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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 ...
Washburn was born in Beatrice, Nebraska, in the family of William Gilmor Washburn, a lumber and brick merchant. Having taken all the chemistry courses available at the University of Nebraska (1899–1900) while teaching high school students (1899–1901), he entered the Massachusetts Institute of Technology in 1901, receiving a B.S. in ...
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 ...
On Ukraine, Zients added that Biden will “do more” to get the country “in the best position possible” — and that he will deliver “additional artillery rounds, air defense, and other ...
$1.89 per 8-ounce block. Sharp Cheddar is a well-deserved favorite among Aldi shoppers, and it’s easy to see why. Its bold, tangy flavor makes it the perfect addition to nearly any dish.
A simple arithmetic calculator was first included with Windows 1.0. [5]In Windows 3.0, a scientific mode was added, which included exponents and roots, logarithms, factorial-based functions, trigonometry (supports radian, degree and gradians angles), base conversions (2, 8, 10, 16), logic operations, statistical functions such as single variable statistics and linear regression.
MathType is a graphical editor for mathematical equations, allowing entry with the mouse or keyboard in a full graphical WYSIWYG environment. [2] This contrasts to document markup languages such as LaTeX where equations are entered as markup in a text editor and then processed into a typeset document as a separate step.