{"title":"Trends and Open Questions in Industrial Tracer Applications","authors":"J. Guizerix","doi":"10.1080/10256018608623705","DOIUrl":null,"url":null,"abstract":"The assessment of trends in a given area can be considered as a projection for the future of a present situation resulting from an evolution in the past, analog to a problem of prediction in physics based on the estimation of first, second and third derivative. This exercise is a subjective one when, by analogy, the second and third derivatives are involved whereas main trends related to the first derivative are objectively perceived.","PeriodicalId":404027,"journal":{"name":"November 1986","volume":"25 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1986-12-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"November 1986","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1080/10256018608623705","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
The assessment of trends in a given area can be considered as a projection for the future of a present situation resulting from an evolution in the past, analog to a problem of prediction in physics based on the estimation of first, second and third derivative. This exercise is a subjective one when, by analogy, the second and third derivatives are involved whereas main trends related to the first derivative are objectively perceived.
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