Results 211 to 220 of about 15,049 (256)

Biomechanical study of screw-supported prosthesis in acetabular revision. [PDF]

Bone Joint Res
Wan Q, Xu M, Chen H, Xue H, Yuan B, Zhou B, Han Q, Zhao X, Wang J.   +8 more
europepmc   +1 more source

Locking Plate With or Without Cerclage Augmentation Versus Hook Plate for Neer Type II Distal Clavicle Fractures: A Single-Center Retrospective Cohort. [PDF]

Medicina (Kaunas)
Kim H, Park J.
europepmc   +1 more source

Zone II Flexor Tendon Repair - Number of Strands, Technique, and Postoperative Rehabilitation: A Narrative Review. [PDF]

Orthop Rev (Pavia)
Kiwan E, Saad R, Najjar J, Saadeh J, Osman R, Akleh A, Al Fakih O, Ghanem W, Moucharafieh R, Badra M.   +9 more
europepmc   +1 more source

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A performance comparison of locking methods with limited wait depth

IEEE Transactions on Knowledge and Data Engineering, 1997
A number of recent studies have proposed lock conflict resolution methods to improve the performance of standard locking, i.e., strict two-phase locking with the general waiting method. This paper is primarily concerned with the performance of wait depth limited methods with respect to each other and some other methods.
A Thomasian
exaly   +2 more sources

Performance analysis of locking methods with limited wait depth

Performance Evaluation, 1998
Abstract A number of recent studies have proposed lock conflict resolution methods to improve the performance of standard locking, i.e., the two-phase locking concurrency control method with the general waiting policy. The wait depth limited (WDL) method, which is an improvement on the running priority (RPS) method, outperforms other known ...
Alexander Thomasian
exaly   +2 more sources

Velocity and depth contours with a mode-locked pulse

Applied Optics, 1976
An expression is derived for the intensity in the reconstructed image of a three-dimensional object in motion. The particular cases of (1) a stationary three-dimensional object and (2) a moving object with exact path matching are treated separately. The displacement of the object during the exposure is assumed to be insignificant in comparison with the
S, Mallick, D, Malacara
openaire   +2 more sources

Defect depth quantification using lock-in thermography

Quantitative InfraRed Thermography Journal, 2015
In this paper we explore the defect evaluation in austenitic stainless steel (SS) using Lock-in technique and the effect of modulation frequency on defect detectability. A review of international literature indicates that while such studies have been attempted on materials like Perspex and composites, studies on austenitic SS like AISI 316, which are ...
Sharath Delanthabettu, Murugesan Menaka, Balasubramanian Venkatraman, Baldev Raj   +3 more
openaire   +1 more source

Depth-gated imaging using lock-in holography

Journal of the Optical Society of America B, 2002
Holographic depth-gated imaging is investigated with perpendicular-field multiple-quantum-well optically addressed spatial light modulators. It is shown that the signal-to-noise ratio of the image can be improved by use of the spatial light modulators in lock-in mode.
R. Mahon, W. S. Rabinovich, M. Bashkansky, S. R. Bowman, K. Ikossi-Anastasiou, D. S. Katzer   +5 more
openaire   +1 more source

Lock-in thermography with depth resolution on silicon solar cells

Solar Energy Materials and Solar Cells, 2018
Abstract Lock-in thermography (LIT) is the standard method for imaging and evaluating leakage currents in solar cells. For usually applied lock-in frequencies in the order of 10 Hz, silicon solar cells are considered to be thermally thin. Hence, depth-dependent investigations, as they are performed in non-destructive testing and failure analysis of ...
Breitenstein, O., Straube, H., Iwig, K.
openaire   +2 more sources

Lock-in thermography for evaluation of destruction area and determination of depth

SPIE Proceedings, 2007
Infrared Thermography is a Nondestructive Testing and Evaluating (NDT&E) technique that allows the non-contact inspection of systems and materials through a mapping of thermal patterns on the surface of the objects of interest. Defect detection principle in active thermography is based on the fact that a difference of thermal properties exists between ...
Zijun Wang, Junyan Liu, Jingmin Dai
openaire   +1 more source