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Washburn's equation is also used commonly to determine the contact angle of a liquid to a powder using a force tensiometer. [ 5 ] In the case of porous materials, many issues have been raised both about the physical meaning of the calculated pore radius r {\displaystyle r} [ 6 ] and the real possibility to use this equation for the calculation ...
Download QR code; Print/export Download as PDF; ... A force balance equation known as Washburn's equation for the above material having cylindrical pores is given as ...
Schematic of a liquid drop showing the quantities in the Young equation. The contact angle (symbol θ C ) is the angle between a liquid surface and a solid surface where they meet. More specifically, it is the angle between the surface tangent on the liquid– vapor interface and the tangent on the solid–liquid interface at their intersection.
The primary difference between a computer algebra system and a traditional calculator is the ability to deal with equations symbolically rather than numerically. The precise uses and capabilities of these systems differ greatly from one system to another, yet their purpose remains the same: manipulation of symbolic equations.
Free trade supporters have worried this would break a top campaign promise for Trump: to rein in and prevent the record inflation figures seen under the Biden administration. Chinese President Xi ...
The rise in core (RIC) method is an alternate reservoir wettability characterization method described by S. Ghedan and C. H. Canbaz in 2014. The method enables estimation of all wetting regions such as strongly water wet, intermediate water, oil wet and strongly oil wet regions in relatively quick and accurate measurements in terms of Contact angle rather than wettability index.
The Washington Post argued in a new editorial that the benefits of gender-transition treatments for minors like puberty blockers have not been scientifically proven. "Treatment results that look ...
Download for award-winning coverage, crosswords, audio storytelling, the eNewspaper and more. This article originally appeared on USA TODAY: Max Fried contract with Yankees for eight years, $218 ...