نتایج جستجو برای: dynamic resistance of cones tip

تعداد نتایج: 21251093  

Journal: :Materials Letters 2022

• Hydrogen-induced softening of RPV steel with high DSA at 288 °C. Straining in DSA-regime induces plastic localisation and increased hydrogen-traps. HESIV HELP are dominant HE mechanisms active above-yielding post-necking stages, respectively. Fracture mechanics tests hydrogenated high-temperature water °C on low-alloy reactor pressure vessel dynamic strain aging (DSA) susceptibility revealed ...

Journal: :JAMA facial plastic surgery 2015
Thomas J Willson Tyler Swiss Jose E Barrera

IMPORTANCE Imparting surgical change to the nasal tip remains one of the most challenging aspects of rhinoplasty. The surgeon must assess the tip preoperatively and execute the necessary maneuvers to impart the desired change. OBJECTIVE To assess nasal tip resistance to compression in a cadaveric model before and after specific rhinoplasty maneuvers using a novel method. DESIGN, SETTING, AN...

Introduction: The most common approach for obturation of roots which were treated endodontically is lateral condensation. Finger spreaders have an essential role in packing the gutta-percha cones. This survey was carried out to compare the compaction index of root canal obturation made by Stainless Steel (SS) and Nickel-Ttitanium (Ni-Ti) spreaders and different gutta-percha tapers. Materials a...

Journal: :iranian journal of medical sciences 0
behrooz gandomi departments of otolaryngology, shiraz university of medical sciences, shiraz, iran mohammad hossein arzaghi departments of otolaryngology, shiraz university of medical sciences, shiraz, iran mohammad rafatbakhsh english languange, shiraz university of medical sciences, shiraz, iran

background: the technique of vertical dome division or tip defining, involves incising the lateral crura and vestibular skin at or lateral to the dome or tip defining point. the incision di-vides the lower lateral cartilage into a lateral segment and a medial segment, which are advanced anteriorly and sutured together to increase tip projection. the present study aimed at assessing a new vertic...

2015
Michael S. Smirnov Jeffrey S. Urbach

Throughout the process of development, billions of neuronal axons are responsible for navigating through the nervous system and synapsing onto their appropriate targets. To establish their individual paths, neurons are guided by a complex and dynamic map of biochemical, topographic, and mechanical signals. At the tip of each neurite lies the growth cone – a dynamic structure responsible for int...

Journal: :bulletin of the iranian mathematical society 2015
m. aghajani k. nourouzi d. óregan

in this paper, we investigate the continuity of linear and sublinear correspondences defined on cones in normed spaces. we also generalize some known results for sublinear correspondences.

Journal: :The Journal of neuroscience : the official journal of the Society for Neuroscience 2001
E W Dent K Kalil

Cortical neurons innervate many of their targets by collateral axon branching, which requires local reorganization of the cytoskeleton. We coinjected cortical neurons with fluorescently labeled tubulin and phalloidin and used fluorescence time-lapse imaging to analyze interactions between microtubules and actin filaments (F-actin) in cortical growth cones and axons undergoing branching. In grow...

Journal: :Journal of vision 2015
Florian S Bayer Vivian C Paulun David Weiss Karl R Gegenfurtner

We present an apparatus that allows independent stimulation of rods and short (S)-, middle (M)-, and long (L)-wavelength-sensitive cones. Previously presented devices allow rod and cone stimulation independently, but only for a spatially invariant stimulus design (Pokorny, Smithson, & Quinlan, 2004; Sun, Pokorny, & Smith, 2001b). We overcame this limitation by using two spectrally filtered proj...

Journal: :Science 2007
Irene Terry Gimme H Walter Chris Moore Robert Roemer Craig Hull

The reproductive organs of some plants self-heat, release scent, and attract pollinators. The relations among these processes are not well understood, especially in the more ancient, nonflowering gymnosperm lineages. We describe the influence of plant volatiles in an obligate pollination mutualism between an Australian Macrozamia cycad (a gymnosperm with male and female individuals) and its spe...

2005
Camilo Alvarez Brian Zuckerman John Lemke

Abstract A new system of multiple dynamic strain sensors and accelerometers embedded in test piles provides direct synchronous measurement of force and acceleration at various locations within a pile during high strain dynamic pile testing. This instrumentation system creates an opportunity to explore side and end bearing pile resistance distribution with a higher level of confidence and reliab...

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