简介：FEBRUARY,2016RegulationsConcerningMenstrualPainLeaveaStepintheRightDirectionWomeninAnhuiProvincecantake1-2daysoffwhensufferingmenstrualpainsolongastheyprovideamedicalcertificate,accordingtothelatestlaborregulationsestablishedbytheAnhuiprovincialgovernment.Anhuiisnottheonlyprovincetotakethisstance.Otherregions,suchasJiangsuProvinceandGuangdongProvince,arealso

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简介：据国外媒体报道，全球智能手机操作系统巨头英国Symbian公司高层日前表示，虽然有了网络和手机，但应用和内容的缺乏正在遏制3G的普及。Symbian公司的首席财务官托马斯·钱伯斯日前对媒体表示，3G业务的启动比业界先前预计的要缓慢得多，而应用和内容的缺乏是最主要原因。钱伯斯说：“我们可能已经有了网络和手机，但人们依然在等待服务，不管：是手机电视、多媒体内容或是互联网应用。3G的发展需要网络、手机和服务齐头并进。”

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简介：国内要闻新华社北京3月1日电近日，国务院总理李克强签署第666号国务院令，公布《国务院关于修改部分行政法规的决定》（以下简称《决定》），《决定》自公布之日起施行。《决定》指出，为了依法推进简政放权、放管结合、优化服务改革，国务院对取消和调整行政审批项目、价格改革和实施普遍性降费措施涉及的行政法规进行了清理，决定对66部行政法规的部分条款予以修改，

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简介：UsingtheNationalCenterforEnvironmentalPredictionreanalysisdataon1.0°×1.0°gridsanddatafromtheTropicalCycloneyearbook(2000),adiagnosticanalysisandnumericalsimulationwereperformedtoinvestigatethecharacteristicsandmechanismunderlyingtherapidweakeningoftyphoonXangsane.TheresultsshowthatasharpdeclineintheintensityoftyphoonXangsaneresultedfromitsmovementintothecoolseasurfacetemperatureareaintheEastChinaSea,theintrusionofcoldairfromthemainlandintothetyphoon,andarapidincreaseoftheverticalwindshearinthesurroundingenvironment.Animportantfactorthatledtothedemiseofthetyphoonwasasignificantdecreaseinthemoisturetransportintothetyphoon.Furthermore,theresultsofthenumericalsimulationandsensitivityexperimentsindicatethatseasurfacetemperaturelargelymodulatedtherapidweakeningoftyphoonXangsane.

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简介： 【摘要】：CTCS-3列车控制模式的正常与否直接影响到行车安全，如果发生CTCS-3降级，轻者可能导致列车降速，重者甚至会发生列车紧急制动，影响列车运行安全及列车运营正点率。为了保障高铁客专线的运行安全，C3监控、超时降级分析以及发生故障应急处理变得尤为重要。本文结合京包客专日常维护工作，对由于基站故障引发的典型列车超时降级原因进行了详细的总结分析。

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简介：１ＩｎｔｒｏｄｕｃｔｉｏｎＯｖｅｒｔｈｅｐａｓｔｆｅｗｙｅａｒｓ，ｉｎｔｅｎｓｉｖｅｗｏｒｋｈａｓｂｅｎｍａｄｅｔｏａｃｈｉｅｖｅｍｕｌｔｉｃｏｌｏｒｏｒｆｕｌｃｏｌｏｒｔｈｉｎｆｉｌｍｅｌｅｃｔｒｏｌｕｍｉｎｅｓｃｅｎｃｅ（ＥＬ）ｄｅｖｉｃｅ...

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简介：ThemagnesiabasedcurablespecimenswithdifferentSi3N4contentswerecastedusingsinteredmagnesite(w(MgO)=95%)asstartingmaterial,SiO2micro-powderasbinder,0.3%,4%and5%β-Si3N4powderreplacingtheequaladditionofmagnesiapowderrespectively.Theslagresistancetestwascarriedoutat1550℃for3husingBaosteeltundishslagandstaticcruciblemethod.Theresultindicatesthat:introducingSi3N4couldobviouslyimprovetheslagresistanceofMgObasedcastable,whichincreasedwithincreasingSi3N4.DenseSiO2sinteredlayerformedonthesurfaceofmagnesiabasedcastablebecauseoftheoxidationofSi3N4addition,whichcanpreventthefurtherslagpenetration.Inthedeepinnerofcastable,thepartial-pressureofoxygenwasverylow,soSi3N4canexiststably.Meanwhileinreducingatmosphere,Si3N4washardtobesintered,whichresultedinthelooseinteriorstructureofMgObasedcastable.

简介：TheCasimireffecthasbeenstudiedforvariousquantumfieldsinbothfiatandcurvedspacetimes.Asafurtherstepalongthisline,weprovideanexplicitderivationofCasimireffectformasslessspin-3/2fieldwithperiodicboundaryconditionimposedinfour-dimensionalMinkowskispacetime.ThecorrespondingresultswithDirichletandNeurnannboundaryconditionsarealsodiscussed.

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简介：Arabidopsisthalianaisacommonresearchplantofmolecularandcellbiologicalresearchwhichhasshortlifecycleandhugeamountofseeds[1].Gammarayisoneoftheimportantphysicalmutagenswhichiswidelyusedinplantgeneticsandbreedingresearch[2].Thepurposeofthisstudyistoinvestigatethedose-effectofrayradiationsontherootdevelopmentofArabidopsis.Dryseedswereirradiatedbyrayswiththedoserangefrom100to1600Gy.

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