronic Design Technology · Vol. 6, Issue 1, 2015 · pp. 25–29 Read article
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Minimizing the Sand Casting Defects Using Taguchi Method
Abstract: The global market is becoming more and more quality conscious now a days. This Research work includes minimization of sand casting defects in C.I. based foundry. The survey was carried in small scale CI based foundry (Surat). Major defects were observed are misrun, coldshut, blowholes, and porosity. Taguchi method is used to optimize the control parameters like moisture, permeability, pouring time, pouring temperature. L18 orthogonal array is used in this …
Published in Trends in Mechanical Engineering & Technology · Vol. 6, Issue 3, 2016 · pp. 14–17 Read article
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Formulation of Balanced Ration of Buffaloes
Abstract: Research work in animal nutrition has resulted in a better understanding of a balance of nutrients for optimum utilization of feeds in animal production. This knowledge if transferred to farm practice will show positive result in both livestock production and conservation of feed supplies. A balanced ration consists of carbohydrates, proteins, minerals and vitamins. Out of these factors, considering only one or two in feed formulation will alter the health …
Published in Research and Reviews : Journal of Dairy Science and Technology · Vol. 7, Issue 2, 2018 · pp. 5–10 Read article
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Magnitude of Premarital Sex and Associated Factors among Preparatory School Students in Alamata Town, North Ethiopia, 2014
Abstract: Worldwide adolescents, both boys and girls, are physically mature earlier and the age at which people marry is rising. These leave a widening of gap time during which adolescents can potentially engage in unprotected and unsafe premarital sex. The purpose of this study was to assess the magnitude of premarital sex and associated factors among Alamata preparatory school students, Northern Ethiopia. A school-based, cross-sectional study was conducted in Alamata town …
Published in Research and Reviews: A Journal of Health Professions · Vol. 6, Issue 2, 2016 · pp. 12–20 Read article
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Optimizing Pervious Concrete Mix Design for Sustainable Urban Pavements
Abstract: This research explores the comprehensive evaluation of pervious concrete, with a focus on sustainability and performance enhancement. It investigates various factors influencing pervious concrete properties, including cement content, aggregate sizes, water-cement ratio (w/c), and the incorporation of chemical admixtures. The study establishes that an optimal cement content range of 350 kg/m3 to 375 kg/m3 is most effective in achieving the desired balance between workability and essential properties. The research also …
Published in Trends in Transport Engineering and Applications · Vol. 10, Issue 2, 2023 · pp. 23–28 Read article
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Experimental Investigation on Ferrocement Slab Using Steel Fibres and Different Sands
Abstract: Ferrocement is defined as wire mesh reinforcement impregnated with mortar to produce elements of small thickness. An experimental study has been carried out to study the effect of different compositions of cement mortar using 10% fly ash and different percentage of 6–8% silica fumes with two types of sands such as Badarpur sand and river sand and show the effect of load versus deflection curve and flexural strength of ferrocement …
Published in Journal of Structural Engineering and Management · Vol. 4, Issue 2, 2017 · pp. 27–30 Read article
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Design and Analysis of Two Stage Fully Differential Telescopic Operational Amplifier and Two Stage Fully Differential Folded Cascode Operational Amplifier
Abstract: This paper presents a design methodology of a two stage fully differential telescopic operational amplifier. Similar analysis is carried out for the two stage folded cascode operational amplifier and results are compared at 180 nm technology node. Here effort is made to make the unity gain frequency and the slew rate same of both the respective two stage amplifiers. The purpose of such an effort is to carry out a …
Published in Recent Trends in Electronics Communication Systems · Vol. 2, Issue 2, 2015 · pp. 7–19 Read article
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Modeling and Analysis of the Impact of Natural Gas Composition Variations on Combustion in a Dual Fuel Compression Ignition Engine
Abstract: The desire to meet rising energy demands while simultaneously adhering to stringent climate policies has propelled advanced combustion technologies and alternative fuels. Natural gas (NG) is an attractive, domestically-available alternative that has been shown to achieve high efficiencies when used on dual fuel engines. However, the composition of NG can vary significantly depending on the source and these variations may detrimentally impact engine operation. To study these effects, a dual …
