Results 21 to 30 of about 3,526,616 (198)

Nitrate Removal from Drinking Water Wells by Heterotrophic Denitrification Using Citric Acid as a Carbon Source and Ozonation [PDF]

open access: yesآب و فاضلاب, 2021
Nitrate removal using biological heterotrophic denitrification is one of the most effective and economical processes to remove nitrate from drinking water. In recent studies, carbon sources such as acetic acid, methanol, ethanol, glucose, etc.
Hamid Roshanravan   +3 more
doaj   +1 more source

The Mediating Role of Creativity on Psychological Empowerment and Employees [PDF]

open access: yesمطالعات مدیریت بهبود و تحول, 2016
This research seeks to investigate the impact of psychological empowerment in shaping creativity,that may eventually affect employees committment . The population of this study was employees of Khorasan Razavi Gas Company.
.Saeed Mortazavi   +2 more
doaj   +1 more source

Herat City and its Structural Changes During the Mongol and Timurid Periods [PDF]

open access: yesمجله مطالعات ایرانی, 2023
Herat is one of the major cities in the eastern part of Greater Iran and northwestern Afghanistan. Like other cities of Khorasan, Herat was destroyed after the Mongol attack.
Shahin Garakani Dashteh Garakani Dashteh
doaj   +1 more source

Determination of Iran Desert Lands Based on Soil Attributes [PDF]

open access: yesمدیریت بیابان, 2013
Deserts have been described in different aspects of the natural environment. In this article, we try to determine desert territory using soil properties.
Mohammad Khosroshahi   +3 more
doaj   +1 more source

Spatial and Temporal Distribution Analysis of the Effective Factors in the Prevalence of COVID-19 in South Khorasan Province [PDF]

open access: yesمطالعات مدیریت توسعه سبز, 2022
COVID-19, caused by SARS-CoV-2 virus, raised global health concerns due to its rapid spread. During the fight against this epidemic, GIS and geographical information have played an important role in identifying the spatial transmission of this pandemic ...
Negin Nasseh   +3 more
doaj   +1 more source

Diagnostic Reference Level Arising from Dental Panoramic Radiography [PDF]

open access: yesIranian Journal of Medical Physics, 2012
Introduction The present work describes a study in which, based on patient dose measurements, thermoluminescent dosimeters were used to obtain the diagnostic reference level arising from panoramic radiography.
Mohammad Taghi Bahreyni Toossi   +1 more
doaj   +1 more source

The Importance of Khorasan in History (Islamic Period)

open access: yesAnkara Üniversitesi Dil ve Tarih-Coğrafya Fakültesi Dergisi, 2018
Khorasan has a different place and importance in history. The greater Khorasan, which has a wide geography, showing differences and changes compared to other parts of Iran, has a special place, starting from the Amu Darya region extending to the vicinity
Abdolvahid SOOFİZADEH
doaj   +1 more source

Hepatitis B vaccination coverage among Iranian children aged 15-26 months in 2006 [PDF]

open access: yes, 2011
This study in 2006 estimated the hepatitis B virus (HBV) vaccination coverage in the Islamic Republic of Iran at the national and district levels in urban, rural and remote populations of 41 university health service areas.
Esteghamati, A.   +6 more
core   +1 more source

Historical and comparative assessment of artistic and technical features of wooden doors of Khurasan Museum [PDF]

open access: yesنگره, 2018
Among the wooden works of the Holy Shrine’s collection there have been doors That are transferred to the store of Cultural Heritage and Tourism Organization of Khorasan in the tomb of Ferdowsi with the implementation of the expansion of the shrine in the
alireza sheikhi   +2 more
doaj   +1 more source

Do ancient types of wheat have health benefits compared with modern bread wheat? [PDF]

open access: yes, 2017
A number of studies have suggested that ancient wheats have health benefits compared with modern bread wheat. However, the mechanisms are unclear and limited numbers of genotypes have been studied, with a particular focus on Kamut (Khorasan wheat).
Shewry, Peter R.
core   +1 more source

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