نتایج جستجو برای: minimum temperature

تعداد نتایج: 607658  

Ali Akbar Moosavi Movahedi Gholam Hossein Hakimelahi Hassan Moghaddamnia

The thermal denaturation of adenosine deaminase (ADA) has been investigated in the presence of sodium n-dodecyl sulphate (SDS) over the temperature range of (293-363K) in 2.5 mM phosphate buffer, pH 6.4 by temperature scanning spectroscopy. The interaction of SDS caused the folding of adenosine deaminanse resulting in a decrease of TH (temperature of minimum solubility), TS<...

Extend Abstract   Introduction Climate change, as one of the most important global challenges, has focused on the minds of many scholars, scientists, planners and politicians. Indeed, global warming, melting of polar ice masses, rising water levels in the oceans, and its similar phenomena have led climate change to become the special attention focus of scholars and scientists in recent decad...

ژورنال: علوم آب و خاک 2020

Given the climatic changes and threats to food security in recent years, they have have become a major issue in agricultural climatology. The present study aimed to investigate the status of agricultural climate suitable for the cultivation of rice in the light of the influential climatic conditions in the past. Given the effect of temperature and the amount of precipitations on rice growth and...

Journal: :جغرافیا (برنامه ریزی منطقه ای) 0
امیر گندمکار استادیار جغرافیا، دانشگاه آزاد اسلامی واحد نجف آباد

study of terrain including vegetation, water resources, land types including soil texture and classification are cases that require data with high precision. accurate and high quality data can lead us to a better, more accurate results.in this context, remote sensing data is a great tool for the detection and identification of patterns. sebal (surface energy balance algorithm) is a relatively n...

علیرضا سپاسخواه, , علی‌اکبر کامگار حقیقی, , سعید رنجبر, , علیرضا ضیایی, ,

In the present research, for the development of Fars province minimum temperature atlas, minimum daily temperature data of 20 evaporative stations of Fars Regional Water Organization and five synoptic stations of Fars Meteorological Organization were used. At first, two starting times were selected for all of the stations. The first was the first day of Farvardin for analyzing the spring frost ...

2007
X. Lin R. A. Pielke K. G. Hubbard K. C. Crawford M. A. Shafer T. Matsui

[1] This study assesses near surface lapse rates and temperatures over the past decade at two heights from the Oklahoma Mesonet. A statistically significant change in lapse rate was detected of 0.21 ± 0.09 C (10 m) 1 per decade. The trend of nighttime lapse rate was about three times larger than the magnitude of trend of the daytime lapse rate. The lapse rate trends at the time of the daily max...

Journal: :پژوهش های جغرافیایی (منتشر نمی‏شود) 0
حسن حیدری استادیار گروه جغرافیا، دانشگاه ارومیه رشید سعید آبادی استادیار گروه جغرافیا، دانشگاه ارومیه

abstract the averages of monthly minimum temperature and wind speed in 32 synoptic stations in northwest and west of iran used for calculate windchill temperature from november to april. then maps of spatial differences were drawn for every month and windchill regions classified by cluster analysis. keywords: iran, windchill, regionalization, classification.

ژورنال: علوم آب و خاک 2006
علیرضا سپاسخواه, , علی‌اکبر کامگار حقیقی, , سعید رنجبر, , علیرضا ضیایی, ,

In the present research, for the development of Fars province minimum temperature atlas, minimum daily temperature data of 20 evaporative stations of Fars Regional Water Organization and five synoptic stations of Fars Meteorological Organization were used. At first, two starting times were selected for all of the stations. The first was the first day of Farvardin for analyzing the spring frost ...

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