نتایج جستجو برای: width ratios

تعداد نتایج: 187481  

2001
Grażyna Stasińska Daniel Schaerer Claus Leitherer

We constructed diagnostic diagrams using emission line ratios and equivalent widths observed in several independent samples of H ii galaxies. Significant trends are seen, both in the line ratio diagrams, and in diagrams relating line ratios to the equivalent width of Hβ. The diagrams are compared to predictions from photoionization models for evolving starbursts. This study extends the work of ...

2006
John R. Moore Homer L. Dodge

We present results from analysis of spectra from a sample of ∼ 900 quasars from the Sloan Digital Sky Survey. These objects were selected for their intermediate redshift (1.2 < z < 1.8), placing Mg II and UV Fe II in the optical band pass, relatively narrow Mg II lines, and moderately good signal-to-noiseratio spectra. Using a maximum likelihood analysis, we discovered that there is a significa...

2010
PIOTR TOFILO

A thorough examination has been performed of the thermally induced stresses on a window in an enclosure-fire environment. Analytical and numerical methods establish the importance of bridling stress (due to axial elongation) and flexing stress (due to normal deformation). Most previous studies omitted the consideration of flexing stresses. Maximum stresses, being the sum of bridling and flexing...

Journal: :Electronic proceedings in theoretical computer science 2023

Monoidal width was recently introduced by the authors as a measure of complexity decomposing morphisms in monoidal categories. We have shown that category cospans graphs, and its variants can be used to capture tree width, path branch width. In this paper we study matrices, an extension different open where connectivity information is handled with matrix algebra graphs are composed along edges ...

Journal: :Journal of esthetic and restorative dentistry : official publication of the American Academy of Esthetic Dentistry ... [et al.] 2012
Núbia Pavesi Pini Luciana Manzotti de-Marchi Bruno Frazão Gribel Adriana Lemos Mori Ubaldini Renata Corrêa Pascotto

OBJECTIVE   The purpose of this study was to assess the presence of the golden proportion (GP) in the facial view tooth-to-tooth width proportion of the six maxillary anterior teeth and to evaluate the width/height (W/H) ratios of the incisors of patients with maxillary lateral incisor (LI) agenesis treated either with implants or orthodontically (by moving canines into the position of the late...

2014
Nicholas D. Clement David F. Hamilton Richard Burnett

Purpose. To describe a reliable method of predicting native joint line and posterior condylar offset (PCO) using true lateral digital radiographs of the distal femur. Methods. PCO was measured relative to a line drawn parallel to the posterior cortex of the distal femur and the joint line was measured from the posterior condylar flare to the articular surface. A ratio was then calculated for th...

Journal: :European journal of orthodontics 2011
Farhana Ghaffar Mubassar Fida

The objective of the present study was to assess smile aesthetics after orthodontic treatment in subjects with and without the extraction of four first premolars. Post-treatment coloured frontal photographs (4 × 6 inches) of 60 Pakistani subjects, 21 males and 39 females, aged between 15 and 30 years were assessed by one examiner. For 50 per cent (n = 30) of the patients, treatment included the...

2015
Helena Pereira António José Alves Santos Ofélia Anjos

In this paper, the morphological properties of fiber length (weighted in length) and of fiber width of unbleached Kraft pulp of Acacia melanoxylon were determined using TECHPAP Morfi® equipment (Techpap SAS, Grenoble, France), and were used in the calibration development of Near Infrared (NIR) partial least squares regression (PLS-R) models based on the spectral data obtained for the wood. It i...

Journal: :Neurosciences 2014
Tianlun Qiu Guoliang Jin Wuqiao Bao

OBJECTIVE To investigate the correlations between morphological parameters and rupture status in cerebral aneurysm patients. METHODS We conducted a retrospective study of 34 patient records from March 2010 to December 2012. The morphological parameters of 34 ruptured and 42 unruptured cerebral aneurysms in 34 patients (males: female, 15:19; mean age 55.79+/-10.64 years) leading to subarachnoi...

Journal: :Signal Processing Systems 2010
Chung-Fu Lin Pei-Kung Huang Bing-Fei Wu

In this paper, we propose an efficient pipeline architecture for the DWT 9/7 filter defined in JPEG 2000. The proposed architecture is composed of column and row processors to perform the separable 2-D DWT. Based on the rescheduling DWT algorithm, we derive a new data flow graph to shorten the critical path. The proposed 1-D column processor requires less pipeline registers to achieve about the...

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