the objective of this study was to determine the allowed and desired limits for heavy soils of texture (clay loom), as it has operational capability (friability), these limits were 6.34 mm for planting and 10.62 mm for harvesting in each raining or irrigation episode. we determined some factors that affect soil wetness and water content as follow: the amount and severity of rain, the condition ...

Abstract Solar drying is a sustainable process that may impact the quality of dried food. This because, pigments contained in food are sensitive to sunlight, and exposure ultraviolet radiation can affect them. We applied biopolymer-based coatings on strawberry, from hydro-colloidal solutions Opuntia ficus indica -mucilage, fenugreek, xanthan gum, gum Arabic, guar evaluate their potential use as...

simulation of rough rice drying is one of the proper methods for predicting moisture distribution in the product, and throughout the process of drying. the drying process must be well understood and controlled so that design guidelines which reduce or minimize drying damage to rough rice can be established and improved. therefore, an accurate understanding and description of the drying mechanis...

The sunlight is responsible for the development and continued existence of life on earth. The deleterious effects of sunlight on biological systems are entirely due to radiation. It is widely believed that light has the greatest effect of all the environmental factors. While light does play an important role, very few studies have been conducted to evaluate the interaction of light with other f...

Day lighting is one of the important qualitative factors in housing, which is also effective on health and well-being of occupants. Extensive glass surfaces and Transparency in building facades provides good daylight quantity for interior spaces. However, this lighting system is not appropriate for climates faced with higher sunlight radiation (Such as hot-humid areas), due to overheating and d...

iodine deficiency disorders are among the most important health problems in iran. use of iodized salt is one of the oldest, most convenient and cheapest ways of idd control, although not very easy to implement. factors such as the chemical form of iodine, heat moisture, light and storage affect its stability. in this survey, salt iodine content at production site and the effect of heat, moistur...