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公开(公告)号:US5740073A
公开(公告)日:1998-04-14
申请号:US465920
申请日:1995-06-06
CPC分类号: G01N33/2829 , G01N21/3577 , G01N21/359
摘要: A method of determining or predicting a value P.sub.x of a property of a material X, which is a feed to a process or a property of a product of a process from said material or yield of said process, which method comprises measuring the absorption D.sub.i x of said material at more than one wavelength in the region 600-2600 nm, comparing the said absorptions or a derivative thereof with absorptions D.sub.i m or derivatives thereof at the same wavelength for a number of standards S in a bank for which said property or yield P is known, and choosing from the bank at least one standard S.sub.m with property P.sub.m said standard having the smallest average value of the absolute difference at each wavelength i between the absorption D.sub.i x (or derivative thereof) for the material and the absorption D.sub.i m (or derivative thereof) for the standard S.sub.m to obtain P.sub.x, with averaging of said properties or yields P.sub.m when more than one standard S.sub.m is chosen, and wherein said material X is a composition comprising part of a lubricating oil fraction obtainable from a vacuum distillation of oil.
摘要翻译: 一种确定或预测材料X的性质的值Px的方法,该材料X是来自所述材料的过程的产物的过程的产物的进料或所述方法的产率的性质或所述方法的产率的特性,所述方法包括测量所述材料的吸收Dix 在600-2600nm区域中多于一个波长的所述材料,将所述吸收或其衍生物与在相同波长处的吸收Dim或其衍生物与银行中的多个标准S进行比较,其中所述性质或产率P为 并且从银行中选择至少一种具有性质Pm的标准Sm表示在材料的吸收Dix(或其衍生物)和吸收Dim(或其衍生物)之间具有在每个波长i处的绝对差异的最小平均值的标准 ),以获得Px,当选择多于一个标准Sm时,具有所述性质的平均值或产生Pm,并且其中所述材料X是包含润滑剂的一部分的组合物 可从油的真空蒸馏中获得油分。
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公开(公告)号:US5712797A
公开(公告)日:1998-01-27
申请号:US465680
申请日:1995-06-06
申请人: Bernard Descales , Didier Lambert , Jean-Richard Llinas , Andre Martens , Sebastien Osta , Michel Sanchez
发明人: Bernard Descales , Didier Lambert , Jean-Richard Llinas , Andre Martens , Sebastien Osta , Michel Sanchez
CPC分类号: G01N21/359 , G01N21/3577 , G01N33/2829
摘要: A method of determining or predicting a value P.sub.x of a property (e.g. octane number) of a material X or a property of a product of a process from said material or yield of said process, which method comprises measuring the absorption D.sub.ix of said material at more than one wavelength in the region 600-2600 nm, comparing the said absorptions or a derivative thereof with absorptions D.sub.im or the derivatives thereof at the same wavelength for a number of standards S in a bank for which the said property or yield P is known, and choosing from the bank at least one standard S.sub.m with property P.sub.m said standard having the smallest average value of the absolute difference at each wavelength i between the absorption D.sub.i x (or derivative thereof) for the material and the absorption D.sub.i m (or derivative thereof) for the standard S.sub.m to obtain the P.sub.x, with averaging of said properties or yields P.sub.m when more than one standard S.sub.m is chosen.
摘要翻译: 一种确定或预测材料X的性质(例如辛烷值)的值P x或来自所述材料的工艺产品或所述工艺的产率的性质的方法,该方法包括测量所述材料的吸收Dix 在600-2600nm的区域中多于一个波长,将所述吸收或其衍生物与吸收Dim或其衍生物在相同波长下比较所述性质或产率P已知的银行中的多种标准S 并且从所述存储体中选择具有性质Pm的至少一个标准Sm,所述标准具有在材料的吸收Dix(或其衍生物)和吸收Dim(或其衍生物)之间的每个波长i处的绝对差的最小平均值, 对于标准Sm来获得Px,具有所述性质的平均值或当选择多于一个标准Sm时获得Pm。
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