Results 31 to 40 of about 96,216 (303)

To knot or not to knot

open access: yes, 2006
We study the formation of knots on a macroscopic ball-chain, which is shaken on a horizontal plate at 12 times the acceleration of gravity. We find that above a certain critical length, the knotting probability is independent of chain length, while the time to shake out a knot increases rapidly with chain length. The probability if finding a knot after
Hickford, J.   +3 more
openaire   +2 more sources

Knot Floer Homology of (1, 1)-Knots [PDF]

open access: yesGeometriae Dedicata, 2005
17 pages, 17 ...
Goda, H., Matsuda, H., Morifuji, T.
openaire   +3 more sources

Impact of Structural Defects on the Surface Quality of Hardwood Species Sliced Veneers

open access: yesApplied Sciences, 2020
The surface roughness constitutes one of the most critical properties of wood and wood veneers for their extended utilization, affecting the bonding ability of the veneers with one another in the manufacturing of wood composites, the finishing, coating ...
Vasiliki Kamperidou   +2 more
doaj   +1 more source

Arthroscopic Iliac Crest Bone Grafting for Shoulder Glenoid Defect Augmentation Using a "Three-Pulley Four-Point Antirotation" Suture Anchor Technique. [PDF]

open access: yesArthrosc Tech
Abstract Treatment options for severe glenoid bone defects caused by recurrent anterior shoulder instability include autologous coracoid transfer and bone graft reconstruction. The effect of bone‐grafting techniques is satisfactory, and the fixation methods for the bone block include screws or suture buttons.
Gong L   +5 more
europepmc   +2 more sources

Accidental knotting and subsequent removal of a catheter from the epidural space in an adult cow: a case report

open access: yesClinical Case Reports, 2017
Key Clinical Message This is the first reported case in the veterinary literature of a knot in an epidural catheter. The report reviews this very rare complication and describes options for investigation and retrieval of catheters entrapped in the ...
Graeme M. Doodnaught   +3 more
doaj   +1 more source

Bending Strength Prediction and Finite Element Analysis of Larch Structural Beams

open access: yesBioResources, 2023
The material constants of wood required for finite element analysis (FEA) are usually calculated using small clear specimens. However, defects, such as knots and slope of grain affect the strength reduction in the full-size specimens.
Seung-Youp Baek   +3 more
doaj   +2 more sources

Predictive Value of Composite Inflammatory Markers for Stroke Prognosis: A Prospective Cohort Study

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Background Novel composite inflammatory markers' role in stroke prognosis is understudied, and the best predictor is unclear, requiring further exploration. Objectives This study aimed to systematically evaluate the associations of 6 novel composite inflammatory markers on stroke prognosis.
Bing Wu   +7 more
wiley   +1 more source

Quantum knots and the number of knot mosaics [PDF]

open access: yesQuantum Information Processing, 2014
Lomonaco and Kauffman developed a knot mosaic system to introduce a precise and workable definition of a quantum knot system. This definition is intended to represent an actual physical quantum system. A knot (m,n)-mosaic is an $m \times n$ matrix of mosaic tiles ($T_0$ through $T_{10}$ depicted in the introduction) representing a knot or a link by ...
Seungsang Oh   +3 more
openaire   +4 more sources

Longitudinal Changes in Adiposity After a Youth Sport‐Related Knee Injury: Informing Posttraumatic Osteoarthritis Prevention

open access: yesArthritis Care &Research, EarlyView.
Objective Youth who experience a sport‐related knee injury have elevated odds of becoming overweight or developing obesity in 3 to 10 years, compounding their risk for posttraumatic osteoarthritis (PTOA). To inform prevention strategies, this study compared patterns of adiposity change between youth with a sport‐related knee injury and uninjured youth ...
Justin M. Losciale   +6 more
wiley   +1 more source

Biodegradable and Biocompatible Functional Polymers for Biomedical Applications

open access: yesAdvanced Functional Materials, EarlyView.
Biodegradable and biocompatible functional polymers integrate electrical, mechanical, and stimuli‐responsive functionalities while enabling programmed degradation under physiological conditions. This review introduces recent advances in conductive, shape‐memory, self‐healing, photocurable, and adhesive polymer systems, emphasizing material design ...
Won Bae Han   +5 more
wiley   +1 more source

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