the purpose of this study was to assess the prevalence of malnutrition and related factors that may affect the nutritional status of 0 to 59 month old children in the rural areas covered by the birjand district health network. a total of 626 children were selected by random sampling. data were collected using a questionnaires and face-to-face interviews with the mothers and by measuring weight ...

production of halophyte plants with saline water and soil and feeding them to livestock is one of the most sustainable methods of conservation in desert ecosystem regions. kochia is a high salt resistant plant that can widely use as forage for livestock in arid ecosystems with lack of appropriate water and soil resources. in order to investigate potential of forage production of five different ...

BackgroundWithout confirmation of the ventilation design conditions (typology and airflow rate), common practice identifying unidirectional (UDAF) systems as equivalent to ultra-clean air may be misleading, but also any claims about ineffectiveness UDAF should doubted. The aim this review was assess compare system for which (mean <10 cfu/m3) within 50 cm from wound has been reported. Six medica...