In the Beer Lambert Law (equation 3) the term IT/Io is called transmittance. This form of spectroscopy has a setup similar to the one used for Absorption. Reflectance spectroscopy is the study of light as a function of wavelength that has been reflected or scattered from a solid, liquid, or gas.
Definition of metadata: Data that serves to provide context or additional information about other data. For example, information about the title, subject, author, typeface, enhancements, and size of the data file of a ...
Metadata, or information about data, is used to tag or index digital content items such as documents. In the context of a Content Management System (CMS), metadata is used to help organizations automate the classification and search, report, and exchange of digital content items.s in the MP3 content classification example, the OASIS eTMF content model uses a published set of content classification categories in a hierarchy, as shown in Figure 12. Each content classification primary category contains Sub-Categories and Content Types.