Published in Journal of Automobile Engineering and Applications · Vol. 5, Issue 2, 2018 · pp. 1–14 Read article
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Producer Gas Generation by Utilizing Paddy Straw as a Biomass Feedstock in an Open Core Downdraft Gasifier
Abstract: In present day scenario, the burning of paddy straw seriously affects the environment in India. This paper research work is utilized to solve the above-mentioned problem. In this research work, a downdraft gasifier is used for the gasification process of paddy straw for generating Producer gas (PG). The process is carried out with air as gasifying agent. The gas composition, calorific value, temperature, and efficiency are taken as performance characteristics …
Published in Journal of Polymer & Composites · Vol. 12, Issue 3, 2024 · pp. 301–310 Read article
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Sub-watershed wise Runoff Modeling using Drainage Morphometric Analysis in Karur District, Tamil Nadu, India through Remote Sensing and GIS Techniques
Abstract: Morphometric examination, being extensively used to evaluate the drainage individuality and have been found to be a helpful tool to identify areas runoff prone sub-watersheds in this current study. Remote Sensing and Geographical Information System has been demonstrated as successful apparatus in the demarcation of drainages and sub-watersheds boundary and morphometric investigations of sub-watersheds. The current study integrates a morphometric study of 68 sub-watersheds of Karur District, Tamil Nadu, India. …
Published in Journal of Remote Sensing & GIS · Vol. 10, Issue 2, 2019 · pp. 52–65 Read article
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Groundwater Quality and Its Suitability Assessment for Irrigation and Drinking in Different Aquifers of Faridpur, Bangladesh
Abstract: Abstract Thirty five groundwater samples were collected to appraise the chemical constituents in order to classify them on the basis of their suitability for irrigation and drinking. The considered water quality parameters are pH, EC, TDS, calcium, magnesium, sodium, potassium, iron, manganese, boron, sulphate, bicarbonate, chloride, sodium adsorption ratio, residual sodium carbonate, soluble sodium percentage, Kelly’s ratio, magnesium percentage and hardness. All the water samples were neutral to slightly alkaline …
Published in Journal of Water Pollution & Purification Research · Vol. 2, Issue 3, 2015 · pp. 5–14 Read article
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Investigation of Optimum Stress Concentration Factor for Shoulder Fillet in Round Bar under Different Loading Conditions
Abstract: The focus of this study is to investigate the optimal fillet radius of shoulder fillet in round bar which gives minimum stress concentration factor under different loading conditions i.e. torsional, bending and axial. Peterson’s curves were developed based on experimental work and analytical work carried out by number of researchers in the past. In that curves it is stated that the r/d ratios in the curves were taken from the …
Published in Trends in Mechanical Engineering & Technology · Vol. 8, Issue 2, 2018 · pp. 18–26 Read article
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Investigating Effect of Geometrical Parameters on Negative Poisson’s Ratio of S-shaped Auxetic Structure
Abstract: Auxetic material is developed to trim down weight and upsurge strength of the matter, whichleads to negative Poisson’s ratio. Current research is focused on auxetic strength, hence in thiswork parametric influence of S-shaped unit cell on Poisson’s ratio is explored and results arecompared with finite element analysis. Parameters like Angle, Thickness and Aspect ratio arecompared and concluded that they have individual significance on Poisson’s ratio. TheS-shaped auxetic structure is analysed …
Published in Trends in Opto-electro & Optical Communication · Vol. 10, Issue 3, 2020 · pp. 5–11 Read article
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Free Vibration Analysis of Thin Circular and Annular Plate with General Boundary Condition
Abstract: This paper presents a numerical analysis of free vibration of thin circular and annular plate using finite element method. The first five natural frequencies are presented for uniform annular plates of various inner-to-outer radii ratios, with nine possible combinations of free, clamped and simply supported boundary conditions at the inner and outer edges of plates. The accuracy of the method is established by comparing the results available in the literature. …
