简介：

简介：Inpursuingexcellentsupercapacitorelectrodes,wedesignedaseriesofM0S2/C0S2compositesconsistingofflower-likedMoS2andoctahedron-shapedCoS2throughafacileone-stephydrothermalmethodandinvestigatedtheelectrochemicalperformanceofthesampleswithvarioushydrothermaltime.Duetothecouplingoftwometalspeciesandabigamountofwell-developedCoS2andMoS2,theresultsindicatedthattheMoS2/CoS2compositeselectrodesexhibitedthebestelectrochemicalperfor-mancewithalargespecificcapacitanceof490F/gat2mV/sor400F/gat10A/gamongallsamplesasthehydrothermaltimereached48h(MCS48).Furthermore,theretentionofMCS48is93.1%after10000cyclesat10A/g,whichmanifeststheexcellentcyclingstability.TheoutstandingelectrochemicalperformanceofMCS48indicatesthatitcouldbeaverypromisingandnovelenergystoragematerialforsupercapacitorsinthefuture.

简介：Aone-pot,solvent-thermalprocesswasusedtocreatetheultrafineZnFe2O4nanoparticlesphotocatalyst.Duringthesolvent-thermalprocess,theinsituself-formingNaClnotonlyservedasa"cage"toconfinetheiondiffusion,butalsoactedasamicroreactorfornanocrystallitegrowth.Anaverageparticlesizeof~10nmandahigh-specificsurfaceareaof~112.9m2/gwereobservedfortheultrafineZnFe2O4nanoparticlesOwingtothesynergisticeffectofultrafineparticlesize,thefullutilizationofthevisiblelightregionandhighconductionband(CB)position,ultrafineZnFe2O4photocatalystdisplayedanefficientphotocatalyticCO2reductionundervisiblelightillumination.Besides,theultrafineZnFe2O4photocatalystshowedhighproductionselectivityforCH3CHOandC2H5OHgenerationinaqueousCO2/NaHCO3solution.Thisworkmayprovideanewideaforthesynthesisofnewhigh-efficiencyphotocatalysts.

简介：本文系统地研究了我国目前食品用塑料包装材料阻隔性的检测标准,并对其进行了概述。给生产企业和质检单位提供了参考和借鉴,对提高食品塑料包装材料使用性能具有重要意义。

简介：针对工业设计公司市场竞争愈演愈烈,通过对国内工业设计公司的分析,利用蓝海战略进行指导,不断挖掘和满足新的用户需求,运用新技术、新理念进行公司战略布局的定位,用解构和重构的思维进行不断设计创新,用工业设计公司的蓝海战略开拓新的市场领域,做出更多更优质的可持续性发展的设计产品和服务,从而满足这个社会需求,旨在创造一个更加美好的生存环境。

简介：近日,中科晶电忻州半导体产业基地砷化镓项目正式开业运营。忻州中科晶电信息材料有限公司布局的砷化镓晶体及晶片制造加工项目投资2.5亿元,以研发、生产、销售砷化镓衬底材料为主,建设有2英寸、3英寸、4英寸、6英寸砷化镓衬底材料大规模生产线,规划年产砷化镓单晶片折合4英寸200万片。

简介：

简介：本文介绍了RFID在智能包装领域的应用，包括利用电子标签对商品进行可跟踪性运输包装，反映商品物流信息；利用电子信息组合包装反映商品生产和销售的信息；数字信息关联服务技术的应用，为用户提供溯源、比价、配送和支付等服务；专属体验型智能包装制造技术的应用，提升用户的交互性、参与感和满足感。

简介：

简介：

简介：

简介：

简介：

简介：2017年的环保治理是软包装行业最关心的工作重点，国家对环保管控的重拳出击必将带动全行业对环保技术、环保工艺的推广和使用。可以预见的是，无溶剂复合将在2018年迎来一个前所未有的使用高峰!

