They cut across traditional industry classifications and are concentrations of interconnected companies and institutions co-located in a specific geographic region and linked by commonalities and complementarities in a particular field (Ketels, 2003; Porter, 1998, 2000; Porter et al., 2004).
Because U.S. EPA ecoregion designations encompass human impacts such as land use in addition to natural geological, climatic, and soil characteristics (Omernik 1995), observed intraregion differences in riparian land cover classification and nutrient concentrations were expected.
Detailed methods for interpreting toxicologic and epidemiologic research are provided, and concentration limits trigger classification of a mixture into each hazard category.
We applied the automated classification to GPS routes and concentrations of PM2.5, and compared the results to diary-based classifications.
A program, implementing efficient Support Vector Machine and least square model algorithms, executes the gas classification, the concentration estimation and warns about set risk thresholds overcoming.
Control and concentration.
Enhances Focus And Concentration.
Memory and concentration problems.
Memory and concentration lapses.
§ 51.1002 Classifications and reclassifications.
