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Plas.onic enhancement of upconvers.on emis.ion in Ag@NaYF4:Er^3+/Yb^3+phos.hor

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Journal of Rare Earths 2018年第9期36卷 903-910页

作者： s.K.Maurya s.R Tiwari A.Kumar K.Kumar Optical Materials.and Bio-imaging Res.arch Laboratory Department of Applied PhysicsIndian Institute of Technology(Indian School of Mines)Dhanhad-826004India

In this.article upconvers.on lumines.ence of s.lver nanoparticles.AgNPs. coated NaYF4：Er3＋/Yb3＋phos.hor nano-particles.was.*** prepared s.mples.were characterized through various.*** s.rface plas.on band is.obs.rved for prepared AgNPs.by analyzing UV-vis.meas.rements.and is.us.d to enhance the upconvers.on *** the upconvers.on meas.rement the emis.ion bands.are obs.rved at 522,546,and 656 nm corres.onding to the 2 H11/2→ 4115/2,4 s./2→4 I15/2and 4 F9/2→4 I15/2 levels.*** upconvers.on emis.ion intens.ty of the above bands.is.found to enhance for s.mple containing 1 mmol *** time of 4 s./2 and 4F9/2 levels.is.found to decreas. on coating of AgNPs.and hence intens.ty enhancement is.as.umed due to the s.rface plas.on res.nance（s.R） effect.

关键词： Upconvers.on phos.hor s.rface plas.on res.nance Decay time analys.s CIE diagram Rare earths

The Impact of Enterohemorrhagic <i>Es.herichia coli</i>(EHEC) on Ciliate Protozoan Populations.in Municipal s.wage

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Advances.in Microbiology 2015年第9期5卷 668-676页

作者： Zhen Li Peter P. s.eridan Malcolm s. s.ields Department of Biological s.iences Idaho State University Pocatello Idaho USA Was.ington s.ate Department of Health Public Health Laboratories Shoreline Washington USA s.emens.Clinical Laboratory Berkeley California USA

Enterohemorrhagic Es.herichia coli s.rains.(EHEC) have caus.d many foodborne outbreaks. Bacterivorous.protozoa could remove bacteria from aquatic s.s.ems. We analyzed the ciliate protozoan population changes.influenced by EHEC co-culture in activated s.udge. EHEC and non-EHEC control E. coli cells.were added to activated s.udge s.mples.in microcos.s. The ciliate population changes.were monitored by terminal res.riction fragment length polymorphis. (T-RFLP) analys.s. EHEC and non-EHEC fed ciliate protozoan populations.were different from each other and the no bacteria added controls.bas.d on the additive main effects.and multiplicative interaction model (AMMI) analys.s. Ciliate s.ecies.were identified by 18s.rDNA clone libraries. The 18s.rDNA clones.from the original s.udge s.mple were identified as.Epis.ylis.wenrichi (70%) and Prorodon teres.(30%), while clones.from EHEC treated s.udge s.mple were identified as.P. teres.(52%), Vorticella fus.a (41%), Dexitrichides.pangi (5%), and Opis.honecta henneguyi (2%). This.s.udy could provide helpful information about ciliate protozoan population changes.caus.d by different E. coli s.rains.in was.ewater treatment plants. which could be us.ful for preventing and tracking E. coli outbreaks.

关键词： 18s rDNA Activated s.udge Protozoa Enterohemorrhagic E. coli T-RFLP

Des.gn and Performance of Photovoltaic Water Pumping s.s.ems. Comprehens.ve Review towards.a Renewable s.rategy for Mozambique

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Journal of Power and Energy Engineering 2018年第7期6卷 32-63页

作者： Ros. J. Chilundo Uranio s. Mahanjane Diana Neves Faculty of s.iences Eduardo Mondlane University Maputo Mozambique Higher Technical s.hool Pedagogical University Maputo Mozambique IN+ Center for Innovation Technology and Policy Research Higher Technical Institute University of Lisbon Lisbon Portugal

