نتایج جستجو برای: stressintensity factor sif

تعداد نتایج: 844822  

Journal: :Shape memory and superelasticity 2021

Abstract Fatigue crack growth of austenitic and martensitic NiTi shape memory alloys was analyzed, with the purpose capturing effects distinct stress-induced transformation mechanics in two crystal structures. Mode I experiments were carried out, near-crack-tip displacements captured by in-situ digital image correlation (DIC). A special fitting procedure, based on William’s solution, used to es...

2002
Sara McMains Jordan Smith Carlo Séquin

Over the last several years we have developed the Berkeley Solid Interchange Format (SIF) for layered manufacturing data exchange. By building both design software that outputs SIF as well as manufacturing software that processes the SIF input files, we gained insights into the concerns of both sides of data exchange – insights which often led to major changes in successive versions of the form...

Journal: :Remote Sensing of Environment 2021

Solar-induced fluorescence (SIF) is a subtle but informative optical signal of vegetation photosynthesis. Remotely sensed SIF integrates environmental, physiological and structural changes that alter photosynthesis at leaf, plant canopy scales. Radiative transfer models are ideally suited to investigate the complex sources variability in guide interpretation retrievals from airborne space-borne...

2010
Elisa Lloyd-Smith Evan Wood Ruth Zhang Mark W Tyndall Sam Sheps Julio SG Montaner Thomas Kerr

BACKGROUND Cutaneous injection-related infections (CIRI) are a primary reason individuals who inject drugs (IDU) are hospitalized. The objective of this study was to investigate determinants of hospitalization for a CIRI or related infectious complication among a cohort of supervised injection facility (SIF) users. METHODS From 1 January 1 2004 until 31 January 2008, using Cox proportional ha...

2017
Xinjie Liu Liangyun Liu Jiaochan Hu Shanshan Du

The measurement of solar-induced chlorophyll fluorescence (SIF) is a new tool for estimating gross primary production (GPP). Continuous tower-based spectral observations together with flux measurements are an efficient way of linking the SIF to the GPP. Compared to conical observations, hemispherical observations made with cosine-corrected foreoptic have a much larger field of view and can bett...

2009
Yang Li Qi Shi Alexandra M. Z. Slawin J. Derek Woollins Jinxiang Dong

The title compound, [Zn(C(2)H(8)N(2))(3)](SiF(6)), was synthesized ionothermally using choline chloride-imidazolidone as solvent and template provider. In the crystal structure, the anions and cations are located on special positions of site symmetry 3.2 and show a typical octa-hedral geometry. The Zn(II) ion is coordinated by six N atoms from three ethyl-enediamine mol-ecules. The crystal stru...

2012
Yong-Li Yang

In the title complex, {[Cu(SiF(6))(C(11)H(8)N(2)O)(2)]·2H(2)O}(n), the Cu(II) atom adopts an N(4)F(2)-octa-hedral coordination geometry with four pyridine N atoms in the equatorial sites and two F atoms in the axial sites. The di-3-pyridyl-methanone and hexa-fluoro-silicate ligands act as bidentate ligands, linking symmetry-related Cu(II) atoms. Water mol-ecules form O-H⋯O and O-H⋯F hydrogen bo...

Journal: :Progress in brain research 2006
J A Büttner-Ennever

The organization of the motoneuron subgroups in the brainstem controlling each extraocular eye muscle is highly stable through the vertebrate species. The subgroups are topographically organized in the oculomotor nucleus (III) and are usually considered to form the final common pathway for eye muscle control. Eye muscles contain a unique type of slow non-twitch, fatigue-resistant muscle fiber, ...

Journal: :Psychological assessment 2013
Amélie M Achim Matthieu J Guitton Philip L Jackson Laura Monetta

In this response to the comment by Champagne-Lavau and Moreau (2013), we acknowledge the importance of ecological mentalizing assessments that allow direct interactions between the agent and the person to whom mental states are attributed. Furthermore, we clarify that our model, the 8 sources of information framework (8-SIF; Achim, Guitton, Jackson, Boutin, & Monetta, 2013), aims to document th...

2017
Thomas Kerr Sanjana Mitra Mary Clare Kennedy Ryan McNeil

Canada has long contended with harms arising from injection drug use. In response to epidemics of HIV infection and overdose in Vancouver in the mid-1990s, a range of actors advocated for the creation of supervised injection facilities (SIFs), and after several unsanctioned SIFs operated briefly and closed, Canada's first sanctioned SIF opened in 2003. However, while a large body of evidence hi...

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