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construction of high-pressure adsorption isotherm:A tool for predicting coalbed methane recovery from Jharia coalfield,India

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International Journal of Mining Science and Technology 2019年第5期29卷 765-769页

作者： Mohammad Asif D.c.panigrahi Paul Naveen keka Ojha Department of Mining Engineering Indian Institute of Technology(ISM)Dhanbad 826004India Department of Petroleum Engineering Indian Institute of Technology(ISM)Dhanbad 826004India

Adsorption isotherm relates the gas storage capacity as a function of pressure at constant *** this paper,adsorption isotherm of two dry borehole samples was constructed in the laboratory using the manometric *** was measured for two gases,i.e.,cH4 and cO2 to pressure up to 8.4 *** the construction of sorption isotherm,coal was characterized by proximate,ultimate and petrographic *** gas content of these two samples was found 2.29 m3/t and 2.75 m3/*** images were obtained for the pore size distribution of coal using pore image *** of coalbed methane recovery from cH4 adsorption isotherm showed that these coalbeds are under ***2 isotherm was constructed to estimate enhanced coalbed methane(EcBM)*** wise cO2/cH4 sorption ratio was found 2.09 times to 2.75 times *** paper presents the interpretation of isotherm data to find the recovery factor of methane production from Jharia coalfield.

关键词： coalbed methane Adsorption isotherm Pore image analysis Gas content Jharia coalfield

Spatio-temporal variation and propagation direction of coal fire in Jharia coalfield,India by satellite-based multi-temporal night-time land surface temperature imaging

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International Journal of Mining Science and Technology 2021年第5期31卷 765-778页

作者： Narendra Singh R.S.chatterjee Dheeraj kumar D.c.panigrahi Department of Mining Engineering Indian Institute of Technology(Indian School of Mines)Dhanbad 826004India Geosciences Department Indian Institute of Remote SensingDehradun 248001India

In this paper,the spatio-temporal variation and propagation direction of coal fire were studied in the Jharia coalfield(JcF),India during 2006–2015 through satellite-based night-time land surface temperature(LST)*** LST was retrieved from Advanced Spaceborne Thermal Emission and Reflection Radiometer(ASTER)night-time thermal-infrared data by a robust split-window algorithm based on scene-specific regression coefficients,band-specific hybrid emissivity,and night-time atmospheric *** LST-profile-based coal fire detection algorithm was formulated through statistical analysis of the LST values along multiple transects across diverse coal fire locations in the JcF in order to compute date-specific threshold temperatures for separating thermally-anomalous and background *** algorithm efficiently separates surface fire,subsurface fire,and thermally-anomalous transitional *** the observation period,it was noticed that the coal fire area increased significantly,which resulted from new coal fire at many places owing to extensive opencast-mining *** was observed that the fire propagation occurred primarily along the dip direction of the coal *** places,lateral-propagation of limited spatial extent was also observed along the strike direction possibly due to spatial continuity of the coal seams along ***,the opencast-mining activities carried out during 2009–2015 and the structurally weak planes facilitated the fire propagation.

关键词： Satellite-based night-time imaging Land surface temperature coal fire Spatio-temporal variation Propagation direction Jharia coalfield

carbon Nanoparticle Exerts Positive Growth Effects with Increase in Productivity by Down-Regulating Phytochrome B and Enhancing Internal Temperature in Rice

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Rice science 2021年第3期28卷 289-300,I0026,I0028页

作者： Madhusmita PANIGRAHY Subhashree DAS Yugandhar POLI Pratap kumar SAHOO khushbu kUMARI kishore c.S.panigrahi School of Biological Sciences National Institute of Science Education and Research(Homi Bhabha National Institute)Odisha 752050India Biofuel&Bioprocessing Research center Institute of Technical Education and ResearchSiksha‘O’Anusandhan Deemed to be UniversityOdisha 751001India Indian Institute of Rice Research Rajendra NagarHyderabad 500030India School of Physical Science National Institute of Science Education and Research(Homi Bhabha National Institute)Odisha 752050India center for Interdisciplinary Science National Institute of Science Education and Research(Homi Bhabha National Institute)Odisha 752050India Faculty of Biology and Biotechnology Ruhr University BochumBochum 44780Germany

The effects of carbon nanoparticle(cNP)on rice variety Swarna(MTU7029)were *** induced effects similar to shade avoidance response(SAR)of Arabidopsis,with increase in shoot length,root length,root number,cotyledon area,chlorophyll content and total sugar content in rice *** mature plants,cNP treatment resulted increase in plant height,number of productive tillers per plant,normalized difference vegetation index,quantum yield and root growth.A total of 320 mg of cNP per plant administered in four doses resulted in improved grain traits such as filled grain rate,100-grain weight,grain length/width ratio,hulling rate,milling rate and head rice *** from the cNP-treated plants showed increase in amylose,starch and soluble sugar contents compared to ***,cNP treatment showed an average of 17.5%increase in yield per *** investigation to the molecular mechanism behind cNP induction of SAR,a significant downregulation of phytochrome B transcript was *** in perception of red wavelengths led to responses similar to *** in plant’s internal temperature by 0.5ºc±0.1ºc was recorded after cNP *** suggest that the internalized cNP aggregates may serve to absorb extra photons thereby increasing the internal temperature of *** B accounts the hike in internal temperature and initiates a feed-back reduction of its own *** suggest that moderate SAR is beneficial for rice plants to improve agronomic traits and *** presents a potential non-transgenic method for improving rice yield by cNP treatment.