简介：

简介：FenanowirearraywithstrongshapeanisotropywasemployedasthesoftphaseinNd-Fe-Bbasednanocomposites.TheeffectsoftheFenanowiredistributiononmagneticpropertiesofthenanocompositeswereinvestigatedbymicromagneticsimulation.TheresultsindicatethattheshapeanisotropyofFewiresaddedinthesamedirectionastheuniaxialmagnetocrystallineanisotropyofthehardphasecannotincreasethecoercivityofthenanocomposite.Whenthenanowiresaredistributedperpendiculartotheeasyaxisofthehardphase,theshapeanisotropyofsoftphasecanretardthemomentsfromrotatingtothefullreverseddirection,leadingtoenhancedcoercivity.Inaddition,withincreasingthenanowirediameter,thecoercivityofthenanocompositedecreases,butthedipolarinteractionshowsdifferentrolesinmagneticreversalofnanocompositefordifferentdistributionsofnanowires.ThecurrentresultssuggestthatthecoercivityoftheNd2Fe14B/α-Fenanocompositecanbeenhancedbyintroducingthesoftmagneticnanowirearraywiththediameterlessthantheexchangelengthandwiththelongaxisalongthedirectionotherthantheeasyaxisofhardphase.

简介：Bismuth-basedSillen-Aurivilliuscompoundsarebeingexploredasefficientphotocatalystmaterialsforthedegradationoforganicpollutantsduetotheiruniquelayeredstructurethatfavourseffectiveseparationofelectron-holepairs.Inthiswork,wesynthesizedSillen-Aurivillius-relatedBi2YO4CIwiththebandgapof2.5eVbyasimplesolid-statereactionandsensitizedwithrhodiumnickel(RhNi)nanoparticles(NPs)toformtheRhNi/Bi2YO4CIheterostructure.PhotocatalyticactivitiesofBiOCI,Bi2YO4CIandtheRhNi/Bi2YO4CIheterostructurewereexaminedforthedegradationofrhodamine-6Gundervisible-lightillumination.ResultsdemonstratedthatthephotocatalyticdyedegradationefficiencyofRhNi/Bi2YO4CIheterostructuresishigherthanthoseofBiOCIandBi2YO4CI,attributedtothesynergisticmolecular-scalealloyingeffectofbimetallicRhNiNPs.Theplausiblemechanismforthedegradationofrhodamine-6Gandtheeffectiveelectron-holepairutilizationmechanismwerediscussed.

简介：Thecounterelectrode(CE)prominenceindye-sensitizedsolarcells(DSSCs)isundisputedwithresearchgearedtowardsreplacementofPtwithviablesubstituteswithexceptionalconductivityandcatalyticactivity.Herein,wereportthereplaceableCEwithbetterperformancethanthatofPt-basedelectrode.ThechemistrybetweenthegrapheneoxideandicetemplatesleadstocellularformationofreducedgrapheneoxidethatachievesgreaterconductivitytotheCE.Thesimultaneousgrowthofactiveedge-orientedMoS2ontheCEthroughCVDpossesseshighreflectivity.HighreflectiveMoS2trendstoincreasetheelectroactivitybyabsorbingmorephotonsfromthesourcetodyemolecules.Thus,thesynergisticeffectoftwomaterialswasfoundtoshowcasebetterphotovoltaicperformanceof7.6%against7.3%fortraditionalplatinumCE.

简介：Thisstudywasconductedtodiscusstheeffectofrollingstrainonmicrostructureandtensilepropertiesofdual-phaseMg-8Li-3Al-2Zn-0.5Y(wt%)alloy,whichwaspreparedbycasting,andthenhomogenizedandrolledat200℃.Therollingprocesswasconductedwith10%reductionperpassandfivedifferentaccumulatedstrains,varyingfrom10%to70%.Theresultsindicatethattheas-castandas-rolledMg-8Li-3Al-2Zn-0.5Yalloysarecomposedofα-Mg,β-Li,AlLiandAl2Yphases.Afterrollingprocess,anisotropicmicrostructurewasobserved.a-Mgphasegotelongatedinbothrollingdirectionandtransversedirectionwiththeadditionofrollingstrain.Consequently,thestrengthofthealloyinbothdirectionswasnotablyimprovedwhereastheelongationdeclined,mainlycausedbystrainhardeninganddispersionstrengthening.Thetensilepropertiesoftheas-rolledalloysintheRD,nomattertheYS,UTSortheelongation,arehigherthanthoseoftheTDduetotheirlargerdeformationstrainandsignificantanisotropyinthehcpα-Mgphase.Inaddition,thefractureandstrengtheningmechanismofthetestedalloyswerealsoinvestigatedsystematically.

简介：