Dual-energy X-ray absorptiometry. Dual-energy X-ray absorptiometry (DXA, previously DEXA) is a means of measuring bone mineral density (BMD). Two X-ray beams, with different energy levels, are aimed at the patient's bones. When soft tissue absorption is subtracted out, the BMD can be determined from the absorption of each beam by bone.
Six Sigma Green Belt â Choosing Wise Projects and Teams. A Six Sigma Green Belt is a certification that employees or one person can earn through Six Sigma courses. This type of training offers you the knowledge to skillfully see how to make improvements throughout a company, and even methodologies on team building and leadership. As a Green Belt in Six Sigma you will have already taken prior Six Sigma Yellow Belt training, teaching you the basics.
The Rust Belt is a term for the region straddling the upper Northeastern United States, the Great Lakes, and the Midwest States, referring to economic decline, population loss, and urban decay due to the shrinking of its once powerful industrial sector.The term gained popularity in the U.S. in the 1980s.ince the 1980s, presidential candidates have devoted much of their time to the economic concerns of the Rust Belt region, which contains the populous swing states of Pennsylvania, Ohio, and Michigan.