all analytical methods are generally based on the measurement of a parameter or parameters which are somehow related to the concentration of the species.an ideal analytical method is one in which the concentration of a species can be measured to a high degree precision and accuracy and with a high sensitivity. unfortunately finding such a method is very difficult or sometimes even impossible.in...

The aim of this study was to investigate the role of coach-oriented organization and team performance in the mental health staff General Directorate of Youth and Sport of Ardabil. Descriptive and correlational methodology has been applied to the target and the field was done in this study population all staff General Directorate of Youth and Sport was Ardabil province in the number of them 85 p...

in reality, most structures involved in geotechnical engineering are three dimensional in nature, and although in many, plane strain or axisymmetric approximations are reasonable, there are some, for which 3-d treatment is required. the quantity of data, and the size of the various vectors and matrices involved in such analysis, increase dramatically. this has sever implications for computer r...

abstract nowadays, the science of decision making has been paid to more attention due to the complexity of the problems of suppliers selection. as known, one of the efficient tools in economic and human resources development is the extension of communication networks in developing countries. so, the proper selection of suppliers of tc equipments is of concern very much. in this study, a ...

Future teachers of education are Current students that  focus on the development of teacher knowledge in the field of theory and practice in practicum as an important part of the teacher training program. One of the effective factors in the pre-service programs is schools coach, The study seeks it. The reserch method used in this study was qualitative method and was of phenomenological type. An...

this study aimed at examining the effects of iranian efl learners’ anxiety, ambiguity tolerance, and gender on their preferences for corrective feedback (cf, henceforth). the effects were sought with regard to the necessity, frequency, and timing of cf, types of errors that need to be treated, types of cf, and choice of correctors. seventy-five iranian efl students, twenty-eight males and forty...

The purpose of this research was conducted to examine the relationship between emotional intelligence and perfectionism, quality of coach–athlete relationship in elite material arts. Present study research method was descriptive– correlational, The statistical population included all the martial arts (Taekwondo, karate, judo, wushu and wrestling) present in Super league Competitions in 2017 and...

there is no doubt that human being needs to become integrated with industry and industry needs to be progressed, daily. on the other hand, serious events in industrial units specially in oil industries has been shown that such damages and events are industry related ones. the consequence of such events and damages which resulted in chemical and poisoned explosions and loss of life and property ...