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Energy Geoscience 2022年第2期3卷 172-181页

作者： Priyom Roy Ivaturi N.Rao tapas ranjan martha K.Vinod Kumar Geosciences Group National Remote Sensing CentreISROHyderabadIndia Environment&Sustainability Coastal Gujarat Power LimitedMundraGujaratInd

Thermal power plants are generally constructed near to sea coast to meet their requirement of coolingwater. The warm water discharge from the thermal power plant is one of the major environmentalconcerns in view of the thermal pollution in the sea water. The temperature limit for the warm waterdischarge from the thermal power plant has to be monitored and controlled. Coastal Gujarat PowerLimited (CGPL) operates (24×7) at an “once-through system” based sea water circulation for powergeneration. The used sea water is then discharged into the sea through an outlet channel. As per environmental norms, the discharge water temperature needs to be maintained below the stipulated “delta”rise (+7 ℃) with respect to ambient sea surface temperature at the inlet. We demonstrate the applicability of thermal remote sensing data in understanding the seasonal and temporal variations of thetemperature difference between the discharge water and the ambient sea water. We used thermal banddata from Landsat-8 satellite imagery to map water surface temperature and create temperature profilesalong the intake and outflow channels (till the sea), to understand the variation of temperature andestimate the “DT” between intake point and various observation points along the outflow. This analysiswas carried out for all 11 months (except June) of the year 2018 to correlate temperature variations withseasonal changes. Tidal conditions during the time of data acquisition were also considered to accountfor the effect of tides on DT. The result shows that the average temperature rise between intake andoutflow are maintained at ~3 ℃ across all the months of 2018, with minor variations in the months ofJuly and August. Further, average temperature drop from outflow to cooling channel (before diaphragm)is seen to be ~2 ℃ across all the months with similar seasonal fluctuations.

关键词： Discharge water Thermal power plant Ambient temperature Landsat 8 Seawater pollution

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Sustained dialysis with misplaced peritoneal dialysis catheter outside peritoneum:A case report

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World Journal of Clinical Cases 2022年第19期10卷 6501-6506页

作者： Quan-Quan Shen tapas ranjan Behera Liang-Liang Chen Doaa Attia Fei Han Kidney Disease Center The First Affiliated HospitalZhejiang University School of MedicineHangzhou 310003Zhejiang ProvinceChina Institute of Nephrology Zhejiang UniversityHangzhou 310003Zhejiang ProvinceChina Key Laboratory of Kidney Disease Prevention and Control Technology Hangzhou 310003Zhejiang ProvinceChina Nephrology Center Department of NephrologyZhejiang Provincial People’s HospitalThe Affiliated People’s HospitalHangzhou Medical CollegeHangzhou 310014Zhejiang ProvinceChina Taussig Cancer Institute Cleveland ClinicClevelandOH 44195United States

BACKGROUND In patients undergoing peritoneal dialysis(PD),catheter dysfunction is a common complication.A misplaced catheter is one of the reasons contributing to its dysfunction.The present study aimed to describe a case of misplaced PD catheter with an unusual location of the catheter tip.CASE SUMMARY A 61-year-old man undergoing PD for 4 years was investigated for progressive nausea and fatigue of 3 mo.Dialysis adequacy studies indicated inefficient dialysis.Imaging discovered that the PD catheter tip was mispositioned in the pelvic cavity with its tip outside the peritoneal cavity.Despite the dialysate accumulating outside the peritoneal cavity,the patient had not developed perineal or scrotal edema.The patient had experienced a sustainable prolonged dialysis efficacy in this case until the renal function deteriorated further in view of the poor dialysis outcome and worsening health condition.The patient was subsequently transitioned to hemodialysis.CONCLUSION Proper placement of the catheter in the peritoneal cavity should always be confirmed and rechecked when necessary in patients undergoing PD to ensure dialytic adequacy.

关键词： Peritoneal dialysis Peritoneal cavity Kidney Case report

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An efficient and comparative adsorption of Congo red and Trypan blue dyes on MgO nanoparticles: Kinetics, thermodynamics and isotherm studies

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Journal of Magnesium and Alloys 2021年第2期9卷 478-488页

作者： Barsharani Priyadarshini Tanaswini Patra tapas ranjan Sahoo Department of Chemistry School of Applied SciencesKIIT deemed to be UniversityBhubaneswar 24OdishaIndia

