光谱学与光谱分析
光譜學與光譜分析
광보학여광보분석
SPECTROSCOPY AND SPECTRAL ANALYSIS
2011年
1期
105-108
,共4页
霍守亮%昝逢宇%席北斗%张靖天%李青芹%何连生
霍守亮%昝逢宇%席北鬥%張靖天%李青芹%何連生
곽수량%잠봉우%석북두%장정천%리청근%하련생
近红外光谱%湖泊沉积物%间隙水%光谱预处理%偏最小二乘
近紅外光譜%湖泊沉積物%間隙水%光譜預處理%偏最小二乘
근홍외광보%호박침적물%간극수%광보예처리%편최소이승
通过对巢湖柱状沉积物剖面间.隙水样品的近红外光谱(NIR)分析,采用OSC+WC和WC+OSC光谱预处理方法,结合偏最小二乘法(PLS)回归,建立了分层沉积物间隙水中TN,NH3-N,PO33-,TOC和SiO3的校正模型,该模型的TN,NH3-N,PO33-,TOC和SiO-3的预测值与实测值的校正相关系数分别为0.975,0.989,0.937,0.862和0.888,校正标准误差分别为0.353,0.238,0.031 3,2.005和2.674 mg·L1,预测相关系数分别为0.912,0.918,0.773,0.337和0.856,预测标准误差分别为1.424,0.945,0.081,7.866和4.273 mg·L-1.实验结果表明,近红外光谱技术有潜力作为快速测定湖泊沉积物间隙水样品中主要化学指标的新方法.
通過對巢湖柱狀沉積物剖麵間.隙水樣品的近紅外光譜(NIR)分析,採用OSC+WC和WC+OSC光譜預處理方法,結閤偏最小二乘法(PLS)迴歸,建立瞭分層沉積物間隙水中TN,NH3-N,PO33-,TOC和SiO3的校正模型,該模型的TN,NH3-N,PO33-,TOC和SiO-3的預測值與實測值的校正相關繫數分彆為0.975,0.989,0.937,0.862和0.888,校正標準誤差分彆為0.353,0.238,0.031 3,2.005和2.674 mg·L1,預測相關繫數分彆為0.912,0.918,0.773,0.337和0.856,預測標準誤差分彆為1.424,0.945,0.081,7.866和4.273 mg·L-1.實驗結果錶明,近紅外光譜技術有潛力作為快速測定湖泊沉積物間隙水樣品中主要化學指標的新方法.
통과대소호주상침적물부면간.극수양품적근홍외광보(NIR)분석,채용OSC+WC화WC+OSC광보예처리방법,결합편최소이승법(PLS)회귀,건립료분층침적물간극수중TN,NH3-N,PO33-,TOC화SiO3적교정모형,해모형적TN,NH3-N,PO33-,TOC화SiO-3적예측치여실측치적교정상관계수분별위0.975,0.989,0.937,0.862화0.888,교정표준오차분별위0.353,0.238,0.031 3,2.005화2.674 mg·L1,예측상관계수분별위0.912,0.918,0.773,0.337화0.856,예측표준오차분별위1.424,0.945,0.081,7.866화4.273 mg·L-1.실험결과표명,근홍외광보기술유잠력작위쾌속측정호박침적물간극수양품중주요화학지표적신방법.
