As its name implies, the National Environmental Methods Index is a clearinghouse of methods relevant for monitoring components of the environment including water, sediment, air, and tissues. The index ...
Over the past several decades, various methods have been proposed to evaluate drilling costs and complexity, but because of the large number of factors and events that affect drilling performance, ...
An index or index number combines relative changes in various variables into one figure. Price and volume indices are important indicators in economic statistics. They give aggregated information on ...
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