简介：HENDL2.0,thelatestversionofthehybridevaluatednucleardatalibrary,wasdevelopedbaseduponsomeevaluateddatafromFENDL2.1andENDF/B-Ⅶ.Toqualifyandvalidatetheworkinglibrary,anintegraltestfortheneutronproductiondataofHENDL2.0wasperformedwithaseriesofexistingsphericalshellbenchmarkexperiments(suchasV,Be,Fe,Pb,Cr,Mn,Cu,A1,Si,Co,Zr,Nb,Mo,WandTi).TheseexperimentsweresimulatednumericallyusingHENDL2.0/MGandahome-developedcodeVisualBUS.CalculationswereconductedwithbothFENDL2.1/MGandFENDL2.1/MC,whicharebasedonacontinuous-energyMonteCarloCodeMCNP/4C.Bycomparisonandanalysisoftheneutronleakagespectraandtheintegraltest,benchmarkresultsofneutronproductiondataarepresentedinthispaper.

简介：CO2adsorptiononthesurfaceofhydrotalcite-derivedmixedoxidecatalystswasinvestigatedunderlowpressureglowdischargeplasmainopercindoconditionsviaFT-IRspectroscopy.Nickelcatalystswerepromotedwithvarioustransitionmetalspecies(Ce,Fe,La,Zr)toinfluencetheirphysico-chemicalproperties.FeandZrspeciesweresuccessfullyincorporatedintohydrotalcitebrucitelayers.AftercalcinationformedasinglephasewithNi(Mg,A1)Omixedoxide,whileLaandCespeciesformedseparatephases.ThishadaconsequenceinthedistributionofsurfacebasicsitesaswellasintheaffinitytoCOproduceduponCO2dissociationinplasma.Plasmatreatmentactivatedthesurfaceofpreparedmaterialsandchangedtheirpropertiesviathegenerationofstrongbasicsitesassociatedwithlowcoordinatedsurfaceoxygenanions.Moreover,theCO2adsorptioncapacityofpreparedmaterialsincreasedafterplasmatreatment.

简介：依照相关产品标准、计量检定规程的要求,结合实际应用,研制了一种X射线探伤机检测装置,该装置可实现X射线探伤机多个主要参数的检测,使用方便,大大提高检测效率,同时由于探伤机主要参数的检测,均与距离密切相关,该检测装置采用了精确的定位装置和精密滑轨,极大提高了检测结果的准确度,保证了测量结果的可靠性。该检测装置的使用,有助于探伤机技术性能的检测和应用分析。

简介：对立式剪切机送料系统进行了功能分析,特别对送料系统的传动链进行了故障模式影响分析(FMEA)和故障树分析(FTA),得出了影响送料系统可靠性的关键件、重要件,确定了顶事件的最小割集,依据底事件发生概率预计准则定量计算了顶事件发生概率,并根据分析结果提出了立式送料剪切机送料系统的传动链设计、操作、维护等方面的注意事项。针对调试过程中送料系统中万向节组件发生过掉销现象,对其进行了可靠性分析仿真,提出了结构改进方案及具体的安装要求。

简介：介绍了田湾核电站全尺寸模拟机的软硬件情况,给出了全尺寸模拟机维护维修的一般策略,并详细分析了田湾核电厂全尺寸模拟机维护维修的具体实施方法和应对措施.