学科分类
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14 个结果
  • 简介:X6创新触屏操控技术让跑步回归纯粹而不失智感。宽大智慧触屏搭配自有平板浑然一体,指尖触启心舞动。X6无需手持,解放双手,无线监测心率,专注跑步,快意畅跑聆听内心声音。驭跑无界,以专注者心境奔驰天地。X6宽大跑台搭载全跑台专利减震技术并可智能传感体重数据。驰动宽阔坦荡,如舞台之上绽放人生华彩。扫码连接微信,步数同步计入微信运动,建立加入跑步群,乐享跑趣;采集身体数据,定制选择运动健身处方,科学趣味便捷。

  • 标签: X6豪华家用跑步机 艺术品
  • 简介:AdditionofAl-5Ti-1Balloytomoltenaluminumalloyscanrefineα-Algrainseffectivelyandtherebyimprovetheirstrengthandtoughness.TiAl3andTiB2inAl-5Ti-1Balloyarethemainsecondary-phaseparticlesforrefinement,whiletheunderstandingontheeffectoftheirsizesonα-Algrainrefinementcontinuestobefragmented.Therefore,Al-5Ti-1Balloyswithvarioussizesandmorphologiesofthesecondary-phaseparticleswerepreparedbyequalchannelangularpressing(ECAP).Evolutionofthesecondary-phaseparticlesduringECAPprocessandtheirimpactonα-AlgrainrefinementwerestudiedbyX-raydiffractionandscanningelectronmicroscope(SEM).ResultsshowthatduringtheECAPprocess,micro-cracksfirstlyappearedinsideTiAl3particlesandthengraduallyexpanded,whichresultedincontinuousrefinementofTiAl3particles.Inaddition,micro-distributionuniformityofTiB2particleswasimprovedduetotheimpingementofTiAl3particlestoTiB2clustersduringdeformation.ExcessivelylargesizesofTiAl3particleswouldreducethenumberofeffectiveheterogeneousnucleusandthusresultedinpoorgrainrefinementeffectiveness.Moreover,excessivelysmallTiAl3particleswouldreduceinhibitoryfactorsforgraingrowthQandweakengrainrefinementeffectiveness.Therefore,anoptimalsizerangeof18-22μmforTiAl3particleswassuggested.

  • 标签: Equal channel ANGULAR PRESSING process Secondary
  • 简介:7月31日,工信部对2018年智能制造试点示范项目进行公示,共有99个项目入选,公示时间为7月31日至8月29日。9个石油化工类项目名列其中。入选的石油化工项目有:内蒙古中煤蒙大新能源化工有限公司煤化工智能工厂试点示范、中国石化上海石油化工股份有限公司石化智能工厂试点示范、浙江新安化工集团股份有限公司有机硅材料智能制造试点示范、中盐安徽红四方股份有限公司化肥智能工厂试点示范、安徽国星生物化学有限公司精细化工智能工厂试点示范、山东海科化工集团有限公司炼油智能工厂试点示范、嘉宝莉化工集团股份有限公司涂料智能工厂试点示范、中国石油天然气股份有限公司长庆石化分公司炼化智能工厂试点示范、兰州兰石集团有限公司石油装备智能制造试点示范。

  • 标签: 石油化工项目 智能制造 示范项目 中国石化上海石油化工股份有限公司 浙江新安化工集团股份有限公司 中国石油天然气股份有限公司
  • 简介:FenanowirearraywithstrongshapeanisotropywasemployedasthesoftphaseinNd-Fe-Bbasednanocomposites.TheeffectsoftheFenanowiredistributiononmagneticpropertiesofthenanocompositeswereinvestigatedbymicromagneticsimulation.TheresultsindicatethattheshapeanisotropyofFewiresaddedinthesamedirectionastheuniaxialmagnetocrystallineanisotropyofthehardphasecannotincreasethecoercivityofthenanocomposite.Whenthenanowiresaredistributedperpendiculartotheeasyaxisofthehardphase,theshapeanisotropyofsoftphasecanretardthemomentsfromrotatingtothefullreverseddirection,leadingtoenhancedcoercivity.Inaddition,withincreasingthenanowirediameter,thecoercivityofthenanocompositedecreases,butthedipolarinteractionshowsdifferentrolesinmagneticreversalofnanocompositefordifferentdistributionsofnanowires.ThecurrentresultssuggestthatthecoercivityoftheNd2Fe14B/α-Fenanocompositecanbeenhancedbyintroducingthesoftmagneticnanowirearraywiththediameterlessthantheexchangelengthandwiththelongaxisalongthedirectionotherthantheeasyaxisofhardphase.

