نتایج جستجو برای: punching test

تعداد نتایج: 813062  

Journal: :International Journal of Legal Medicine 2020

Journal: :Mathematical and Computer Modelling 1990

Journal: :Journal of the Textile Machinary Society 1965

Journal: :Journal of the American Board of Family Medicine : JABFM 2015
Alyson Snyder Sara E West Christopher M Miles Steven R Feldman

Melanoma is a common, potentially deadly disease but is curable if caught early. A specimen of a pigmented lesion must capture the entire width and depth of the lesion to evaluate the lesion's size, symmetry, and circumscription. Saucerization shaving, punching, and excision biopsy are 3 techniques that can be used to achieve a satisfactory specimen. Physicians should have a low threshold to bi...

Journal: :Journal of Renewable Materials 2022

The Moso bamboo, a renewable green building material used in various new buildings, have received extensive attention with the promotion of concept buildings. To explore mechanical properties bamboo connections external clamp steel plates, 16 specimens were designed by changing bolt diameters and end distances holes. Their static tension tests conducted to investigate bearing capacities failure...

2008
Jin Han Lee Carlos Nieto Michael Novitzky

In 2008, Nao robots played soccer for the first time in Robocup in Suzhou, China. This robots are developed to play soccer and for entertainment (e.g. dancing, interacting with children). This report presents that using different motion planning methods (e.g. inverse kinematics, RRTs, potential fields), allows this robot to do more complicated tasks like boxing. The main challenge is to deal wi...

Journal: :Micromachines 2015
Huixia Liu Jianwen Li Zongbao Shen Qing Qian Hongfeng Zhang Xiao Wang

The aim of this paper is to fabricate micro-gears via laser shock punching with Spitlight 2000 Nd-YAG Laser, and to discuss effects of process parameters namely laser energy, soft punch properties and blank-holder on the quality of micro-gears deeply. Results show that dimensional accuracy is the best shocked at 1690 mJ. Tensile fracture instead of shear fracture is the main fracture mode under...

2016
M. Ahrens

In the area of metal forming the production of micro-components in huge quantities by cutting plays a central role. These components are often manufactured on modified mechanical high speed presses with stroke rates of up to 4,000 strokes per minute (spm) and punching forces of up to 2,000 kN. In terms of maximum cutting force and overall size of the punching machine, this may represent a signi...

2017

Gilles de la Tourette’s syndrome, or Tourette’s syndrome (TS), is a neurodevelopmental condition characterized by multiple motor and vocal tics, which appear in childhood and are often accompanied by behavioral symptoms [1]. The chronic presence of at least two motor tics and one vocal tic since childhood is recognized as the key feature of Tourette’s syndrome [1,2]. Motor tics (facial grimacin...

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