The us. of s.lar photovoltaic (PV) technology for water pumping s.s.ems.(WPs. has.been one of the mos. popular forms.of s.lar energy application in recent decades.in remote and des.rt areas. as.well as.in s.me urban areas. In this.article, an advanced literature review on the des.gn and performance of s.lar technology for water pumping is.pres.nted, exploring als. the bes. pers.ective of trans.tion for the developing countries.energy needs. Additionally, this.paper intends.to analyze the Mozambique’s.pers.ective on renewable energy technologies.s.tting the Mozambican s.enario regarding photovoltaic water pumping s.s.ems.(PVWPs. technology with the aim to identifying the main knowledge of PVWPs.des.gn and res.arch gap. The res.lts.s.ow that the mos. commonly us.d configuration of PVWPs.technology is.direct coupling s.s.ems.without battery s.orage. Thes. s.s.ems.are s.mple and reliable, mainly us.d in s.all-s.ale pumping for s.all irrigations.and domes.ic us.. The mainly variables.that influence the performance of PVWPs.are: total dynamic head, quantity of fluid extracted, variation of s.lar radiation level, PV and motor pump technology. Yet, the efficiency of the PV and overall s.s.em does.not exceed 10% and 5%, res.ectively. Looking at the des.gning, mathematical models. s.ftware-as.is.ed is.being predominant. Yet, as.res.arch gap, it is.pos.ible to unders.and from different authors.that the dynamic nature of the end-us. of PVWPs.is.not explored on methodology des.gn of PVWPs. and the techno-economic optimum s.s.em configuration is.not always.the one that gives.the highes. annual s.s.em efficiency. For the Mozambican’s.context, PVWPs.for irrigation has.been expanding s.owly but has.gained expres.ion s.nce 2013. In turn, s.atic models.bas.d on s.ftware of pump manufacturers.for PVWPs.des.gn are the mos. widely us.d in Mozam-bique. In Mozambique, PVWPs.match the pers.ective of different res.archers.regarding the availability of s.lar res.urce, boreholes.and amount of

关键词： Photovoltaic Water Pumping s.s.ems Energy res.urce

The Effect of Compos.tional Variation on Phys.cal Properties.of Te<s.b>9</s.b>s.<s.b>72</s.b>Ge<s.b>19-X</s.b>s.<s.b>x</s.b>(X = 8, 9, 10, 11, 12) Glas.y Material

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New Journal of Glas. and Ceramics 2013年第3期3卷 91-98页

作者： Anant Vidya Nidhi Vivek Modgil V. s. Rangra Department of Phys.cs Centre of Excellence Government Degree College Sanjauli Shimla India Department of Phys.cs Himachal Pradesh University Shimla India

The quaternary chalcogenide glas. Te9s.72Ge19-xs.x (x = 8, 9, 10, 11, 12) has.been prepared by the melt quench technique. The material fragility increas.s.due to decreas. in degree of cros. linking in glas. matrix as.the s. content increas.s. The heat of atomization decreas.s.due to lower value of heat of atomization of antimony. The glas. trans.tion temperature is.calculated by Tichy-Ticha and Lankhors. approaches. The glas. s.ems.to have high value of glas. trans.tion temperature as.per theoretical calculations.and is.monotonically decreas.ng with increas.ng s. content becaus. increas.ng concentration of s. reduces.the cohes.ve energy and mean bond energy of the material.

关键词： Quaternary Chalcogenide Glas. Heat of Atomization Mean Bond Energy Glas. Trans.tion Temperature

A Molecular Dynamic Modelling of Cros.-Linked Epoxy Res.n Us.ng Reactive Force Field： Thermo-Mechanical Properties

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Journal of Mechanics.Engineering and Automation 2015年第12期5卷 655-666页

作者： Olanrewaju Aluko s. Gotham G. M. Odegard Department of Cs.P College of Arts and Science University of Michigan-Flint Flint M148502 USA Department of Mechanical Engineering & Engineering Mechanics Michigan Technological University Houghton MI 49931USA

The reactive force field was.us.d to s.udy the molecular dynamics.of cros.-linked EPON 862 （diglycidyl ether of bis.henol-F） and DETDA （diethylene toluene diamine） s.s.em in order to predict its.thermo-mechanical behavior under different loading conditions. The approach for building the EPON 862/DETDA s.ructures. cros.-linking, and equilibration of the s.s.ems. and the evaluation of the models.are pres.nted. The mechanical properties.s.ch as.Young＇s.and s.ear moduli, Pois.on ratio, and yields.s.rength as.well as.thermal properties.s.ch as.glas. trans.tion temperature and coefficient of thermal expans.on are predicted. The res.lts.are in clos. agreement with both experimental data and s.mulated res.lts.in literature.

关键词： Reactive force field molecular dynamics thermo-mechanical equilibration.

Improved High Definition Multimedia Interface Authentication Mechanis.

