abstract sensitive and precise voltammetric methods for the determination of trace amounts of furaldehydes, mainly as furfural (f) and 5-hydroxymethyl-2-furaldehyde (hmf), in waste waters and other matrices is described. determination of total furaldehyde at < ?g g-1 levels in alkaline buffered aqueous media was individually investigated. by the use of ordinary swv and adsorptive square wave ...

The purpose of this study was to design and validate a competency model for the selection and appointment of queue managers (schools) at the level of leadership and management subsystem in the Fundamental Reform Document of Education (FRDE). It is a mixed-method research using an exploratory approach. Sampling in the qualitative section was done purposefully with the technique of a network of e...

The purpose of this study is to design and explain the fifth-level leadership model in knowledge-based organizations. This applied and descriptive survey combined quantitative and qualitative methods. The statistical population of the research was knowledge-based companies in Lorestan Province, from which 30 experts were selected according to purposive sampling method. In the qualitative sectio...

abstract pragmatics is the study of communicative action in its sociocultural context. communicative action includes not only using speech acts (such as apologizing, complaining, complimenting, and requesting), but also engaging in different types of discourse and participating in speech events of varying length and complexity. the present study aimed to investigate the assessment of pragm...

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...

The purpose of this study was to developing a personal brand shaping pattern for iranian professional athletes. The research method, based on the method of collecting data, was a mixed exploratory sequence. In the qualitative stage, data collection tools were semi-structured interviews with 23 professional sportsmen, coaches, sports marketing managers, psychologists and sports sociologists. The...

The objective of present study was to identify and evaluate the organizational structure of agile universities. The research method was mixed (qualitative-quantitative). Statistical populations in the qualitative section consisted of 18 researchers in the field of organizational agility and were selected by purposive sampling method. Statistical society in quantitative section consisted of 150 ...

Background & purpose: Despite recent advances in infant care technology, a number of infants are at risk in infancy period and need to palliative care. Nurses are responsible for the palliative care of the infants and the families. Therefore, the present study was conducted to explain the Nurses' Experiences of Palliative Care in the Neonatal Intensive Care Unit. Materials and Methods: This st...