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Now showing items 1-20 of 344

Studies on Treatment of Wastewater in a Reserved Jet Loop Reactor: Part I - Hydrodynamics and Residence Time Distribution Studies

Sharma, A. K. (IJEP, 1992)
Phase transformations in sol-gel prepared PZT and PLT thin films upon isothermal treatments at different temperatures

Roy, Banasri (Taylor & Francis, 1998-08-24)

Phases formed upon isothermal treatments of sol-gel prepared PZT andPLT films at different temperatures have been determined. In PZT, the sequence of phase formation with increased temperature is found to be: Amorphous → ...
Effect of rare earth doping on sol-gel derived PZT thin films

Roy, Banasri (Taylor & Francis, 2000-09-04)

We have studied the effect of rare earth dopants (Nd, Gd and Ce) on the phase formation behavior and electrical properties of sol-gel derived Pb1.05(Zr0.53Ti0.47)O3 thin films. In all these films the perovskite phase is ...
Raman scattering and x-ray diffraction studies of rare earth-doped Pb0.90La0.15TiO3 thin films prepared by the sol–gel method

Roy, Banasri (Wiley, 2000-11-07)

The structural modification and phase transition in rare earth (Gd3+ and Ce3+)-doped Pb0.90La0.15TiO3 films, prepared by the sol–gel technique on Pt substrates, were studied utilizing x-ray diffraction and micro-Raman ...
Effect of acceptor and donor dopants on polarization components of lead zirconate titanate thin films

Roy, Banasri (AIP, 2001-01-11)

ABSTRACT We have compared the magnitudes of reversible and irreversible polarization components of sol–gel-derived Nd3+- and Fe3+-doped PZT (53/47) thin films on platinized silicon substrates. Beyond the switching field, ...
Effect of neodymium (Nd) doping on the dielectric and ferroelectric characteristics of sol-gel derived lead zirconate titanate (53/47) thin films

Roy, Banasri (AIP, 2001-01-12)

The results of the studies on the effect of rare earth Nd doping on the phase formation behavior and electrical properties of sol-gel derived Pb1.05(Zr0.53Ti0.47)O3 (PZT) thin films are presented. The perovskite phase is ...
Investigation on the Dielectric and Polarization Behavior of Sol-Gel Derived Erbium Doped Pb(Zr 0.53 Ti 0.47 )O 3 Thin Films

Roy, Banasri (Taylor & Francis, 2002)

We have studied the effect of Er 3+ doping on the dielectric and polarization hysteresis behavior of sol-gel derived Pb 1.05 (Zr 0.53 Ti 0.47 )O 3 thin films. Up to 1 at% Er doping, the dielectric constant of undoped PZT ...
A Framework for Implementation of Occupational Healthand Safety Management Systems in Process Industry

Kale, Samir R. (UDYOG PRAGATI JOURNAL, 2003)

The paper throws light on understanding the proactive role that Occupational, Health and Safety (OH&S) plays in process related unit operations. It focuses on various hazardsoccuring in workplace of a process industry and ...
Non-vacuum and PLD growth of next generation TCO materials

Roy, Banasri (Elsiever, 2003-12-15)

Transparent conducting oxides represent a key component in a number of important opto-electronic technologies. The demand for improved materials is increasing. It is increasingly important to develop improved materials and ...
Application of Wavelet Transform in Controls: A Review

Mohanta, Hare Krishna (IUP, 2005-03)

Wavelet analysis is an emerging field of mathematics that has provided new tools and algorithms suited for the type of problems encountered in process monitoring and control. In this paper, a review is presented for the ...
Modeling And Simulation Of Fixed Bed Adsorption Column: Effect Of Velocity Variation

Gupta, Suresh (iManager, 2005-08)

The kinetic behavior of a fixed-bed adsorber can be explained and the characteristic breakthrough curve of the adsorption phenomena can be obtained through mathematical models. In the earlier models, the kinetics is explained ...
Simulation Studies on Transient Model for Biofilter operated in Periodic Mode

Raghuvanshi, Smita (JET, 2006)

Biofiltration of off-gases containing Volatile Organic Compounds (VOCs) is a reliable and cost effective technology for VOCs removal. Due to many inherent advantages, most of the industries operate biofilters under the ...
Rapid thermal annealing of hot wire chemical-vapor-deposited a-Si:H films: The effect of the film hydrogen content on the crystallization kinetics, surface morphology, and grain growth

Roy, Banasri (AIP, 2006-01)

The ability to crystallize thin amorphous Si layers into large grain Si can lead to significant improvements in Si solar cells and thin-film transistors. Here we report on the effect of the hydrogen content in as-grown ...
Improvement of the degradation characteristics of sol-gel derived PZT (53/47) thin films : Effect of conventional and graded iron doping

Roy, Banasri (Taylor & Francis, 2006-09-03)

Several approaches are evident in the literature to improve the fatigue resistance and lower the leakage current densities of PZT thin films for nonvolatile random access memory (NVRAM) application. We have undertaken ...
Modeling and Simulation of Reduction Zone of Downdraft Biomass Gasifier: Effect of Air to Fuel Ratio

Sheth, P.N. (JET, 2007)

Biomass mainly in the form of wood is the oldest form of energy used by humans. Biomass generally means a relatively dry solid of natural matter that has been specifically grown or has originated as waste or residue from ...
Two-step annealing of hot wire chemical vapor deposited a-Si:H films

Roy, Banasri (Springer, 2008)

A two-step annealing process was used to investigate the effect of dehydrogenation on crystallization and grain growth of low and high hydrogen content hot wire chemical vapor deposited (HWCVD) a-Si:H films. A low temperature ...
Adsorption of Cr(VI) using activated neem leaves: kinetic studies

Gupta, Suresh (Springer, 2008)

In the present study, adsorbent is prepared from neem leaves and used for Cr(VI) removal from aqueous solutions. Neem leaves are activated by giving heat treatment and with the use of concentrated hydrochloric acid (36.5 ...
Removal of heavy metal pollutants from wastewater using low cost absorbents

Gupta, Suresh (Atlantic, 2008-01)
Preparation and characterization of sol–gel derived copper–strontium–oxide thin films

Roy, Banasri (Elsiever, 2008-04-30)

P-type transparent conductive oxides have potential applications in photovoltaics, transparent electronics, and organic optoelectronics. In this paper, results are presented on the synthesis of Cu2SrO2 thin films, a p-type ...
Removal of Cr(VI) from wastewater using activated tamarind seeds as an adsorbent

Gupta, Suresh (ICE Publishing, 2008-07-30)

In the present study, an adsorbent was prepared from tamarind seeds and batch studies were conducted for Cr(VI) removal from aqueous solutions. Tamarind seeds were activated by heat treatment and with concentrated sulfuric ...

Now showing items 1-20 of 344

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