关键词： agronomic trait carbon nanoparticle flowering time rice grain quality phytochrome B yield shade avoidance response temperature sensing

晚期折返过程含石墨流体包裹体及其意义：以印度两个不同地体为例

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岩石学报 2007年第1期23卷 53-64页

作者： M.k.panigrahi S.Gupta Department of Geology & Geophysics I.I.T.Kharagpur721302India

Archean greenstone belts and Proterozoic granulite mobile belts are products of fundamentally different tectonic processes that culminated in different levels of crustal *** present study focuses on graphite-bearing fluid inclusions from two such terrains in India,the Angul domain of Eastern Ghats Mobile Belt and Hutti-Maski schist belt of the eastern Dharwar greenstone-granite *** beth cases,a high population of such inclusions within the fluid inclusion assemblage rules out the possibility of graphite being a captive phase,and instead confirms that it was deposited by the fluid within the inclusion *** is usually observed to be occurring with either pure water or a pure carbonic( cO_2 only)liquid,or with a cH_4 dominated carbonic liquid without vapor at room *** precipitation in inclusions is brought about by reaction of the cO2 and cH4 trapped as a homogeneous fluid to give rise to H_2O and c(graphite).Molar volume calculations for the cO_2-cH_4 mixture assuming an appropriate PVTX relationship indicates that there is a substantial increase in volume with decreasing pressure at a given *** reaction producing graphite and H_2O from cH_4 and cO_2 involves substantial volume reduction,and hence would be favored when the rock undergoes rapid ***-beating inclusions in quartz in a late-stage leucosome from migmatites in the Angul domain of the EGMB are accompanied by other fluid inclusion evidence for isothermal *** the Hutti-Maski schist belt of the eastern Dharwar craton,graphite-bearing inclusions occur in structurally controlled quartz veins(often auriferous)within metamorphosed mafic volcanics(schists and amphibolites).The Raman spectra indicate that graphites in fluid inclusions from the Hutti-Maski schist belt have both ordered(O)and the disordered(D)peaks,whereas those from the Angul area of EGMB lack the disordered(D)peaks, with both having perfectly symmetrical‘S’*** impl

关键词：印度晚期折返过程石墨流体包裹体意义

Transmission in mobile cloudlet systems with intermittent connectivity in emergency areas

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Digital communications and Networks 2018年第1期4卷 69-75页

作者： chhabi Rani panigrahi Joy Lal Sarkar Bibudhendu Pati Department of computer Science Central University of Rajasthan Rajasthan India Department of computer Science and Engineering C.V. Raman College of Engineering Bhubaneswar India

The recent development of Mobile cloud computing has helped in solving numerous real-life problems. The rate of growth of mobile devices has been increasing at a very high pace. Mobile devices have made substantial contributions in managing emergency situations. Owing to the mobility of mobile devices, cloudlets, and their intermittent connectivity, it may become very difficult to handle emergency situations. To address this problem, a transmission model is proposed for mobile cloudlet systems, where a mobile device is used to designate a cloudlet by using the Borda scores Method and the mobile device can offload a part of its application to this cloudlet. The simulation results demonstrated that the proposed work makes a significant comtribution toward alleviating the problems associated with emergency situations.

关键词： Mobile cloudlet systems Emergency areas BSM RINIL

Dilatometric Sintering of Ti-2A1 and Ti-5AI Elemental Powders

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Journal of Materials Science & Technology 2007年第3期23卷 363-366页

作者： Bharat B.panigrahi N.Subba REDDY karabi DAS M.M.GODkHINDI Department of Metallurgical and Materials Engineering Indian Institute of Technology Kharagpur

The effect of Al addition （2 and 5 at. pct） on sintering kinetics of Ti power were investigated. Al reduces the sintering rates, sinter density, increases activation energy of sintering and accelerates the grain growth. Sintering was controlled by mixed mode, i.e. transient liquid phase sintering, formation of intermetallics, and Ti grain boundary diffusion in TiAl2 and other intermetallics.

关键词： Dilatometry Sintering Diffusion Activation energy

coefficient Inequalities for p-Valent Functions

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Analysis in Theory and Applications 2018年第2期34卷 112-126页

作者： T.panigrahi R.N.Mohapatra Department of Mathematics School of Applied SciencesKIIT Department of Mathematics University of Central Florida

In the present paper, the authors introduce a new subclass of p-valent analytic functions with complex order defined on the open unit disk U={z:z∈c and |z|<1} and obtain coefficient inequalities for the functions in ... 详细信息

In the present paper, the authors introduce a new subclass of p-valent analytic functions with complex order defined on the open unit disk U={z:z∈c and |z|coefficient inequalities for the functions in these class. Application of these results for the functions defined by the convolution are also obtained.

