yxgaxjlywf |
Wysłany: Sob 16:48, 02 Kwi 2011 Temat postu: Chinese standard reference value of bicarbonate re |
|
Chinese standard reference value of bicarbonate relationship between geographical environment
ina) Abstract: TorevealthegeographydistributingregularityofnormalreferencevalueofChineseStandardsbicarbonateandprovidescien-titlebasisformakingitsunifiedstandards, thispaperhascollected12803casesofnormalrefereneevalueofStandardsbicarbonatethroughoutChina. Intheapplicationofthemethodofrelatedanalysisandregressionanalysis, itisfoundthatthecorrelationofgeo-graphicalfactors (altitude, annualsunshineduration, averageannualtemperature,herve leger outlet, annualaveragerelativehumidity, annualprecipita-tion) andtheChinesenormalreferencevalueofstandardsbicarbonatearequitesignificant. IntheapplicationofthemethodofremoveinSPSSsoftware, multiplelinearregressionsbetweennormalreferencevalueofChinesestandardsbicarbonateandgeographicalfactors, oneregressionequationisinferred: = 21.84241 +0.15151 x3-0.00083x5 ± 1.0403. Intheaboveequation, isnormalreferencevalueofChinesestandardsbicarbonate (mmol / L), isAverageannualtemperature (℃), 5isAnnualprecipitation (mm), 1.0403isthevalueoftheresidualstandarddeviations. 1288observationpointsofnormalreferencevalueofChinesestandardsbicarbonatehavebeencalculatedinChinabyusingthisequation. ThenormalreferencevalueofChinesestandardsbicarbonatedistributionmaphasbeenmadebyusingspatialanalysisofGIS. IfChinesestandardsbicarbonateiswantedtoknowinsomecertainarea. thenormalreferencevalueofChinesestandardsbicarbonateofthisareacanbereckonedbyusingtheregressionequationsortheinspectionmap. Keywords: standardsbicarbonate; normalreferencevalue; geographicalfactors; regressionanalysis; relatedanalysis; spatialanalysis ( Editor Europe leaves ) |
|