نتایج جستجو برای: multivariate curve resolution
تعداد نتایج: 517633 فیلتر نتایج به سال:
In longitudinal research investigators often measure multiple variables at multiple points in time and are interested in investigating individual differences in patterns of change on those variables. In the vast majority of applications, researchers focus on studying change in one variable at a time. In this article we consider methods for studying relations1.1ips between patterns of change on ...
Cellular processes are intrinsically complex and dynamic, in which a myriad of cellular components including nucleic acids, proteins, membranes, and organelles are involved and undergo spatiotemporal changes. Label-free Raman imaging has proven powerful for studying such dynamic behaviors in vivo and at the molecular level. To construct Raman images, univariate data analysis has been commonly e...
Second order advantage of excitation-emission fluorescence matrix was applied for the simultaneous determination of ibuprofen and caffeine. The proposed method is based on the measurement of the native fluorescence and recording emission spectra of ibuprofen and caffeine in different excitation wavelengths. The mixture of these compounds was resolved by multivariate curve resolution coupled wit...
Understanding how learning occurs, and what improves or impedes the learning process is of importance to academicians and practitioners; however, empirical research on validating learning curves is sparse. This paper contributes to this line of research by collecting and analyzing CAD (computer-aided design) procedural and cognitive performance data for novice trainees during 16-weeks of traini...
Background and Aim: The Paralympic Games are a major international multi-sport event for athletes with physical disabilities or intellectual impairments. The current study develops a model of the effect of cultural intelligence on conflict resolution and the success of Iranian Paralympic athletes. Methods: This is a descriptive correlational study. Participants in this study were 124 athletes w...
Abstract In this study, a combination of target and untargeted analytical chemometric approaches are proposed to assess the metabolic changes freshwater flea Daphnia magna produced by exposure environmental endocrine disruptor, bisphenol A. The extraction procedures were optimized for 23 representative metabolites using different number daphnids two set ups. Control A exposed D. extracted sampl...
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