نتایج جستجو برای: shear locking

تعداد نتایج: 83887  

Journal: :Singapore medical journal 2008
S K Goh J S B Koh M H Tan

Acute locking is a sign of internal derangement of the knee and is an orthopaedic surgical emergency. Differential diagnoses of this condition are torn meniscus, intra-articular loose bodies and torn anterior cruciate ligament. We present a 15-year-old schoolboy who developed acute locking of the knee during dancing. Arthroscopy revealed that he had sustained an osteochondral fracture of the pa...

2012
A. Rabinovich O. M. Umurhan N. Harnik F. Lott E. Heifetz

The somewhat counter-intuitive effect of how stratification destabilizes shear flows is reexamined, in what we believe to be the simplest example, in terms of action-at-a-distance interaction between ‘buoyancy-vorticity gravity wave kernels’. The setup consists of an infinite uniform shear Couette flow in which the Rayleigh-Fjortoft necessary conditions for shear flow instability are not satisf...

Journal: :Injury 2011
T Schepers E M M Van Lieshout M R De Vries M Van der Elst

INTRODUCTION There is a growing use of locking compression plates in fracture surgery. The current study was undertaken to investigate the wound complication rates of locking versus non-locking plates in distal fibular fractures. PATIENTS AND METHODS During a 6-year study period all consecutive, closed distal fibular fractures treated with either a locking or a non-locking plate were included...

2000
Woochun Jun Le Gruenwald

In this paper, a locking-based concurrency control scheme is presented for object-oriented databases (OODBs). It is designed for controlling accesses to class hierarchy, which is important concept in OODBs. Based on access frequency for each class, the proposed scheme incurs less locking overhead than existing works, explicit locking and implicit locking, for any OODB environments. In this pape...

2006
Liran Shimshi Amiel A. Ishaaya Vardit Ekhouse Nir Davidson Asher A. Friesem

A new approach for stable intra-cavity phase locking of several laser channels is presented. In this approach, special interferometric couplers are incorporated inside a laser resonator to obtain efficient self phase-locking between separate laser channels. We analyze the approach and demonstrate experimentally phase-locking of two and of four laser channels, that are derived from Nd:YAG lasers...

1996
Malcolm P. Atkinson Patrick Valduriez

We report on the issues raised when designing a customizable locking mechanism for Persistent Java, a type-safe, object-oriented, orthogonally persistent system based on the language Java. Customizable locking mechanisms are supported by locking capabilities. A locking capability is a book-keeper of locks that automatically acquires locks with a customizable connict detection mechanism. It impl...

1994
Lory D. Molesky Krithi Ramamritham

Signi cant performance advantages can be realized by implementing a database system on a shared memory multiprocessor. An e cient implementation of a lock manager is a prerequisite for e cient transaction processing in multiprocessor database systems. To this end, we advocate adopting an autonomous locking strategy. In autonomous locking, transactions acquire and release locks via operations on...

2009
GOETZ GRAEFE

B category, and a bubble attached to a node represents a set of archaeological records. The size of a bubble attached to a node reflects the number of records belonging to that category. The hyperbolic tree supports ‘‘focus + context’’ navigation; it also provides an overview of records organized in the archaeological digital library. It shows that the records are from seven archaeological site...

2008
Kyung Ho Ryu Sang Kyu Park Seong-Ook Jung

DLL is used as a clock generator due to its stable operation and relatively simple design. Analog DLL has the advantages of lower phase offset and lower clock jitter than digital DLL. However, locking speed is slow in analog DLL. This paper proposes a dual edge triggered phase detector to enhance the locking speed of analog DLL and suggests a closed-form expression of locking speed which can co...

Journal: :The Journal of neuroscience : the official journal of the Society for Neuroscience 2015
Eric Verschooten Luis Robles Philip X Joris

In the diverse mechanosensory systems that animals evolved, the waveform of stimuli can be encoded by phase locking in spike trains of primary afferents. Coding of the fine structure of sounds via phase locking is thought to be critical for hearing. The upper frequency limit of phase locking varies across species and is unknown in humans. We applied a method developed previously, which is based...

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