نتایج جستجو برای: mean distance

تعداد نتایج: 804525  

عمادی , سیدعبداله, نصیری , ابراهیم,

Background and purpose: Spinal anesthesia is one of the most common techniques in general surgery. We studied the distance from skin to spine to determine whether there is any relationship between patients age, body mass index (BMÏ), weight and the distance from the skin to the spine. The measurment of the distance from skin to the spine is not as well preformed as the distance from skin to t...

Journal: :medical hypothesis, discovery and innovation ophthalmology journal 0
khosrow jadidi farhad nejat seyedaliasghar mosavi mostafa naderi ali katiraee leila janani

the aim of this study was to evaluate the effect of mechanical implantation of myoring in keratoconic patients with high myopia. this study comprised 32 eyes of 32 keratoconic patients (14 males, 18 females) with high myopia. all underwent myoring (dioptex gmbh) implantation using mechanical dissection with a pocket maker microkeratome and completed three months of follow-up. the main outcome m...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان تهران - دانشکده علوم اجتماعی و اقتصادی 1389

با توجه به مطالعات انجام شده در فصل دوم پایان نامه و مطالعه جامعه آماری فصل سوم که چارچوب نظری تحقیق از آن حاصل شد و پردازش پرسشنامه ها و آزمون فرضیات تحقیق می توان در مورد نتایج آماری به موارد زیر اشاره کرد : فرضیه اول: امکان اجرای چرخه مدیریت دانش در ساختارهای مجازی دانشگاه تهران وجود دارد. طبق نتایج آزمون فرضیات تحقیق و پس از بررسی نتایج بدست آمده مقدار میانگین متغیر مورد بررسی برابر mean ...

1997
T. L. Hayden K. V. Mardia J. T. Kent

10 to a distance matrix|if a completion does exist, then typically we want to nd it. Although the numerical optimization approach is not deenitive in the sense of Johnson and Tarazaga 8], it is constructive in the sense that it produces a sequence of dissimilarity matrices that converges to a completion. Beyond its ability to construct (approximate) completions, the compelling advantage of the ...

2012
Hong Dae Choi Pil Ja Seo Uk Lee

In the title compound, C(15)H(10)BrClO(2)S, the 4-bromo-phenyl ring makes a dihedral angle of 86.85 (6)° with the mean plane [mean deviation = 0.009 (2) Å] of the benzofuran fragment. In the crystal, mol-ecules are linked by slipped π-π inter-actions between the benzene and the furan rings of adjacent mol-ecules [centroid-centroid distance = 3.884 (2), inter-planar distance = 3.369 (2) and slip...

2012
Peter J. Waddell Xi Tan

The purpose of this article is to look at how information criteria, such as AIC and BIC, interact with the g%SD fit criterion derived in Waddell et al. (2007, 2010a). The g%SD criterion measures the fit of data to model based on a normalized weighted root mean square percentage deviation between the observed data and model estimates of the data, with g%SD = 0 being a perfectly fitting model. Ho...

2009
Sarah M. Vargas Flávia C. F. Araújo Fabrício R. Santos

Five out of the seven recognized species of sea turtles (Testudines) occur on the Brazilian coast. The Barcode Initiative is an effort to undertake a molecular inventory of Earth biodiversity. Cytochrome Oxidase c subunit I (COI) molecular tags for sea turtle species have not yet been described. In this study, COI sequences for the five species of sea turtles that occur in Brazil were generated...

2011
Lasitha B Samarakoon Kasun C Lakmal Sharmila Thillainathan Vipula R Bataduwaarachchi Dimonge J Anthony Rohan W Jayasekara

BACKGROUND Anatomically, it is difficult to give a systematic description of the superficial branch of the radial nerve (SBRN). Our aim was to describe the exact relationship of the SBRN to fixed bony points of radial styloid and Lister's tubercle, and to the cephalic vein. We also compared our data with other international studies. METHODS The study was a descriptive anatomical study. Twenty...

Journal: :caspian journal of environmental sciences 2007
w. kerenhap

the genetic variation and diversity among fifty-eight polyvoltine silkworm genotypes was estimated by using ten economic traits. the results revealed that the single shell weight showed higher genetic variation such as pcv% (17.20%), gcv% (12.93%), and heritability (56.5%) followed by single cocoon weight, shell ratio and matured larval weight. the d2 (mahalonobis? distance) statistics revealed...

1994
S. M. Kanbur

The use of Cepheids as distance indicators on Galactic and extragalactic distance scales is based upon the Cepheid period luminosity (PL) and period luminosity colour (PLC) relations. These relations are usually derived in terms of the properties of Cepheids at mean light – i.e. averaged over their pulsation cycle. In this paper, we derive a physical argument for the existence of PL and PLC rel...

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