نتایج جستجو برای: formal ball

تعداد نتایج: 149358  

2007
Crystal Ball

Crystal balls are generally considered as a medium to perform divination or fortune-telling. These imaginations are mainly from some fantasy films and fictions, in which an augur can see into past, present, or future through a crystal ball. With the different impressions, crystal ball has revealed itself a perfect interface for the users to access and to manipulate visual media in an intuitive,...

The effects of mechanochemical treatment of monoclinic zirconia in high energy planetary ball mill on its phase transformation were investigated. The mechanical treatment in ball mill reduces the grain size, increases microstrain, and causes phase transition to metastable nanostructured tetragonal and cubic phases. XRD and TEM results show considerable amounts of amorphous phase during ball mil...

A. Saidi, A. Shafyei and N. J. Welham, N. Setoudeh,

Anatase-to-rutile phase transformation was studied in milled and unmilled samples. Ball milling was carried out in two types of ball mills, planetary and tumbler, with a ball-to-powder ratio of 40:1 over 2-48 hours. First, the unmilled samples &#10were heated in the furnace at various temperatures for different periods of time. The results revealed that the anatase-to-rutile transformation comp...

2017
Mark D. Stenglein David Sanchez-Migallon Guzman Valentina E. Garcia Marylee L. Layton Laura L. Hoon-Hanks Scott M. Boback M. Kevin Keel Tracy Drazenovich Joseph L. DeRisi

26 Inclusion body disease (IBD) is an infectious disease originally described in captive snakes. It has 27 traditionally been diagnosed by the presence of large eosinophilic cytoplasmic inclusions, and is 28 associated with neurological, gastrointestinal and lymphoproliferative disorders. Previously, we 29 identified and established a culture system for a novel lineage of arenaviruses isolated ...

1996
Jean-Yves Girard

We present a denotational semantics based on Banach spaces ; it is inspired from the familiar coherent semantics of linear logic, the role of coherence being played by the norm : coherence is rendered by a supremum, whereas incoherence is rendered by a sum, and cliques are rendered by vectors of norm at most 1. The basic constructs of linear (and therefore intuitionistic) logic are implemented ...

2008
Antonio Doménech

A description of billiard-ball collisions using a ‘discontinuous’ model is presented considering a two-step situation corresponding to the ball–ball interaction followed by ball-supporting surface interaction. It is applied to the inelastic impact of a cue ball having arbitrary pivotment and ‘English’ spins against an object ball initially at rest. This formulation provides a simplified approxi...

1998
William J. Peine Robert D. Howe

Detecting and localizing hard lumps in soft tissues is an important medical procedure. A psychophysics experiment measured minimum indentation forces required to detect a hard ball embedded in a soft rubber model. Ball size and finger indentation speed were varied. Threshold detection forces increased with ball size and decreased with indentation speed. The shape of the finger and contact press...

2007
Akira Nakashima Yosuke Kobayashi Yoshikazu Hayakawa

This paper propose a method to achieve wall juggling of a ball without rebound from a table by a racket attached to a robot manipulator with two visual camera sensors. The proposed method is composed of juggling preservation problem and ball regulation problem. The juggling preservation problem means going on hitting the ball iteratively. The ball regulation problem means regulating the hitting...

Journal: :mathematics interdisciplinary research 0
sejong kim chungbuk national university

in this article we review an algebraic definition of the gyrogroup and a simplified version of the gyrovector space with two fundamental examples on the open ball of finite-dimensional euclidean space, which are the einstein and möbius gyrovector spaces. we introduce the structure of gyrovector space and the gyroline on the open convex cone of positive definite matrices and see its interest...

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