Background and Objectives : Failure to gain weight (FTG) is one of the predominant health issues in children. The aim of this study is application of longitudinal transition model in determining the prognostic factors for failure to gain weight in children under two years.   Methods: In this study, 363 children under 2 years that were visited at the health centers in the east of Tehran wer...

Background & Aim: Optimal weight gain during pregnancy, as an important indicator of maternal and fetal health, is affected by many adjustable variables. The present study was conducted to evaluate the gestational age-specific weight gain based on the indices of the American Institute of Medicine and to determine its related factors. Methods & Materials: In this descriptive study, 250 pregnant...

abstract previous studies on willingness to communicate (wtc) have shown the influence of many individual or situational factors on students’ tendency to engage in classroom communication, in which wtc has been viewed either at the trait-level or situational level. however, due to the complexity of the notion of willingness to communicate, the present study suggests that these two strands are ...

the purpose of this study is identifying effective factors which make customers shop online in iran and investigating the importance of discovered factors in online customers’ decision. in the identifying phase, to discover the factors affecting online shopping behavior of customers in iran, the derived reference model summarizing antecedents of online shopping proposed by change et al. was us...

Introduction: Various factors affect the health of both mother and fetus which maternal nutrition is one of them. Weight gain in pregnancy is one of the valid criteria for assessing nutritional status. The aim of this study was to investigate the relationship between weight gain in pregnancy and birth weight in Yazd city. Methods: This was a cross-sectional study. Data of 200 pregnant women ...

growing demands and requires of high data rate systems cause significant increase of high frequency systems for wideband communication applications. as mixers are one of the main blocks of each receivers and its performance has great impact on receiver’s performance; in this thesis, a new solution for ku-band (12-18 ghz) mixer design in tsmc 0.18 µm is presented. this mixer has high linearity a...