WITH reference to Prof. A. H. Shapiro's recent communication 1 on the above subject, I venture to call attention to the fact that in 1908 the Austrian physicist, O. Turmlïtz, described careful ...

Reviewers have tested some of the products below and may have received some products from the manufacturers for free. All opinions are the reviewers’ own. These full-spectrum gummies are ...

They’re called field-improvised solutions and tools (FISTs). Sometimes it’s necessary to do things that aren’t factory-approved or by-the-book to get crippled machinery moving again.

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We find that the sieve plate resistance is correlated to the cell lumen resistance, and that the sieve plate and the lumen contribute almost equally to the total hydraulic resistance of the phloem ...

In 1951, Gorlin and Gorlin proposed the “hydraulic orifice equation” for calculation of valve area in valvular stenosis. 8 The Gorlin formula was based on the fundamental equation: equation in which ...