简介:本文研究了Mg2+—溴邻苯三酚红(BPR)—溴化十六烷基三甲基氯化铵(CTMAB)的显色反应,探讨了Mg2+—BPR—CTMAB体系的最佳测定条件。实验表明Mg2+—BPR—CTMAB体系的最佳pH=9—10,λmax=680nm,ε=1.3×104L·mol-1·cm-1,镁量在0—80μg/50mL内符合比尔定律,该法用于测定铝合金中镁获得满意的结果。
简介:应用薄层色谱—紫外分光光度法对闽产柑桔皮中橙皮苷含量进行分析。该方法准确,平均回收率为99.2%,RSD为1.71%。实验结果表明,其中福桔橙皮苷含量最高。这为福建省丰富的柑桔皮类资源的综合开发利用提供了科学依据。
简介:Developmentofavehiclestructurewithenhancedpedestriansafety;DoorslamCycleTestsofanautomobilestructure;Dynamicinteractionofvehiclesmovingonuniformbridge;Dynamicalactionsonhighwaybridgedecksduetoanirregularpavementsurface;ElectricDriveSystemforElectricandHybridVehicles;Energyabsorptionandperformanceofavehicleimpactprotectionsystem;Fatiguestrengthevaluationonresistancespotweldsofthevbehiclebody;HyperG-anewhydro-pneumatic,catapult-typesled;Integrationofaterrain-adaptivetractioncontrolsysteminthehierarchyoflocomotioncontrolsystem;……
简介:[篇名]Optimizationofsuper-lightweight,space-framevehiclestructure,[篇名]OptimumDesignforReinforcedStructuralMembersandOccupantRestraintSystemofaVehicleusingMultilevelApproach,[篇名]Productionpreparationprocessofautomobilepainting,[篇名,]Railsdeformationpatterninfrontalimpact,[篇名]ShakerTestsofAnAutomobileStructure,[篇名]Structuraldesignconsiderationsofaprofilingfreevehicleusedtomeasureoceanturbulence,[篇名]THERMALCONDUCTIVITYMEASUREMENTSOFAEROGEL-IMPREGNATEDSHUTTLETILEATCRYOGENICTEMPERATURES,[篇名]UseofstochasticanalysisforFMVss210simulationreadinessforcorrelationtohardwaretesting,[篇名]Vehiclestructureanalysisofcompatibilityperformance,[篇名]Vibrationandpowerflowanalysisofavehiclestructureusingcharacteristicconstraintmodes,[篇名]Zerofailureelectroriicsasakeytovehicleimprovement。