Search Results - "Jeyakumar, S"

Numerical calculations of spectral turnover and synchrotron self-absorption in CSS and GPS radio sources by Jeyakumar, S.

“…The dependence of the turnover frequency on the linear size is presented for a sample of Giga-hertz Peaked Spectrum and Compact Steep Spectrum radio sources…”
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Synthesis and enhanced photocatalytic property of Ni doped ZnS nanoparticles by Jothibas, M., Manoharan, C., Johnson Jeyakumar, S., Praveen, P., Kartharinal Punithavathy, I., Prince Richard, J.

“…[Display omitted] •Nanocrystalline Ni doped ZnS was prepared by Solid state reaction method.•Phase; mean crystallite size and lattice parameters were…”
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A sol-gel approach to the synthesis of CuO nanoparticles using Lantana camara leaf extract and their photo catalytic activity by Arunkumar, B., Johnson Jeyakumar, S., Jothibas, M.

“…•Photocatalytic Activity.•CuO nanoparticle is used to effectively react in solar light.•It performed fast degradation of methylene blue dye.•This project is…”
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Estimation of synergetic effects of CO2 in high ash coal-char steam gasification by Jayaraman, K., Gökalp, I., Jeyakumar, S.

“…•Pyrolysis heating rate of coal affects the char structure.•Steam and CO2 gasification rate varied based on char production methods.•Gasification rate…”
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Surface modification of coral skeleton derived nanohydroxyapatite using polymers and its in-vitro studies for bone substitute applications by Sindhya, A., Johnson Jeyakumar, S., Jothibas, M., Pugalendhi, P., Vigneshwaran, B.

“…Reprocessing waste things into a functional product gives two-edged benefits, an eco-friendly environment and waste management. Nowadays, Ceramic materials…”
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Synthesis, characterization of undoped and copper-doped hafnium oxide nanoparticles by sol–gel method by Mahendran, N., Johnson Jeyakumar, S., Jothibas, M., Ponnar, M., Muthuvel, A.

“…In this paper, we report that hafnium oxide nanoparticles with different copper contents (0.00, 0.02, 0.04, and 0.06%) are successfully synthesized by sol–gel…”
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Synthesis and characterization of nanohydroxyapatite (nHAp) from Meretrix Meretrix Clam shells and its in-vitro studies for biomedical applications by Sindhya, A., Johnson Jeyakumar, S., Jothibas, M., Pugalendhi, P.

“…Recycling of massive waste into valuable products promotes two in one advantages of waste recovery and a pollution-free environment. Preparation of…”
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Impact of lanthanum ions on magnetic and dielectric properties of cobalt nanoferrites by Kartharinal Punithavathy, I., Rajeshwari, A., Johnson Jeyakumar, S., Lenin, N., Vigneshwaran, B., Jothibas, M., Arunkumar, B.

“…Lanthanum-doped cobalt nanoferrites CoLa X Fe 2− X O 4 ( X  = 0.00 to 0.08) were synthesized by using sol–gel method. A cubic spinel structure was confirmed by…”
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Metabolic and immunological changes in transition dairy cows: A review by Wankhade, Pratik Ramesh, Manimaran, A, Kumaresan, A, Jeyakumar, S, Ramesha, K P, Sejian, V, Rajendran, D, Varghese, Minu Rachel

“…Smooth transition from pregnancy to lactation is important for high productive and reproductive performance during later postpartum period in dairy animals. On…”
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Preparation and analysis of pure and surface modified nanohydroxyapatite derived from eggshells and its in-vitro studies for bone graft applications by Johnson Jeyakumar, S., Sindhya, A., Jothibas, M., Pugalendhi, P., Sathiyamoorthy, K.

“…The need and significance for quality bone graft substitute increases due to the worldwide increment in the health problems such as osteoporosis, accidental…”
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Analysis of the magnetic possessions of α-Fe2O3 and the stimulation of α-Fe2O3 by Zn doping at different weight ratios by Arunkumar, B., Jothibas, M., Jeyakumar, S. Johnson, Jeyaseelan, S. James

“…In recent years, the need for nanosized magnetic materials together with improved optical property has increased enormously. Pure and Zn-doped α-Fe 2 O 3…”
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A comparative study of surface modified nanohydroxyapatite using PVA polymer extracted from Seashells, Coral Skeletons and Eggshells for biomedical applications by Johnson Jeyakumar, S., Sindhya, A., Jothibas, M.

“…The necessity and usage of hydroxyapatite in the form of bone and dental substitutes are increasing day by day. Hydroxyapatite derived from natural…”
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Study on structural and optical behaviors of In2O3 nanocrystals as potential candidate for optoelectronic devices by Jothibas, M., Manoharan, C., Johnson Jeyakumar, S., Praveen, P.

“…Pure indium oxide (In 2 O 3 ) nanoparticles was synthesized by an inexpensive and solid state reaction method using indium nitrate in muffle furnace at 400 °C…”
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Metallurgical and mechanical properties of marine grade AA5356 using wire arc additive manufacturing by A, Muthukumaran, Jeyakumar, S, Jayakumar, K

“…Abstract In the current work, a Gas metal arc welding (GMAW)-based Wire Arc Additive Manufacturing (WAAM) procedure was used to build a wall construction of…”
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Hybrid hyperspectral image compression technique for non-iterative factorized tensor decomposition and principal component analysis: application for NASA’s AVIRIS data by S, Jeyakumar, S, Sudha

“…Remote sensing data has shown tremendous potential for applications in various fields like land use mapping and detection, geologic mapping, water resource…”
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Prediction of cutting force, tool wear and surface roughness of Al6061/SiC composite for end milling operations using RSM by Jeyakumar, S., Marimuthu, K., Ramachandran, T.

“…The results of mathematical modeling and the experimental investigation on the machinability of aluminium (Al6061) silicon carbide particulate (SiCp) metal…”
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Secretary's Appraisal by Jeyakumar, S

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Structural, optical and electrical properties of copper composite ZrO2 nanoparticles prepared via sol–gel method by Mahendran, N., Jeyakumar, S. Johnson, Ponnar, M.

“…In the present work, pure and copper composite zirconium oxide nanoparticles with a different percentages of copper (0.02, 0.04, 0.06 and 0.08%) were…”
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Optical and magnetic investigation of Cu doped ZnO nanoparticles synthesized by solid state method by Vasudevan, J., Johnson Jeyakumar, S., Arunkumar, B., Jothibas, M., Muthuvel, A., Vijayalakshmi, S.

“…The pure and different parentage of copper doped ZnO nanoparticles were synthesized by solid state method. The synthesized nanoparticles were characterization…”
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Mastitis effects on reproductive performance in dairy cattle: a review by Kumar, Narender, Manimaran, A., Kumaresan, A., Jeyakumar, S., Sreela, L., Mooventhan, P., Sivaram, M.

“…The reproductive performance of dairy animals is influenced by several factors, and accumulating lines of evidence indicate that mastitis is one of the…”
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