Abstract   The effect of mechanical activation using an attrition mill on the particle size of an ilmenite concentrate and its effect on the ability of the concentrate for Iron separation during hydrochloric acid leaching and the kinetics of the dissolution process have been investigated. It was observed that mechanical activation in an attritor significantly enhances the dissolution of iron ...

constant breastfeeding that depends on the family support. fathers' involvement is as an important factor of successful breastfeeding. the aim of this study was to evaluate the influence of fathers' participation in constant breastfeeding in vali-e-asr hospital, tehran, iran. this interventional study was piloted on spouses of pregnant women participating in pregnancy courses. the case group co...

background to develop the culture of breastfeeding, it is needed to know the level of maternal knowledge. hence, the aim of this study was to evaluate maternal knowledge and attitude toward exclusive breastfeeding in six months after birth in shiraz, iran. materials and methods this was a cross-sectional study carried out on mothers who referred to health centers. four health centers were selec...

background: breastfeeding is a complex phenomenon and its duration is influenced by several factors. since proper family support may affect the length and quantity of exclusive breastfeeding, this study aimed to explain the supportive role of families based on experience of successful mothers in exclusive breastfeeding. methods: this qualitative study was done in 2015with conventional content a...

BACKGROUND The positive effect of breastfeeding on health is globally accepted. However, breastfeeding has not yet practiced at a favorite level. Empowerment of mothers is an important factor for continuing breastfeeding. This study was conducted to explore women's perception of empowerment in breastfeeding. METHODS The present qualitative study was conducted in conventional content analysis ...

Background: Breast milk is an ideal source of nutrition for growth and development of infants and has unique physiologic and emotional impacts on the health of mothers and infants. However, a few numbers of infants get exclusive breast milk and therefore, it is necessary to identify barriers to breastfeeding. The purpose of the present qualitative research was to explore challenges and barriers...

backgroundbreastfeeding is a natural way to provide nutrients required for proper growth and development of infants. in view of that, it is of great importance to enhance the knowledge of mothers on exclusive breastfeeding in the first six months after birth and the time of starting complementary feeding. this study aimed to assess the training needs of mothers on exclusive breastfeeding, was c...

Online learning environments became popular in recent years. Due to high attrition rates, the problem of student dropouts immense importance for course designers, and makers. In this paper, we utilized lasso ridge logistic regression create a prediction model dropout on Open University database. We investigated how early can be predicted, why occur. To answer first question, created models eigh...