Search results
Results from the WOW.Com Content Network
By Barbier's theorem, the perimeter of this projection is π times the width, regardless of the direction of projection. It follows that every surface of constant width is also a surface of constant girth , where the girth of a shape is the perimeter of one of its parallel projections.
The Minkowski sum acts linearly on the perimeters of convex bodies, so the perimeter of K must be half the perimeter of this disk, which is π w as the theorem states. [ 3 ] Alternatively, the theorem follows immediately from the Crofton formula in integral geometry according to which the length of any curve equals the measure of the set of ...
When a section is a summary of another article that provides a full exposition of the section, a link to the other article should appear immediately under the section heading. You can use the {{ Main }} template to generate a "Main article" link, in Wikipedia's "hatnote" style.
By Barbier's theorem, the body's perimeter is exactly π times its width, but its area depends on its shape, with the Reuleaux triangle having the smallest possible area for its width and the circle the largest. Every superset of a body of constant width includes pairs of points that are farther apart than the width, and every curve of constant ...
Search PubMed for your journal article and enter the PMID (PubMed Identifier) into Diberri's template filler. If you use Internet Explorer or Mozilla Firefox (2.0+), then Wouterstomp's bookmarklet can automate this step from the PubMed abstract page. Take care to check that all the fields are correctly populated, since the tool does not always ...
Example 1: An article on new traffic regulations starts with the key decisions made, then narrates public reactions, and concludes with an overview of expected impacts. Example 2: In a scientific report, the hourglass structure may present research findings first, followed by the methodology used, and conclude with implications and future ...
Articles start with a lead section (WP:CREATELEAD) summarising the most important points of the topic.The lead section is the first part of the article; it comes above the first header, and may contain a lead image which is representative of the topic, and/or an infobox that provides a few key facts, often statistical, such as dates and measurements.
The easiest way to populate the journal and book citation templates is to use Diberri's template-filling web site or the Universal reference formatter. Search PubMed for your journal article and enter the PMID (PubMed Identifier) into Diberri's template filler or the Universal reference formatter [dead link ].