More than 100,000 small-scale gold miners using rudimentary methods to extract gold from hillsides and rivers are thought to be active in Peru.
For a growing number of companies, it is also a business opportunity: many are developing cost-effective methods to extract nutrients from human waste, recycle wastewater, and burn captured methane gas for use in onsite energy production.
In the middle of the 13th century, the secular courts of northern Italy began to use torturous methods to extract confessions from suspected lawbreakers.
In rural villages across West Africa, women use traditional methods to extract the fat from shea nuts, producing shea butter, a solid, whitish-yellow vegetable fat.
Just because we have the methods to extract new insights doesn't make them valuable.
The approach requires enhancement methods to extract sufficient points.
There are several methods to extract soil information by spectral sensing.
Images are usually decomposed with BEMD using different interpolation methods to extract IMFs.
In previous studies, researchers have proposed a variety of methods to extract lip area [32, 33].
Based on face alignment, we present two methods to extract features.
One of the promising methods to extract this energy is dry slag granulation.
