简介:Inthepastfewdecades,manynovelnon-metaldopedZnOmaterialshavedevelopedhastyinterestduetotheiradaptablepropertiessuchaslowrecombinationrateandhighactivityunderthesolarlightexposure.Inthisarticle,wecompiledrecentresearchadvancesinnon-metal(S,N,C)dopedZnO,emphasizingontherelatedmechanismofcatalysisandtheeffectofnon-metalsonstructural,morphological,opticalandphotocatalyticcharacteristicsofZnO.ThisreviewwillenhancetheknowledgeabouttheadvancementinZnOandwillhelpinsynthesizingnewZnO-basedmaterialswithmodifiedstructuralandphotocatalyticproperties.
简介:YogabookC930是世界上最薄的双屏幕笔记本电脑,拥有LCD屏幕和E-ink屏幕,轻薄设计更充分表现了其科技性,双屏幕显示的方式更体现了方便的使用性,独特的转轴使得产品的使用性和方便性得到最佳的“使用体验”。其标配的蓝牙触控笔具有4096级压感并支持倾斜功能。YogabookC930是一款多模式设备,可转化成平板电脑模式和E-ink电子书模式。E-ink可在键盘和书写功能之间转换,书写内容能以多种格式应用到LCD屏幕上各类软件里,书写文字可一键转化成键盘所打字体。产品采用极简设计,unibody的设计方式,将所有复杂结构隐藏在极简外表之下,从外观完全看不到分件和螺丝。
简介:AdditivelymanufacturedTi-6Al-4Vlatticestructureshavefoundimportantnicheapplications.However,theyoftenshowinsufficientcompressiveductilityorinsufficientstructuralintegrity.Inthisstudy,abatchof45octahedralTi-6Al-4Vlatticestructureswasmanufacturedinthreedifferentstrutdiameters(0.5,1.0,1.5mm)byselectiveelectronbeammelting(SEBM).Theinfluenceofpost-SEBMannealingonthecompressivedeformationcharacteristicsofthelatticestructurewasinvestigated.Theas-builtTi-6AI-4Vlatticesfragmentedwhenthecompressivestrainreached13%-23%dependingonstrutdiameter.Annealingat950℃(Ptransustemperature:995℃)onlyslightlyimprovedthecompressiveductilityofthelatticestructures.However,annealingat1050℃(p-annealing)fundamentallychangedthecompressivedeformationmodeofthelatticestructures.Theresultantcompressivestress-straincurvewasfeaturedbyalongsmoothplateauandnofactureoccurredevenaftersignificantdensificationofthelatticestructurehadtakenplace(>50%ofcompressivestrain).