نتایج جستجو برای: a set of independent sample t

تعداد نتایج: 23383349  

Journal: :iranian journal of neonatology 0
farhad salehzadeh - pediatrics department, bouali hospital, ardabil university of medical sciences, ardabil, iran mehrdad mirza rahimi pediatrics department, bouali hospital, ardabil university of medical sciences, ardabil, iran sepideh janhangiri bouali hospital, university of medical sciences, ardabil, iran shahram habibzadeh emam khoumiany hospital, ardabil university of medical sciences, ardabil, iran nayyereh amini sani faculity of medicine, ardabil university of medical sciences, ardabil, iran morteza samshirgara bouali hospital, ardabil university of medical sciences, ardabil, iran

objective: neonatal  jaundice (nj)  is  one of the  most  common  cause  of  neonatal  hospital  admission.  phototherapy is the main therapy for hyperbilirubinemia of neonatal jaundice. the efficacy of phototherapy depends on the dose and wavelength of light used and the surface area exposed. we  increased  photons  in  mirror  covered  tunnel  phototherapy  (mctp)  by  putting  mirrors behind...

2012
Luis Barba

In this paper we describe the randomized parallel algorithm proposed by Blelloch et al. [BFS12] to compute a Maximal Independent Set (MIS) of a given graph. We implemented their algorithm as well as the fastest sequential algorithm and compared their performance with different input graphs. Furthermore, we compared the number of rounds in both the sequential and parallel algorithms and present ...

ژورنال: دانشور پزشکی 2017
دادوند, سیده شیوا, دریانوش, فرهاد,

Background and Objective: Depression is one of the most common mental disorders, which imposes a large burden on the health care system. The purpose of this study was to determine the effect of a period of aerobic training on blood levels of serotonin and endorphin and decreasing depression in addicted women to drug.   Materials and Methods: This study was a quasi-experimental study. A t...

Journal: :iranian endodontic journal 0
hamid razavian pedram iranmanesh hamid mojtahedi rahman nazeri

introduction: presence of surface defects in endodontic instruments can lead to unwanted complications such as instrument fracture and incomplete preparation of the canal. the current study was conducted to evaluate the effect of autoclave cycles on surface characteristics of s-file by scanning electron microscopy (sem). methods and materials: in this experimental study, 17 brand new s-files (#...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان تهران - دانشکده علوم انسانی 1391

this study sought to examine the effect of cooperative game on iranian students achievements in english alphabet learning. cooperative games are games, in which players or teams work together towards a common goal without defeating someone. the methodology used in this study was experimental. the population of the study was 60 female students from the grade one in secondary school in tabriz, ir...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه کاشان - دانشکده ادبیات و زبانهای خارجی 1392

abstract this study aimed at investigating the possible relationship between self-assessment in writing and self-regulation of iranian efl learners. the main purpose of the study was not only to report and inform about this relationship, but also to investigate and find practical outcomes of the incorporation of self-assessment in writing, such as improving writing skill. the research was carr...

Ali Dolati, Marzieh Shekari, Mina Towhidi,

‎Independent random‎ ‎variables $Y_{1},ldots‎ ,‎Y_{n}$ belongs to the‎ ‎proportional reversed hazard rate (PRHR) model with‎ ‎proportionality parameters $lambda_1,...,lambda_n$‎, ‎if‎ ‎$Y_{k}sim G^{lambda _{k}}(x)$‎, ‎for $k=1,...,n$‎, ‎where $G$ is an‎ ‎absolutely continuous distribution function‎. ‎In this paper we compare‎ ‎the smallest order‎ ‎statistics‎, ‎the sample ranges and th...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد تهران مرکزی - دانشکده ادبیات و علوم انسانی 1389

abstract abstract of thesis (includes summary, goals, execution methods, and results) story “al-obnosat al-bayza” is one of the short stories from “hanna mineh” collection. this story is a selection of lives of some humans during a voyage together, each of them is a symbol of human nature (love, mind, kindness) and examine social, cultural, and political aspects of governing system, and it...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه زنجان - دانشکده علوم انسانی 1389

abstract this study evaluated and compared medical terminology and english for the students of medicine (ii) as two representatives of the textbooks available on the iranian market for teaching english to the students of medicine. this research was performed on the basis of a teacher’s and a number of students’ attitudes and the students’ needs analysis for two reasons: first, to investigate...

Journal: :مدیریت ورزشی 0
اکرم راشد کارشناس ارشد دانشگاه شمال فضل اله زارعپور نصیرآبادی دانشجوی دکتری دانشگاه آزاد علوم و تحقیقات کرمان

the aim of this research was to explain the difference in the dimensions of learning organization between federations of team and individual sports. this research was a comparative survey. the statistical population consisted of 795 fulltime employees of iran sport federations. out of 212 returned questionnaires, 158 questioners were from individual sport federations and 54 from team sport fede...

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