منابع مشابه
LipoWise: A New Generation of Skinfold Calipers
The skinfold caliper is a non-invasive anthropometric technique regularly used to assess the nutritional status of clinical and non-clinical individual samples for evaluation of body composition percentage. A skinfold caliper allows obtaining important anthropometrical data using a simple and portable tool, with a non-invasive and cost-effective procedure. Using regression equations, the skinfo...
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Shamos [1] recently showed that the diameter of a convex n-sided polygon could be computed in O(n) time using a very elegant and simple procedure which resembles rotating a set of calipers around the polygon once. In this paper we show that this simple idea can be generalized in two ways: several sets of calipers can be used simultaneously on one convex polygon, or one set of calipers can be us...
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We introduce a quantale-valued generalization of approach spaces in terms of quantale-valued gauges. The resulting category is shown to be topological and to possess an initially dense object. Moreover we show that the category of quantale-valued approach spaces defined recently in terms of quantale-valued closures is a coreflective subcategory of our category and, for certain choices of the qu...
متن کاملSimple pressure gauge for uranium hexafluoride.
A sensitive detector and pressure gauge for uranium hexafluoride in high-vacuum systems is described. Negative surface ionization of UF(6) occurs on ribbon filaments operated at temperatures too low for electron emission to be significant. The ion current measured on a cylindrical collector surrounding the filament assembly varies regularly with UF(6) pressure below 10(-3) Torr. Different filam...
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Dear Editor, Intravitreal injection of drugs such as anti-vascular endothelial growth factor (anti-VEGF) agents and corticosteroids has shown encouraging results in the treatment of many ocular diseases. In developed countries, this type of injection is probably the most frequently performed vitreoretinal procedure. However, it has the potential for serious complications, such as endophthalmiti...
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ژورنال
عنوان ژورنال: The Lancet
سال: 1897
ISSN: 0140-6736
DOI: 10.1016/s0140-6736(01)94742-7