Dipu Sukumaran

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After providing an introduction to active antenna systems (AAS) for cellular infrastructure, this paper presents power amplifier (PA) modules based on a balanced configuration of 2-8 fully integrated Doherty MMIC PAs. To our knowledge for the first time, a module with four Doherty MMIC PAs in a balanced configuration has been fabricated and tested. For a 10(More)
Several factors affect microorganism survival and distribution in the aquatic environment including humans and animal populations. Present study assessed the influence of physicochemical factors on the distribution of presumptive coliform along the stretch of River Ganga in West Bengal, India. Nevertheless, Ganga water is polluted by drainage waste released(More)
Phytoremediation is the natural ability of certain plants to bioaccumulate, degrade, or render harmless contaminants in soils, water, or air. In the present study, an attempt to have a comparative assessment of the efficiency of aquatic weeds like Typha latifolia, Eichhornia crassipes, Salvinia molesta and Pistia stratiotes to treat the effluents under(More)
The present study has been undertaken to evaluate the performance of wastewater treatment systems (WWTS) in three different districts (Kolkata, Howra and Hugli) in West Bengal, India. Performance of these wastewater treatment plants are essential parameter to be monitored as the treated effluent is discharged into River Ganga which is the National River of(More)
Thermodynamics characterization Sesame oil extraction by Acetone, Hexane and Benzene has been evaluated. The 120 hours experimental Data were described by a simple mathematical model. According to the simulation results and the essential criteria, Acetone is superior to other solvents but under certain conditions where oil extraction takes place Hexane is(More)
Thermodynamics characterization Sesame oil extraction by Acetone, Hexane and Benzene has been evaluated. The 120 hours experimental Data were described by a simple mathematical model. According to the simulation results and the essential criteria, Acetone is superior to other solvents but under certain conditions where oil extraction takes place Hexane is(More)
The present study is an attempt to have a comparative assessment of the efficiency of aquatic weeds like Typha latifolia, Eichhornia crassipes, Pistia stratiotes to treat the effluents from latex factory, in constructed wetlands. Ammonification of field latex, acid coagulation of skim latex and various chemical treatments during the production process of(More)
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