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Air temperature and final grain moisture effects on drying time and milling quality in two types of fluidized bed dryer CIGR Journal
Pourbagher, Roghayeh; Rahmati, Mohammad Hashem; Alizadeh, Mohammad Reza.
Drying process is one of the important stages in paddy milling process and plays a key role in the product quality.  In this modified the effects of air temperature (40°C, 50°C and 60°C) and final paddy grain moisture content (8-9%, 9-10% and 10-11% d.b.) were examined on the drying time and milling properties in fluidized bed dryer with two heating sources (infrared radiation and heater types).  The experimental design was randomized complete design with factorial layout in which three levels of final paddy grain moisture content, three levels of air temperature and two types of dryers with three replications in each treatment.  The results indicated that the lowest cracked grain (8.01%) was related to the air temperature of 40°C and the moisture content...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Paddy drying; Milling recovery; Fluidized bed dryer; Infrared radiation.
Ano: 2016 URL: http://www.cigrjournal.org/index.php/Ejounral/article/view/3733
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Determining some physical properties of Azivash (Corchorus Olitorious L.) seed CIGR Journal
Azadbakht, Mohsen; Pourbagher, Roghayeh.
Used Azivash seed in the research has been provided in summer 2013. The samples were cleaned and separated manually and residuals and broken seeds were taken apart it and healthy seed was provided for testing. Then diameter, area of image, and round coefficient, were calculated using image processing application. Mass of 1000 seeds, mass density, real density and porosity percentage, static friction coefficient, repose angle in two modes of fullness and emptiness were measured. Liquid replacement method has been used to calculate density and volume of the seeds. The results showed that a positive relationship between physical properties of Azivash seed including geometric properties (diameter, volume), gravity properties (weight of 1000 seeds, real density...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Azivash seed; Physical properties; Moisture content.
Ano: 2015 URL: http://www.cigrjournal.org/index.php/Ejounral/article/view/3349
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Effect of irrigation regimes and the plant density on shear strength and physical properties of Azivash (Corchorus Olitorius) stem CIGR Journal
Azadbakht, Mohsen; Ghajarjazi, Ehsan; Barzanooni, Esmat; Pourbagher, Roghayeh; Tajari, Neda.
Three irrigation regimes, 6, 12 and 18 days, the distance between seeds in four levels: 5,10, 15 and 20 cm (density, respectively, 80, 40, 27 and 20 plants per m2) and a row spacing of 25 cm was considered that was tested in a randomized complete block design with three replications. The results showed that the effect of irrigation on cutting force, shear strength and energy per unit area was meaningful at 5% level and the effect of plant density on cutting force was meaningful at 1% level, but was not meaningful on shear strength. Also showed interaction between irrigation and plant density on cutting force, shear strength and energy per unit area is not meaningful. It was observed that the effect of irrigation and plant density on the length, diameter...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Azivash; Plant density; Shear strength; Irrigation regime.
Ano: 2015 URL: http://www.cigrjournal.org/index.php/Ejounral/article/view/3340
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