نتایج جستجو برای: with positive coefficient
تعداد نتایج: 9380925 فیلتر نتایج به سال:
abstract in aggregate, active forms of reactive silica with mineral names are sometimes associated with sand and gravel in concrete mixture. alkali hydroxides originated from alkalis in the cement or other resources form an alkaline silica gel with this reactive silica which becomes swallowed and expanded during time causing damage to concrete. there have been growing researches on alkaline r...
Combination of real and imaginary parts (CRI) method is an efficient for solving a class large sparse linear systems with complex symmetric positive semi-definite coefficient matrices. In this work we will extend CRI approach to determine the approximate solution Sylvester equation We show that new algorithm converges unconditionally unique exact matrix equation. end test scheme by some numeric...
this research has been taken among the students of high school in karaj city during the years 1391 and 1392. this is a survey research and data gathering is through questionnaires. studying the “an analysis of students’ tendency toward non-native reference groups in karaj”. the questionnaire was distributed among 260 of these students who were chosen through multi step cluster sampling. conside...
abstract the present study deals with a comparison between reactive and pre-emptive focus-on-form in terms of application and efficiency. it was conducted in an intermediate english class in shahroud. 15 male learners participated in this research and their age ranged from 18 to 25. a course book, new interchange 3, and a complementary book were used. every session the learners gave lectures o...
In recent years, a number of studies have introduced methods for identifying papers with delayed recognition (so called " sleeping beauties " , SBs) or have presented single publications as cases of SBs. Most recently, Ke et al. (2015) proposed the so called " beauty coefficient " (denoted as B) to quantify how much a given paper can be considered as a paper with delayed recognition. In this st...
The existence of solutions of Neumann boundary value problem of second-order ordinary differential equations has been studied bymany authors; see Sun et al. 1 , Cabada and Pouso 2 , Cabada et al. 3 , Canada et al. 4 , Chu et al. 5 , Jiang, and Liu 6 , Yazidi 7 , Sun and Li 8 and the references therein. Recently, Chu et al. 5 have studied the existence of positive solution to the Neumann boundar...
the current study examined interrelation of affectivity, emotional intelligence and personality and their roles in sport coaches’ transformational leadership style using their disposition. data are collected from 206 sport coaches. pearson correlation coefficient was used to analyze data. the results showed a positive deep relationship between positive affectivity with personality (r=0.251, p
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