  • 标签: Nd2Fei4B/α-Fe NANOCOMPOSITE MICROMAGNETIC simulation FE NANOWIRES
  • 简介:Themicrostructureevolutionandphasecompositionofanα+βtitaniumalloy,Ti-3Al-5Mo-4.5V(wt.%),havebeeninvestigated.Electronprobemicroanalysis(EPMA)quantitativeresultsmanifestthatthestabilityofβphasedecreaseswithincreasingquenchingtemperature,whichisinfluencedbythesignificantvariationofβ-stabilizingelementsconcentration.Detailedmicrostructureanalysisshowsthattheβ→ωphasetransformationdoesoccurwhenquenchingat750℃and800℃.Theω-reflectionschangefromincommensurateω-spots(750℃)toidealω-spots(800℃)astheβstabilityofthealloydecreases.Furtherthedecreaseofβphasestabilityencouragestheformationofathermalα"martensite,whichhasthefollowingorientationrelationships:[111]β//[110]α",[100]p//[100]α"and[-110]p//[00-1]α"withrespecttotheβmatrix.

  • 标签: DUAL-PHASE titanium ALLOY β PHASE STABILITY
  • 简介:FlexFilm公司推出了一种特殊的聚酯薄膜,即:一面是具有改性表面的F-PDP,另一面则保持未处理状态的可数码印刷的聚酯薄膜。公司称该薄膜无需底漆或涂层也可进行数码印刷。

  • 标签: 聚酯薄膜 数码印刷 FLEX 底漆
  • 简介:Theyolk-shellFe3O4@Cnanocubesweresuccessfullysynthesizedthroughcarbothermicreductionprocessfromcarbon-coateda-Fe2O3precursor.Theresultsshowthattheyolk-shellFe3O4@Cnanocubesareuniformlycoatedwithathincarbonlayer,andaclearcavityabout150nminwidthbetweenFe3O4coreandcarbonshellareformedduetothevolumeshrinkageduringthereductiontreatment.Theobtainedyolk-shellFe3O4@Cnanocubesexhibitexcellentcyclingstability(thedischargecapacityis709.7mAh/gafter100cyclesatthecurrentdensityof0.1C)andrateperformance(1023.4mAh/gat0.1C,932.5mAh/gat0.2C,756.1mAh/gat0.5C,405.6mAh/gat1C,and332.3mAh/gat2C,andmoreimportantly,whenthecurrentdensityfinallybacksto0.1C,acapacityof776.8mAh/gcanberestored).Theoutstandinglithiumstoragepropertiesmaybeattributedtotheuniqueyolk-shellstructures.

  • 标签: Fe3O4 yolk-shell nanocube ANODE lithium STORAGE
  • 简介:介绍了中国石化镇海炼化流延聚乙烯专用料ZF4533H和ZF4527C的研究,分析对比了市场常用的线性聚乙烯树脂与ZF4533H和ZF4527C在流延聚乙烯薄膜制造过程中应用效果。结果表明:使用ZF4533和ZF4527C专用料,流延聚乙烯薄膜膜面不会氧化变色、小分子迁移析出少、外观瑕疵点少,气味低,薄膜纵横向拉伸强度一致、厚薄度偏差小、透明度高、雾度低。

  • 标签: 流延聚乙烯 包装膜 热封温度 晶点 外观瑕疵点 小分子迁移
  • 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.

  • 标签: MoS2/CoS2 COMPOSITES HYDROTHERMAL time ELECTROCHEMICAL properties