Since removing the growth scores from the formula would leave districts unable to use the grid, something must replace that state - provided measure. (politico.com)
In order that ring - width variations from different cores can be compared, it is first necessary to remove the growth function peculiar to that particular tree. (climateaudit.org)
Instead of removing the growth substrate by wet - chemical etching, another approach is to peel away the graphene, and preserve the copper foil for future re-use. (sciencedaily.com)