Cubic phase of Mg O nanoparticles were prepared by microwave-assisted combustion synthesis and investigated for the removal of toxic dyes like Congo Red(CR)and Trypan blue(TB).The crystallite size of the Mg O nanoparticle was calculated to be 18 nm from XRD pattern.The sample was further characterized by FTIR,TGA and FESEM techniques.The dyes were subjected to prototypical batch adsorption process,including investigation of different parameters like Mg O dosage,dye concentration,solution pH,agitation speed and temperature.It was found that,0.2 g of Mg O NPs showed maximum removal efficiency for both the dyes(more than 98%),having 25 ppm of dye concentration at an acidic p H(3–4).The maximum loading capacity of Mg O NPs was obtained to be 136 mg/g and 132 mg/g for CR and TB,respectively.Different thermodynamic parameters like△G^(0),△H^(0)and△S^(0)were measured.The negative△H^(0)and the positive△S^(0)values for both the dyes correspond to an exothermic process and an increase in randomness of the adsorbent and dye.The isotherm analysis exhibited that the Freundlich model fits better to the experimental equilibrium data,suggesting heterogeneous surface of the nanoparticles.Whereas,the kinetic data revealed a pseudo 2 nd order rate for adsorption process.

关键词： Adsorption Congo red Trypan blue MgO NPs Kinetics Isotherm

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Movable Au Microplates as Fluorescence Enhancing Substrates for Live Cells

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Nano Research 2010年第10期3卷 738-747页

作者： Boya Radha Mohammed Arif ranjan Datta tapas K.Kundu Giridhar U.Kulkarni Chemistry and Physics of Materials Unit and DST Unit on Nanoscience Jawaharlal Nehru Centre for Advanced Scientific ResearchJakkur P.O.Bangalore 560064India Molecular Biology and Genetics Unit Jawaharlal Nehru Centre for Advanced Scientific ResearchJakkur P.O.Bangalore 560064India International Centre for Materials Science Jawaharlal Nehru Centre for Advanced Scientific ResearchJakkur P.O.Bangalore 560064India

Hexagonal and triangular Au microplates extending over an area of~12,000μm^(2) with thickness in the range 30-1000 nm have been synthesized using a single step thermolysis of(AuCl_(4))^(-)-tetraoctylammonium bromide complex in air.The microplates are self-supporting and can be easily manipulated using a sharp pin,a property which enables them to serve as substrates for living cells.The microplate surface is non-toxic to living cells and can enhance the fluorescence signal from fluorophores residing within the cell by an order of magnitude.In addition,the microplates are smooth and single-crystalline,and ideal as microscopy substrates and molecular electrodes.The growth of the microplates in the initial stages is interesting in that they seem to grow perpendicular to the substrate,as evidenced by in situ microscopy.

关键词： Au microplates synthesis cell substrate metal enhanced fluorescence manipulation

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Steel Cord Skim Compound for Radial Tyre Based on Natural Rubber-Carbon Black-Organoclay Nanocomposites

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材料科学与工程（中英文B版） 2016年第6期6卷 259-276页

作者： tapas ranjan Mohanty Arup Kumar Chandra Vivek Bhandari Santanu Chattopadhyay Global R & D Centre Apollo Tyres Ltd. Oragadam Sriperumbudur 602105 Tamil Nadu lndia Rubber Technology Centre liT Kharagpur Kharagpur 721302 West Bengal India

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Vehicular Radio Scanner Using Phased Array Antenna for Dedicated Short Range Communication Service

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Journal of Electromagnetic Analysis and Applications 2012年第9期4卷 362-366页

作者： tapas Mondal Priyanka Shishodiya Rowdra Ghatak Sekhar ranjan Bhadra Chaudhuri 1Department of ECE Dr. B. C. Roy Engineering College Durgapur West Bengal INDIA Department of E&TCE Bengal Engineering and Science University Shibpur West Bengal INDIA Department of ECE Dr. B. C. Roy Engineering College Durgapur West Bengal INDIA Microwave and Antenna Research Laboratory Department of ECE National Institute of Technology Durgapur West Bengal INDIA

Now a day’s accidents are very common due to increased population of vehicle. In order to ensure safety measures in the vehicle this paper has proposed some methodologies regarding careful driving by automatically scanning and analyzing the blind spot area of an intelligent mobile vehicle. A vehicular antenna with minimum perturbation is proposed to be fitted on the vehicle and collect information of the concern area which would ensure visibility of the operator i.e. masked or integrated within the car body. This paper has dealt with the design of Tchebyscheff polynomial based prototype planar microstrip phased array antenna and also redesigned the same when implemented in the body of the car being considered as an electromagnetically large element. Both the design has been experimentally verified with the measurement. The simulated and the measured results in both the cases are found to be in good agreement. More than 11 dB gain was observed at perfectly 30° angles from its broad side direction as desired for blind spot detection with minimum amount of electromagnetic interference inside the car.

关键词： ntelligent Transportation System Microstrip Phased Array Antenna Tchebyscheff Polynomial Electromagnetic Interference

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