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Background: The aim of this study was to evaluate the physical and chemical quality of groundwater in the villages of Qom province during summer 2014, and to compare the results with Iran’s Standard No. 1053. Methods: This research is a descriptive sectional study. During the investigation, one step sampling with the necessary repetitions (if necessary) was performed of each ...
creating an effective team environment is vital to succeed. more often than not there’s no opportunity for personality clashes, team members can’t be picky about which clients they prefer to deal with them. the present study is an empirical study consists of 60 samples out of 120 working employees to the tune of 50 per cent of the population. both the primary and secondary data collected using ...
Background and Aim: Management of iron-induced tooth pigmentation is challenging. This study aimed to compare the efficacy of sodium bicarbonate powder and pumice flour for removal of iron-induced pigmentation from primary ante-rior teeth. Materials and Methods: In this in vitro, experimental study, 60 sound primary anterior teeth were collected. After cutting the roots and sealing the pulp ch...
Given that improvement in efficiency is a major resource to economic development, this can be applied to each domestic sector of an economy. The objective of this paper is to measure technical efficiency of the Iranian Post Company across the countryâs provinces using data envelopment analysis (DEA). The ranking of technical efficiency has been calculated by using collected data on post offi...
in this thesis, structural, electronical, and optical properties of inverse pervskite(ca3pbo) in cubic phase have been investigated.the calculation have been done based on density functional theory and according to generalized gradiant approximate (gga) as correlating potential. in order to calculate the configurations, implementing in the wien2k code have been used from 2013 version. first of ...
this research has done in order to identifying the human resource performance key indicator; qom province electricity distribution company with regard to integrated balanced scorecard approach of human resource and analytic hierarchy process .the research method of the article is descriptive and library field data collecting. balanced scorecard (bscj translated the company visions and strategie...
this study attempted to explore if teaching english collocations through two different modes of awareness-raising and input flooding has any possible differential effect on immediate retention as well as retention in a delayed assessment. it also compared the possible differential effect of teaching english collocations implicitly and explicitly on actively using the items in writing. m...
investigating the feasibility of a proposed model for geometric design of deployable arch structures
deployable scissor type structures are composed of the so-called scissor-like elements (sles), which are connected to each other at an intermediate point through a pivotal connection and allow them to be folded into a compact bundle for storage or transport. several sles are connected to each other in order to form units with regular polygonal plan views. the sides and radii of the polygons are...
this experimental study has been conducted to test the effect of oral presentation on the development of l2 learners grammar. but this oral presentation is not merely a deductive instruction of grammatical points, in this presentation two hypotheses of krashen (input and low filter hypotheses), stevicks viewpoints on grammar explanation and correction and widdowsons opinion on limited use of l1...
The purpose of the present study was to design a talent management system model in Gas Company of Sistan and Baluchestan province. The mixed method (qualitative-quantitative) was selected as the research method. The statistical population in the qualitative section consisted of managers and supervisors and the research data was gathered through in-depth semi-structured interviews with 11 indivi...
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