نتایج جستجو برای: YazdProvince
تعداد نتایج: 3 فیلتر نتایج به سال:
background: vitamin a which is found in different tissuesand organs plays a particular role in detecting clinical signs invarious deficiency conditions. however, sometimes the marginaldeficiency is present in a way that clinical signs are not visible butperformance defects, such as infertility is seen. objectives: inthis study, the normal baseline levels of vitamin aand β-carotene inclinically ...
BACKGROUND: Vitamin A which is found in different tissuesand organs plays a particular role in detecting clinical signs invarious deficiency conditions. However, sometimes the marginaldeficiency is present in a way that clinical signs are not visible butperformance defects, such as infertility is seen. OBJECTIVES: Inthis study, the normal baseline levels of vitamin Aand β-carotene inclinically ...
Introduction: Replacingfuel oil with natural gas in brick kilns is one of the effective ways to reduce air pollution as well as the cost of the furnaces maintenance. The aim of this study isto estimate reduction of air pollutants resulting from brick kilns functioning with natural gasin Yazdprovince. Methods: In this descriptive-survey research, we estimated consumption of the fuel oil in the ...
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