The flame stability limit, which was involving the critical flow condition, lift off and blow out, could be affected by the burner geometry in the combustion system installation. Consequently a flame holder should be put in, to hold the flame as big as possible on a stable condition. The flame holder itself, is a device to hold the flame, whereas the flame holder could disturb the air and fuel ...

maternal nutritional is the most important environmental factor influencing pregnancy outcome. while studies showed association between maternal iron-micronutrient deficiencies with pregnancy outcome, data examining impact of micronutrient supplementation on growth rate beyond birth are sparse. present study examined the relationship between iron and multivitamins supplementation on growth rate...

pruning of the plant canopy and paclobutrazol application to the root zone are agronomic practices that improve harvest yield in mango (mangifera indica l.) orchards. to assess the effect of pruning and paclobutrazol treatment on the vegetative and reproductive development of ‘ataulfo’ mango, three pruning dates (20 april, 20 may, and 20 june) and three concentrations of paclobutrazol (pbz) (7....

background: the association between maternal smoking and poor pregnancy outcome, which is well established in medi­cal literature, has also been corroborated by the results of this study conducted in a turkish hospital. our objective was to investi­gate the effects of cigarette smoking during pregnancy on infant head circumference, height, weight, and body mass in­dex (bmi). methods: in this re...

background: growth failure in children less than five years old can lead to the serious complications such as increased mortality, learning difficulties or physical disability. the aim of this study was to investigate the non-organic factors affecting the growth trend in less than two years children living in zanjan, iran.   methods: this longitudinal study was conducted on a sample of 3566 chi...

sunflower is one of the most important edible oil that growth of annual crops, it is grown over a widely area and is considered a crop adapted to an every environmental conditions, in order to study growth analysis of sunflower under sowing date and cultivars in dry condition a farm experiment was conducted a split plot arranged in a complete randomized block design with three replications in t...

the objective of the present study is to investigate the impact of spraying boric acid on vegetative and reproductive growth of ‘camarosa’ strawberry (fragaria × ananassa duch.). the strawberry plants were sprayed with boric acid at 0 (control), 50 and 100 mg l-1 at 30 days after planting. in general, results indicated that spraying plants with boric acid had a significant effect on yield, frui...

the present study provides the data on the population parameters of an endemic qanat spirlin, alburnoides qanati from the endorheic kor river basin of iran to assess the stock status of this cyprinid fish species, which is highly important from management and conservation points of views. fish specimens (387) were collected from moshkan stream, kor river basin, iran in 2011-2012. asymptotic len...

low birth weight ( lbw, birth weight<2500g) is a significant health problem of children. many studies have made it apparent that there is a direct relationship between low birth weight and infant motality. one of the most important measurements to prevent children morbidity is growth monitoring and the present study was set up to compare the growth indexes of 2 year old children born with low w...