Sentences with phrase «zinc ions from»

It is difficult to get useful DNA evidence from a spent bullet casing: copper and zinc ions from the brass alloy react with sweat to break down DNA, destroying evidence about who may have loaded a gun.

Not exact matches

University of Sydney researchers have found a solution for one of the biggest stumbling blocks preventing zinc - air batteries from overtaking conventional lithium - ion batteries as the power source of choice in electronic devices.
a b c d e f g h i j k l m n o p q r s t u v w x y z