102
南昌大学学报(理科版)2006年
[10] 唐启义,冯明光.实用统计分析及其DPS数据处理系统[M].北京:科学出版社,2002:626-627.
ApplicationGreySystemTheorytoForecastingandAnalysis
onAffectecFactorsofAtmosphericNO2Concentration———TakeChangchenDistrictFoshanCityasExample
XUSong,CHENGTong-qing
(DepartmentofResourceandEnvironment,FoshanUniversity,Foshan528000,China)
Abstract:Usingthegraysystemtheorymethod,itisidentifiedbycorrelationanlysisthatthesuperiorfactorsaffect-ingtheatmosphericNO2concentrationofCheanchendistrictareformthedensityofmotorvehicleandtheamountofmotorvehicle.AndwiththeGrayModelGM(1,1),theatmosphericNO2concentrationinfuturefiveyearsarede-scending.thepapermakescientificreferenceforplanningtheatmosphericenvironmentandharnessingpollution.Keywords:graycorrelationanlysis;graymodelGM(1,1);Foshancity;urbanregionalenvironmentnoise(上接第67页)
[17] 张昊翔,叶志镇.SiC材料及其在功率器件方面应用研
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CalculationoftheLatticeMismatchBetween
SemiconductorEpitaxyandSubstrate
HEJu-sheng,ZHANGMeng,XIAOQi-ling
(SchoolofMaterialScienceandEngeering,NanchangUniversity,Nanchang330047,China)
Abstract:Thedifferentdefinitionsoflatticemismatcharecomparedwitheachother.Thesuggestionisputforward
tousethesamedefinitionoflatticemismatch.Thecalculationwayofthelatticemismatchthroughanewsimpiliedmodelbetweensemiconductorepitaxyandsubstrateareanalysed,andthewayofdeterminethelatticemismatchinXRDarealsodiscussed.Theatomsalongwithwidethofrectanglecrystallatticetakeprecedencetomatchatomsinanothertwo-dimensionalcrystallattice,notaffectedbytheatomsalongwithlength.Keywords:latticemismatch;bodystructure;wo-ditmensionalcrystallattice;Semiconductorepitaxy