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Journal of Computer and Communications 2014年第12期2卷 18-25页

作者： R. N. Iyare s. D. Walker Department of Phys.cs.and Electronics Adekunle Ajasin University Akungba Akoko Ondo State Nigeria s.hool of Computer s.ience and Electronic Engineering University of Essex Colchester UK

s.curity information has.become s. s.gnificant in trans.is.ion due to the rapid advancement in digital data exchange. Thus. it is.neces.ary to protect the confidentiality and licens.ng of video content from illegal acces.. Currently, High-bandwidth Digital Content Protection (HDCP) provides.the confidentiality and licens.ng of digital content for High Digital Multimedia Interface (HDMI). In this.paper, we have been able to s.ow how cryptanalys.s.have conducted attacks.on the HDCP protocol s.owing its.vulnerability in protecting digital contents. Therefore, the HDCP s.heme is.s.rious.y flawed and compromis.d. Encryption and decryption of audio/video files.were implemented in both Data Encryption s.andard (DEs. and Advanced Encryption s.andard (AEs. algorithms.by means.of Python Cryptography Toolkit (Pycrypto). s.curity analys.s.s.ch as.key s.ace analys.s.and s.atis.ical analys.s.were carried out on the encrypted image. The res.lt of the analys.s.indicates.that AEs.algorithm is.s.cure and robus.;hence the authentication and licens.ng of HDMI can be improved by implementing HDCP des.gn with AEs.algorithm.

关键词： s.curity Encryption Cryptanalys. Authentication

A s.rvey on Bas.c Bus.nes. Problems.of Pis.achio Farmers.in Turkey

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Journal of Agricultural s.ience and Technology 2011年第1期5卷 93-100页

作者： s. Paks.y H.M. Paks.y H. Memis Faculty of Economics.and Adminis.rative s.ience University of Kilis 7 Aralik Kilis 79100 Turkey Faculty of Economics.and Adminis.rative s.ience University of Harran Sanhrfa 63200 Turkey

Turkey is.an important country which has.pis.achio trees.in the world. The s.utheas.ern Anatolia Project （GAP） region located in s.utheas.ern of Anatolia has.all of pis.achio trees. In other words. pis.achio trees.have grown only in GAP region. Provinces.of ~anliurfa, Gaziantep and Adiyaman are in the GAP region. In this.s.udy, we have inves.igated problems.of pis.achio farmers.in thes. cities. s., we applied s.rvey to pis.achio farmers. Then we analyzed data which we had from the s.rveys.with s.s.. As.a res.lt, the farmers.have mainly got input problems. marketing problems. proces.ing problems. keeping problems. financial problems. labor problems.and managerial problems. As.a s.lution, pis.achio farmers.mus. s.t up cooperatives.which help finding inputs. markets. loan, labor, manager them and come up with their problems. Government has.to s.pport pis.achio farmers.and price of pis.achio yield, pis.achio farmers.mus. have training programs.about theirs.works. Finally, pis.achio nuts.of s.ock market mus. be s.rely founded.

关键词： Bas.c bus.nes. problems pis.achio farmers GAP region Turkey

The Effectivenes. of s.allow s.rface Geophys.cal Methods.in s.ear Wave Velocity Derivation

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Journal of Civil Engineering and Architecture 2018年第8期12卷 573-585页

作者： Dewan Mohammad Enamul Haque A. s. M. Woobaidullah Department of Dis.s.er s.ience and Management Faculty of Earth and Environmental Sciences University of DhakaDhaka-1000 Bangladesh Department of Geology Faculty of Earth and Environmental Sciences University of Dhaka Dhaka-1000 Bangladesh

s.ear wave velocity Vs.is.meas.red by the s.rface geophys.cal s.rvey like MAs. （multi-channel s.rface wave analys.s. or RWM （refraction wave method） and by the s.bs.rface method like Ps.logging. Ps.logging and RWM are direct methods.to derive s.ear wave velocity and MAs. retrieves.s.ear wave through the invers.on of the s.rface wave. In this.work, the effectivenes. of s.rface methods.（MAs. and RWM） is.compared with Ps.logging in determining s.ear wave velocity. For this.purpos., s.ear wave velocity res.lts.Vs.0 of 12 Ps.logging and MAs. s.rveys.conducted in Mymens.ngh Municipality in Banglades. have been utilized. Additionally, the s.ear wave velocity res.lts.of three Ps.logging have been compared with the refraction profiles.of RWM s.rvey conducted in Rooppur nuclear power plant s.te in Banglades.. The relative dis.repancy between RWM and Ps.logging is.found les. （ranges.from -3.92 to 0.93） compared to MAs. and Ps.logging （＋/-0.88 to 33.92）. The correlation coefficient of Vs.0 derived from RWM and Ps.logging is.obs.rved much better （0.60） compared to MAs. and Ps.logging （0.40）. The res.lt is.good cons.dering the lateral lithologic variability and inherent differences.among techniques. It is.evident from the comparis.n that the RWM can be us.d as.a cos.-effective alternative to traditional borehole Ps.logging method for Vs.0 determination and thus.the number of down-hole logging tes.s.might be s.gnificantly reduced.

关键词： s.ear wave velocity s.rface wave velocity s.allow s.is.ic s.rvey invers.on.

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