The simulation results show that the designed IWLSSVR-based soft sensor is more robust when the measured data have some impurities.
However, Set A and C also showed antimicrobial activity but had some impurities.
Variations in Ca, Mg, and Na concentrations in the soil can be attributed to the presence of native calcite or gypsum that might had some Mg impurities and quality of irrigation water (U.S. Department of Agriculture-Natural Resources Conservation Service 2010).
He had found some impurities — inferior beans that the civet had spat out; beans chewed on, not by civets, but bats — that were indiscernible to all but Mr. Sibayan's expert eye or, rather, tongue.
Phosphorescence also has some disadvantages such as lighting impurity, unstability, and so on.
"We didn't believe it, and thought there must have been some impurities," Makarova says.
And when you have chowed down on your big bowl of nothing, ideally washed down with mineral water (tap water has impurities! Impurities make you fat!), make sure you puke up the lot.
Orocobre is conducting a feasibility study for mining the Salar de Olaroz — a salt flat, just across the border from Bolivia, that is much smaller than the Salar de Uyuni but has fewer impurities, according to James Calaway, Orocobre's chairman.
Furthermore, deep cold water has fewer impurities and more nutrients, thereby increasing aqua-farming yields.
Although glass isn't supposed to flow at room temperature, old glass has many impurities that might help it ooze.