关键词： p-valent function subordination coefficient inequalities convolution

Tissue-specific trace elements concentration and human health risk assessment in three marine fish species from Visakhapatnam to kakinada coasts

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Radiation Detection Technology and Methods 2023年第4期7卷 611-626页

作者： A.Jaya Sree A.Srinivasulu Tanushree panigrahi B.Aruna Jaganmoy Biswas A.D.P.Rao Department of Nuclear Physics Andhra UniversityVisakhapatnamAndhra PradeshIndia Department of chemistry Gitam UniversityVisakhapatnamAndhra PradeshIndia UGc-DAE consortium for Scientific Research KolkataIndia

Purpose The current study was aimed to evaluate the bioaccumulation of elements(As,cd,cu,Fe,Mn,Se and Zn)in the gills,liver and muscle of three distinct marine fish species,namely Nemipterus japonicas,Upeneus vittatus and Pampus argenteus species were collected from Visakhapatnam to kakinada coastal *** The fish tissues were analyzed for trace metals using energy-dispersive X-ray fluorescence(EDXRF).To ensure the quality control,reliability of the experimental validation,two certified reference materials(cRMs)procured from National Institute of Standards and Testing(NIST SRM 1577c-Bovine Liver)and European commission-Joint Research centre,Institute for Reference Materials and Measurements(ERMBB422-Fish muscle)were analyzed using *** The evaluated estimated daily intake(EDI)values for each metal are below the reference dose levels established by World Health Organisation(WHO).The target hazard quotient(THQ)values of both the locations of the present study are lower than one(cept for arsenic and the combined target hazard quotient(cTHQ)values are higher than one(>1)showing the presence of health *** cancer risk(cR)factor value for arsenic was below the acceptable lifetime carcinogenic risk(10^(–5)).The levels of heavy metals varied significantly among three fish species and *** mean concentrations of As,cd,cu,Fe,Mn,Se and Zn were slightly higher than the Ministry of Agriculture,Fisheries and Food(MAFF),Food and Agriculture Organization(FAO),Turkish food codex and Brazilian Legislation standard *** findings of this study revealed that muscles possessed the lowest concentrations mostly of all the metals when compared with liver and *** The study concluded that consumption of the muscle tissue may not pose severe health risk to human health but should be consumed moderately to prevent bioaccumulation of the metals especially As.

关键词： Health risk assessment Marine fish species-Trace elements Tissue specific

Unleashing the potential of morphotropic phase boundary based hybrid triboelectric–piezoelectric nanogenerator

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Journal of Materiomics 2024年第4期10卷 792-802页

作者： Sugato Hajra Aneeta Manjari Padhan Basanta kumar panigrahi Phakkhananan Pakawanit Zvonko Jagličić Naratip Vittayakorn Yogendra kumar Mishra Sanghoon Lee Hoe Joon kim Department of Robotics and Mechatronics Engineering Daegu Gyeongbuk Institute of Science and TechnologyDaegu42988Republic of Korea Department of Electrical Engineering Siksha O Anusandhan UniversityBhubaneswar751030India Synchrotron Research and Applications Division Synchrotron Light Research InstituteNakhon Ratchasima30000Thailand Institute of Mathematics Physics and Mechanics&Faculty of Civil and Geodetic EngineeringUniversity of LjubljanaJadranska191000LjubljanaSlovenia Advanced Materials Research Unit Department of ChemistrySchool of ScienceKing Mongkut's Institute of Technology LadkrabangBangkok10520Thailand Mads clausen Institute NanoSYDUniversity of Southern DenmarkAlsion 26400SønderborgDenmark Robotics and Mechatronics Research center Daegu Gyeongbuk Institute of Science and Technology(DGIST)Daegu42988Republic of Korea

Morphotropic phase boundary(MPB)-based ceramics are excellent for energy harvesting due to their enhanced physical properties at phase boundaries,broad operating temperature range,and ability to customize properties for efficient conversion of mechanical energy into electrical *** this work,Bi_(1–x)Na_(x)Fe_(1–x)Nb_(x)O_(3)(x=0.20,0.30,0.32 and 0.40,BNFNO abbreviation)based ceramics were synthesized using a solid-state route and blended with Polydimethylsiloxane(PDMS)to achieve flexible *** material characterization and energy harvesting were performed by designing a hybrid piezoelectric(PENG)-triboelectric(TENG)*** voltage and current of PENG,TENG,and hybrid bearing same device area(2 cm×2 cm)were recorded as 11 V/0.3μA;60 V/0.7μA;110 V/2.2μ*** strategies for enhancing the output performance of the hybrid device were evaluated,such as increased surface area(creating micro-roughness and porous morphology)and increasing electrode size and multi-layer hybrid device *** self-powered acceleration monitoring was demonstrated using the hybrid ***,the low-frequency-based wave energy is converted into electrical energy,confirming the usage of hybrid PENG-TENG devices as a base for battery-free sensors and blue energy harvesting.

关键词： Lead-free Acceleration Wave energy Morphotropic