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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 ...
For the condition of short time this shows a meniscus front position proportional to time rather than the Lucas-Washburn square root of time, and the independence of viscosity demonstrates plug flow. As time increases after the initial time of acceleration, the equation decays to the familiar Lucas-Washburn form dependent on viscosity and the ...
[2] H.C. Williams reviewing the book for The Mathematical Gazette said: "This interesting book is written by a mathematician and an anthropologist and is aimed primarily at the non-mathematician. That said, it is well worth the attention of mathematicians, particularly teachers, who have an interest in pattern." [3]
Discover your creative side with the 'Easy Clay Earrings: Learn 3 Styles using Oven-Bake Clay' course, perfect for beginners. Learn to design earrings using Oven-Bake Clay under experienced online ...
The Fed slashed its benchmark rate by another quarter point on Wednesday, yet you can still lock in a certificate of deposit with guaranteed returns of up to 4.27% APY on terms of 12 months or ...
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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 ...
Brittany Mahomes is stepping up her WAG style in support of Patrick Mahomes!. At the Dec. 8, Kansas City Chiefs game against the Los Angeles Chargers at Arrowhead Stadium in Kansas City, Mo., the ...