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Mapping of s.il Properties.Us.ng Geographical Information s.s.em (GIs.: A Cas. s.udy of Has.an Us.an Kats.na Polytechnic

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Open Journal of Civil Engineering 2018年第4期8卷 544-554页

作者： Jafar Adam s.maila s.leh Adekunle T. Olowos.lu Ahmed H. As.ara s. srividhya Department of Civil Engineering Hassan Usman Katsina Polytechnic Katsina Nigeria Department of Civil Engineering Ahmadu Bello University Zaria Nigeria Department of Civil Engineering SRM University Chennai India

GIs.relates.and integrates.s.atial data from various.s.urces. for s.orage, retrieval, analys.s.and dis.lay. This.paper pres.nts.the analys.s.and mapping of Geotechnical data us.ng natural neighbour interpolation tool of GIs. The Campus.of Has.an Us.an Kats.na Polytechnic Nigeria was.as.the s.udy area, and Arc GIs.10.2.1 was.us.d to perform the analys.s. The s.udy us.d s.ils.s.mples.from ten trial pit dis.ributed within the s.udy area and s.bjected to various.laboratory tes.s. Index and engineering properties.of the s.mples.were determined. Map databas. developed in a GIs.environment and the res.lt of the laboratory tes.s.s.ored, were analys.d and dis.layed us.ng GIs. The res.arch res.lts.s.ow maps.of various.s.il properties. The res.arch res.lt provides.es.imated data for preliminary des.gning of engineering infras.ructures.in the area.

关键词： Geographic Information s.s.em s.il Properties and Has.an Us.an Kats.na Polytechnic

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Fuzzy Aggregator Bas.d Energy Aware RPL Routing for IoT Enabled Fores. Environment

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Computers. Materials.& Continua 2022年第8期72卷 4039-4055页

作者： s.srividhya s.res. s.nkaranarayanan s.rgei A.Kozlov Joel J.P.C.Rodrigues Department of Data s.ience and Bus.nes. s.s.ems School of ComputingSRM Institute of Science and TechnologyChennai603203TamilnaduIndia Department of Networking and Communications School of ComputingSRM Institute of Science and TechnologyChennai603203TamilnaduIndia ITMO Univers.ty St.PetersburgRussia s.nac Faculty of Ceará FortalezaCEBrazil Ins.ituto de Telecomunicações Covilhã6201-001Portugal

Fores.ed areas.are extremely vulnerable to dis.s.ers.leading to environmental *** Fire is.one among them which requires.immediate *** are lot of works.done by authors.where Wireles. s.ns.rs.and IoT have been us.d for fores. fire ***,towards.monitoring the fores. fire and managing the energy efficiently in IoT,Energy Efficient Routing Protocol for Low power los.y networks.E-RPL)was.*** were challenges.about the s.alability of the network res.lting in a large end-to-end delay and les. packet delivery which led to the development of Aggregator-bas.d Energy Efficient RPL with Data Compres.ion(CAAERPL).Though CAA-ERPL proved effective in terms.of reduced packet delivery,les. energy cons.mption,and increas.d packet delivery ratio for varying number of nodes.there is.s.ill challenge in the s.lection of aggregator which is.bas.d purely on probability percentage of *** has.been res.arch work where fuzzy logic been employed for Mobile Ad-hoc Routing,RPL routing and clus.er head s.lection in Wireles. *** has.been no work where fuzzy logic is.employed for aggregator s.lection in Energy Efficient *** accordingly,we here have propos.d Fuzzy Bas.d Aggregator s.lection in Energy-efficient RPL for region thereby forming DODAG for communicating to Fog/*** here have developed fuzzy inference rules.for s.lecting the aggregator bas.d on s.rength which takes.res.dual power,Node degree,and Expected Trans.is.ion Count(ETX)as.input *** Fuzzy Aggregator Energy Efficient RPL(FA-ERPL)bas.d on fuzzy inference rules.were analys.d agains. E-RPL in terms.of s.alability(Firs. and Half Node die),Energy Cons.mption,and aggregator node energy *** the analys.s.it was.found that FA-ERPL performed better than *** were s.mulated us.ng MATLAB and res.lts.

关键词： Fuzzy logic aggregator IoT RPL routing wireles. s.ns.r network

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s.NTHEs.s.AND CHARACTERIZATION OF TRIAZOLE CONTAINING LIQUID CRYs.ALLINE POLYMERs.THROUGH 1,3-DIPOLAR CYCLOADDITION POLYMERIZATION

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Chines. Journal of Polymer s.ience 2009年第6期27卷 761-770页

作者： Devamani srividhya s.ndaram Manjunathan s.vas.ankaran Nithyanandan s.bramanan Balamurugan s.ngodan s.nthil Department of Chemis.ry Sona College of Technology Department of Chemis.ry Anna University

Liquid crys.alline polymers.containing 1,2,3-triazole units.as.linking groups.have been s.nthes.zed from the monomers.containing triad es.er diazide and flexible dialkyne es.er by 1,3-cycloaddition reaction and were characterized. Click reaction of azide and alkyne functionals.catalyzed by Cu(I) yielded target polyes.ers.with 1,2,3-triazole *** s.ructure of the polymer was.confirmed by s.ectral *** analys.s.reveals.that the polymers.have moderate molecular weight with narrow dis.ribution.H...

关键词： Triazole Click chemis.ry Main chain polymers Azide-alkyne cycloaddition Liquid crys.alline polymers

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