简介:本刊讯据广州落实特殊教育提升计划现场会消息,广州全市将建7所特殊教育学校,特殊教育由9年义务教育向两头延伸到15年,明年在各特殊教育学校开设学前部,在各区以两所公办幼儿园作试点,推进学前教育融合教育。据悉,广州将从以下几个方面落实特殊教育提升计划:一是加紧南沙区特殊学校建设,并拟将7所特教学校打造为广州市窗口式学校;二是到2016年底前,计划建设成70个以个别化教育为核心的普通学校特教班;三是继续特殊教育向两头延伸,2016年在各特殊教育学校开设学前部i在各区以两所公办幼儿园作试点推进学前教育融合教育;四是完善特教教研平台,2015年中小学特殊教育教师职称单列。
简介:Ni2P/ZrO2-SBA-15catalystswithdifferentzirconiumn-propoxide/SBA-15massratiosweresynthesizedtoevaluatetheirdibenzothiophenehydrodesulfurizationcatalyticactivity.EffectofZrO2introductionwasinvestigated.SupportsandcatalystswerecharacterizedbyBET,XRD,29SiNMR,XPSandFTIR.TheresultsindicatedthatzirconiumwasincorporatedintoSBA-15intheformsof[(–O–)2Si(–O–Zr)2]and/or[(–O–)3Si–O–Zr],andthattheSBA-15frameworkstructurewasmaintainedafterincorporationofZrO2.Withzirconiumcontentincreasing,ZrO2wastransformedfromamorphousphasetotetragonalphase.ZirconiumincorporationintoSBA-15supportscouldfacilitatetoformmoredispersedNi2Pactivephase.TheremightbesomeinteractionoccurringbetweenthePandZrspecies.InadditiontoNi2P,anotherkindofactivephase,ZrP,wasformed,whichmightexhibitabetterHDSactivitythanNi2P.Itwasobservedthatatatemperatureof280°C,pressureof3.0MPa,WHSVof6.5h?1andH2tooilratioof450,theNi2P/Zr-SBA(1.5)catalyst,where1.5representszirconiumn-propoxide/SBA-15massratio,showedthehighestDBTconversion,whichwas86.6%,almost35%higherthanthatoftheNi2P/Zr-SBA(0)catalyst.