نتایج جستجو برای: crest scale
تعداد نتایج: 587866 فیلتر نتایج به سال:
Graph Machine Thejaka Amila Kanewala Marcin Zalewski Andrew Lumsdaine Center for Research in Extreme Scale Technologies (CREST) Indiana University, IN, USA {thejkane,zalewski,lums}@indiana.edu
Recently, we have shown that the differential properties of the surfaces represented by 3D volumic images can be recovered using their partial derivatives. For instance, the crest lines can be characterized by the first, second and third partial derivatives of the grey levrl function I(x,y,z) . This paper deals with the following points : the computation of the partial derivatives of an image c...
In order to describe the phenomenon of intermittency in wall turbulence and, more particularly, the behaviour of moments p r V δ and p r ε and intermittency exponents ζP with the order p and distance to the wall, we developed a new geometrical framework called “entropic-skins geometry” based on the notion of scale-entropy which is here applied to an experimental database of boundary layer flows...
Purpose This study was to determine the efficacy of iliac crest reconstruction using bone cement in reducing pain and morbidity at the donor site in patients undergoing open wedge high tibial osteotomy (OWHTO) with tricortical iliac crest autologous graft. Materials and Methods Thirty-three patients who underwent iliac crest reconstruction using polymethyl methacrylate (PMMA) bone cement (gro...
BACKGROUND There is considerable controversy about the long-term morbidity associated with the use of posterior autologous iliac crest bone graft for lumbar spine fusion procedures compared with the use of bone-graft substitutes. The hypothesis of this study was that there is no long-term difference in outcome for patients who had posterior lumbar fusion with or without iliac crest autograft. ...
Objective. Evaluation of the efficacy of Crest Herbal Crystal Toothpaste in "clearing internal heat." Methods. This was a randomized, double-blind, controlled parallel design clinical test of a product that was already on the market. 72 subjects were randomly assigned to control group (group A with Colgate Herbal Salty Toothpaste) or treatment group (group B with Crest Herbal Crystal Toothpaste...
Title of Thesis: ROCK FABRIC ANALYSIS OF THE SIERRA CREST SHEAR ZONE SYSTEM, CALIFORNIA: IMPLICATIONS FOR CRUSTAL-SCALE TRANSPRESSIONAL SHEAR ZONES Callan Bentley, Master of Science, 2004 Thesis Directed By: Dazhi Jiang, Assistant Professor, Geology Department Crustal-scale tabular shear zones are common features of transpressional orogens and arcs. Though foliation development in shear zones i...
Bone morphogenetic protein (BMP) gradients provide positional information to direct cell fate specification, such as patterning of the vertebrate ectoderm into neural, neural crest, and epidermal tissues, with precise borders segregating these domains. However, little is known about how BMP activity is regulated spatially and temporally during vertebrate development to contribute to embryonic p...
The 'neural plate border' of vertebrate embryos contains precursors of neural crest and placode cells, both defining vertebrate characteristics. How these lineages segregate from neural and epidermal fates has been a matter of debate. We address this by performing a fine-scale quantitative temporal analysis of transcription factor expression in the neural plate border of chick embryos. The resu...
statement of the problem early detection of periodontal disease and distruction is important for prevention of further destruction of the tissues. we carried out this study to determine the normal cement enamel junction (cej) to alveolar bone crest (abc) distance in the interproximal area of primary molars on bitewing (b. w) radiographs in healthy 7-9 year old girls living in hamadan, iran. mat...
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