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Powder wettability measurement with the Washburn method. In its most general form the Lucas Washburn equation describes the penetration length ( L {\displaystyle L} ) of a liquid into a capillary pore or tube with time t {\displaystyle t} as L = ( D t ) 1 2 {\displaystyle L=(Dt)^{\frac {1}{2}}} , where D {\displaystyle D} is a simplified ...
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The dedicated medical staff at a Duquesne women's basketball game sprang into action last month to save Ed Wesolowski, a father of three, after he suffered a widow-maker heart attack and collapsed ...
A simple representation can be made by defining two oppositely charged polyions as + and -, and defining the wash step as W. To make an LbL film with 5 bilayers one would deposit W+W-W+W-W+W-W+W-W+W-W, which would lead to a film with 5 bilayers, specifically + - + - + - + - + - .
It’s NASCAR’s turn to throw its version of the Super Bowl, and the Daytona 500 is trying hard to match the hype after being delayed for hours due to rain. Captain America actor Anthony Mackie ...
President Donald Trump has formulated a plan to force New York to “kill” congestion pricing tolls in the city by withholding funds through the Department of Transportation, he told The New ...
Assisted by his graduate student A.L. Washburn, Cannon set out to test whether stomach contractions were responsible for signaling hunger to the brain. Arthur Lawrence Washburn (1887-1965) was a graduate student at Harvard Medical School when he participated in the hunger experiment. Washburn had entered Harvard College in 1906 and graduated ...
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