Published in Journal of Structural Engineering and Management · Vol. 2, Issue 2, 2015 · pp. 25–34 Read article
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Co-toxicity of Pyrethroid Mixtures against Field and Laboratory Reared Populations of Lipaphis erysimi Kalt. (Aphididae: Homoptera)
Abstract: AbstractCo-toxicity of fenpropathrin with deltamethrin 10 EC, esfenvalerate 5.5 EC, λ-cyhalothrin 2.5 EC and β-cyfluthrin was evaluated in field-collected and laboratory-reared populations of Lapaphis erysimi Kalt. Field population was found to be resistant to all these types of pyrethroids and RR (resistance ratio) was 31, 33, 33, 16 and 16 to fenpropathrin, deltamethrin, esfenvalerate, cyhalotiirn and β-cyfluthrin, respectively. Mixture of fenpropathrin with deltamethrin, esfenvalrate, λ-cyhalothirn and β-cyfluthrin in 1:1 ratio. …
Published in Research and Reviews : Journal of Crop science and Technology · Vol. 4, Issue 1, 2015 · pp. 28–33 Read article
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Practical Strategies to Mitigate Acidosis in Dairy Cattle: Implications of Nutritional, Genetic, and Management Practices
Abstract: Acidosis in dairy cattle remains a critical concern, adversely affecting rumen health, milk production, and overall animal welfare. This study investigates practical strategies to mitigate acidosis through integrated nutritional, genetic, and management approaches. Nutritional strategies emphasize balancing forage-to-concentrate ratios, providing adequate fiber, and utilizing feed additives such as buffers, probiotics, and yeast cultures to stabilize rumen pH. The importance of gradual dietary transitions and monitoring total mixed ration (TMR) composition …
Published in Research and Reviews: A Journal of Microbiology and Virology · Vol. 15, Issue 2, 2025 · pp. 27–44 Read article
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Enhanced Thermal Stability and Thermophysical Properties of High Density Polyethylene Based Polymer Composite Synthesized Through Compression Moulding Route
Abstract: Polymer composite materials attract researchers as polymers can be filled with different fillers to get desired properties. Thermophysical properties of HDPE-silicon composite is reported in the present study. HDPE-Si composite was synthesized by hot compression and molding technique for different silicon volumetric ratio. Thermal conductivity as well as thermal diffusivity was found to be enhanced significantly on increasing the filler volumetric ratio. Thermal conductivity value for 20 volume % composite …
Published in Journal of Polymer & Composites · Vol. 11, Issue 5, 2023 · pp. 1–16 Read article
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A review of the employing of Wavelet transforms and Classifier Artificial intelligence (AI) methods for detecting power transmission difficulties
Abstract: Power systems use large interconnections to transmit and distribute electric power. For power transmission, the same voltage levels are used for minimum transmission losses. During power transmission faults may occur due to natural events such as lightning, strong wind, fire etc. Faults may occur between phase conductors to ground or between the phase conductors. Transmission line protection has been performed using the comparison of voltages and currents and activates the …
Published in Journal of Power Electronics and Power Systems · Vol. 14, Issue 2, 2024 · pp. 36–41 Read article
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A Review on Zinc Oxide Nanoparticles Based on Photocatalytic Activity
Abstract: The Zinc Oxide (ZnO) is a photocatalyst which is available for photoreaction system by using the metal oxide (MO) degradation present ultraviolet irradiation at high temperature. The removal rate of metal oxide (MO) was observed in zinc oxide has been reached up to 99.73, 99.29 and 99.70%. The composite ratio was increased from 2:1 to 4:1 after 30 minutes and continuously this ratio was also increased up to 5:1. Hence …
Published in Research and Reviews : Journal of Computational Biology · Vol. 8, Issue 1, 2019 · pp. 13–25 Read article
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Study The Effect on Bit Error Rate (BER) for Elevated Signal to Noise Ratio (SNR) in IOT Based Systems Using Cooperative Communication
Abstract: AbstractCooperative communication is the future of wireless and mobile communication. The diversity antenna technology that can be utilized by cooperative communication can improve the quality of the signal received by a mobile. The mobile nodes can further improve signal quality by using multiple input multiple output systems. The cooperative communication is the best way to increase the availability of signals which has become very difficult after restrictions on the establishment …
Published in Current Trends in Signal Processing · Vol. 10, Issue 1, 2020 · pp. 8–14 Read article