We prove that for any lower semicontinuous function f : [0, 1] -> [0, 1] with purely unrectifiable graph and for any epsilon > 0 there is an open set U superset of graph f with every vertical section set of one-...
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We prove that for any lower semicontinuous function f : [0, 1] -> [0, 1] with purely unrectifiable graph and for any epsilon > 0 there is an open set U superset of graph f with every vertical section set of one-dimensional Lebesgue measure at most epsilon.
To solve the environmental problems caused by organic pollutants, in this work, the corn stalk biochar (BC) was prepared by high-temperature calcination, and a series of titanium dioxide/biochar composites (TiO2/BC) w...
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