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The profile-based fold recognition approach was first described by Bowie, Lüthy and David Eisenberg in 1991. [1] The term threading was first coined by David Jones, William R. Taylor and Janet Thornton in 1992, [2] and originally referred specifically to the use of a full 3-D structure atomic representation of the protein template in fold ...
A concertina fold, also known as a zig-zag fold, accordion fold or z-fold, is a continuous parallel folding of brochures and similar printed material in an accordion-like fashion, that is with folds alternatively made to the front and back in zig-zag folds. Because they do not nest (as in Letter Folds) panels can be the same size.
Martin Gardner included this fold, described as both a bug catcher and fortune-teller, in a column in Hugard's Magic Monthly, titled "Encyclopedia of Impromptu Magic", in the 1950s. [22] Although the phrase "cootie catcher" has been used with other meanings in the U.S. for much longer, [ 23 ] the use of the phrase for paper cootie catchers in ...
A bi-fold brochure results in four panels (two panels on each side), while a tri-fold results in six panels (three panels on each side). [ 5 ] Other brochure fold arrangements are possible: the accordion or "z-fold" method, the "c-fold" method, etc. Larger sheets, such as those with detailed maps or expansive photo spreads, are folded into four ...
The regular paperfolding sequence corresponds to folding a strip of paper consistently in the same direction. If we allow the direction of the fold to vary at each step we obtain a more general class of sequences. Given a binary sequence (f i), we can define a general paperfolding sequence with folding instructions (f i).
Print an AOL Calendar. Learn how to print your AOL Calendar and keep a physical copy of your schedule. Calendar · Oct 28, 2023. Manage AOL Calendar settings.
These fibers must run lengthwise along the fold, which influences the alignment, hence the position, of the pages on the printed sheet. Finishing and binding; To understand how the pages are related to each other, an imposition dummy may be used. This is made by folding several sheets of paper in the way the press will print and fold the product.
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