نتایج جستجو برای: degree day

تعداد نتایج: 627518  

Journal: :جغرافیا و توسعه ناحیه ای 0
ابوالفضل مسعودیان رضا ابراهیمی الهام یاراحمدی

abstract climate change and increase the temperature of the environmental importance of human behavior that is considered in recent years many studies have been devoted .objective of this study is to investigate trend and slope trend monthly of hdd with temperature threshold of 18. mean daily temperature of weather during the statistical period of 44 years (1962-2005) was provided from asfe zar...

A Khoshvaghti M Bayat

The purpose of present study was determination of number changes of mast cells in a honey treated experimental model of third degree burn. A third degree burn was made in 24 adult female rats by direct contact of skin with boiling water for 8 seconds. Rats were divided randomly into four groups. Group 1: Burns of this group remained untreated (control group). Groups 2 and 3: Burns of these grou...

A Khoshvaghti M Bayat

The purpose of present study was determination of number changes of mast cells in a honey treated experimental model of third degree burn. A third degree burn was made in 24 adult female rats by direct contact of skin with boiling water for 8 seconds. Rats were divided randomly into four groups. Group 1: Burns of this group remained untreated (control group). Groups 2 and 3: Burns of these grou...

Journal: :تحقیقات آب و خاک ایران 0
علی فتح زاده استادیار، دانشکده منابع طبیعی، دانشگاه یزد رفعت زارع بیدکی استادیار، دانشکده منابع طبیعی، دانشگاه شهرکرد

estimating snow melt water equivalent is one of the most important challenges in determining the hydrological regime in mountainous basins. there are some problematic obstacles in field observations, due to inaccessibility as well due to difficulties in snow sampling at snow covered peaks making researchers try to find indirect approaches. one of these methods in use is degree- day model that i...

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