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Enhanced Archimedes Optimization Algorithm for Clustered Wireless Sensor Networks

Computers, Materials & Continua 2022年第10期73卷 477-492页

作者： E.Laxmi Lydia T.M.Nithya K.Vijayalakshmi jeya prakash kadambaajan Gyanendra Prasad Joshi Sung Won Kim Computer Science and Engineering Vignan’s Institute of Information Technology(Autonomous)Andhra Pradesh530049India Department of Computer Science and Engineering K.Ramakrishnan College of EngineeringTiruchirappalli621112India Department of Electronics&Communication Engineering Saveetha School of EngineeringSaveetha Institute of Medical and Technical SciencesChennai600025India Department of Electronics&Communication Engineering Kalasalingam Academy of Research and EducationKrishnankoil626128India Department of Computer Science and Engineering Sejong UniversitySeoul05006Korea Department of Information and Communication Engineering Yeungnam UniversityGyeongsan-siGyeongbuk-do38541Korea

Wireless sensor networks(WSN)encompass a set of inexpensive and battery powered sensor nodes,commonly employed for data gathering and tracking *** energy utilization of the nodes in WSN is essential to capture data effectively and transmit them to *** latest developments of energy efficient clustering techniques can be widely applied to accomplish energy efficiency in the *** this aspect,this paper presents an enhanced Archimedes optimization based cluster head selection(EAOA-CHS)approach for *** goal of the EAOA-CHS method is to optimally choose the CHs from the available nodes in WSN and then organize the nodes into a set of ***,the EAOA is derived by the incorporation of the chaotic map and pseudo-random ***,the EAOA-CHS technique determines a fitness function involving total energy consumption and lifetime of *** design of EAOA for CH election in the WSN depicts the novelty of *** order to exhibit the enhanced efficiency of EAOA-CHS technique,a set of simulations are applied on 3 distinct conditions dependent upon the place of base station(BS).The simulation results pointed out the better outcomes of the EAOA-CHS technique over the recent methods under all scenarios.

关键词： Wireless sensor network CH selection energy efficiency clustering lifetime

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Comparative study on production,purification of penicillin by Penicillium chrysogenum isolated from soil and citrus samples

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Asian Pacific Journal of Tropical Biomedicine 2011年第1期1卷 15-19页

作者： S Anto jeya Dayalan Pramod Darwin prakash S Department of Biotechnology Udaya School of Engineering

Objective:To explore various unexplored locations where Penicillium *** be available and study the production of penicillin from the isolated Penicillium *** different media with altered carbohydrate ***:The collected soil samples were screened for the isolation of Penicillium chrysogenum(***) by soil dilution *** isolated Penicillium species were further grown in different production media with changes in the carbohydrate *** extracted penicillin from various isolates was analyzed by HPLC for the efficacy of the *** the products were screened with various bacterial species including methicillin resistant Staphylococcus aureus(MRSA).And the work was extended to find the possible action on MRSA,along with characterization using other ***:From the various soil and citrus samples used for analysis,only the soil sample from Government General Hospital of Bangalore,India,and Sanjay Gandhi Hospital,Bangalore,India,showed some potential growth of the desired fungi *** production media showed varied range of growth of *** production of penicillin was obtained in maltose which proved maximum zone of inhibition during *** of penicillin on pathogens,like wild Escherichia coli strain,Klebsiella spp.,and MRSA,gave quite interesting results such as no activity on the later strain as it is *** data provided the analytical and confirmation details of the penicillin ***,the penicillin produced from the soil sample of Government General Hospital had the high milli absorbance unit of 441.5 mAu compared with that of the penicillin produced from Sanjay Gandhi Hospital sample,8S.S2 ***,there was a considerable change in quantity of the penicillin produced from both the ***: The Penicillium *** be possibly rich in hospital contaminants and its *** research focuses on various unexplored sources o

关键词： Penicillium chrysogenum Soil Citrus Penicillin Bioefficacy Antibiotic activity Penicillium spp. Production Soil dilution plate Staphy lococcus aureus Characterization Production media Zone of inhibition Carbohydrate source Isolation Efficacy Pathogen

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Quantification of Urban Expansion Using Geospatial Technology—A Case Study in Bangalore

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Advances in Remote Sensing 2015年第4期4卷 330-342页

作者： Puspa P. Dash Ritu Kakkar V. Shreenivas P. jeya prakash D. J. Mythri K. H. Vinaya Kumar Vanashree Vipin Singh R. M. N. Sahai Centre for Lake Conservation Environmental Management and Policy Research Institute Doresanipalya Forest Campus Bangalore India

Quantification of urban expansion helps us to understand human induced effects on the environment in a temporal scale. Growing urbanization in Bangalore has resulted in demand for more space and resources. Since last 15 years the landuse and landcover of Bangalore area has been changed drastically due to increase in settlement, urban infrastructure, opening of roads and metros etc. Using geospatial tools, we studied the changes in landuse and landcover over 19 years (1992-2011) of period and changes in transport network over 41 years (1970-2011) in parts of Bangalore. Thus, the current study shows that the built-up area has been increased drastically, tree cover areas have been converted to agricultural lands and agricultural lands to built-up areas due to urbanization. There are also changes in drainage pattern, transport network and encroachment of water bodies. Thus the whole environment is getting affected adversely due to unplanned and rapid urban sprawl.

关键词： Urban Expansion Land Use Land Cover Change Analysis Satellite Data GIS

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