Material Flow in Ultrasonic Orbital Microforming

Ultrasonic orbital microforming—UOM—uses the broadly understood idea of orbital forging but uses very different laws of physics.The only shaping force in this process is the inertia force resulting from the acceleration in the rotary motion of the workpiece.Micro specimen blanked from cold rolled aluminum sheet metal was used in the app

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Clasp knife in the gut: a case report

Abstract Background A wide range of foreign bodies has been retrieved from the gut and reported.The presentation may be in the form of complications like intestinal obstruction, perforation and formation of abscesses etc but there is no case report of a half open clasp knife being retrieved from the ileum, the patient having thrived, in spite of it

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Boosting Fraud Detection in Mobile Payment with Prior Knowledge

With the prevalence of mobile e-commerce, fraudulent transactions conducted by robots are becoming increasingly common in mobile payments, which is severely undermining market fairness and resulting in financial losses.It has become a difficult problem for mobile applications to identify robotic automation accurately and efficiently from a massive

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Winter activity of the snake-eyed lizard Ophisops elegans (Reptilia: Lacertidae) in the northwesternmost part of its range

There is a lack of information for potential winter activity of the snake-eyed lizard Ophisops elegans in Europe, scrunchies where it has a limited distribution.To test the hypothesis that this species can be active during the winter months, two locations in Bulgaria were chosen.The visits were conducted in January, February and December 2022 near

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