نتایج جستجو برای: gonbad rangeland of hamadan province

تعداد نتایج: 21169329  

ژورنال: مرتع 2023

Rangeland management is one of the basic items in ecosystem management and its purpose is the optimal use of rangelands in order to achieve the desired yield and maintain the stability of rangeland ecosystems. Rangelands play an infrastructural role in the countrychr('39')s economy and pave the way for achieving the goals of sustainable development. However, due to the importance of these resou...

Journal: :journal of rangeland science 2014
reza kavandi habib gholamali heshmati hamid siroosi

interrupting the processes which control ecosystem resources has dramatic impacts on the rangeland conditions. to protect ecosystems and landscape, it needs to understand the ecosystem processes which regulate the ecosystem resources. as main components of ecosystems, patches and inter-patches play important roles in energy and materials cascade. ecologically, functional parameters such as stab...

زمانیان, لطیف, سوری, الهه, عشوندی, خدایار,

Introduction: Considering the neonatal mortality rate is a marker of health in community, thus this study was performed to assess the rate and main causes of neonatal death in Hamadan province. Methods: In this cross-sectional study, 333 died infants in the Hamadan province were studied. Data has been collected by the registration of infants' deaths software of Hamadan University of medical ...

Aflatoxin M1 (AFM1) is a category of poisonous compounds found in milk and dairy products. The target of our research is to determine incidence and risk assessment AFM1 through the consumption of cheese in Hamadan province of Iran. Seventy cheese samples including cream cheese (n = 30) and Iranian white cheese (n = 40) were collected from different regions of Hamadan province, Iran and tested f...

Journal: :archives of hygiene sciences 0
reza shokoohi department of environmental health engineering, school of health, hamadan university of medical sciences, hamadan, iran. mostafa leili department of environmental health engineering, school of health, hamadan university of medical sciences, hamadan, iran. abdollah dargahi student research committee, hamadan university of medical sciences, hamadan, iran. yaser vaziri student research committee, hamadan university of medical sciences, hamadan, iran. razieh khamutian student research committee, hamadan university of medical sciences, hamadan, iran.

background & aims of the study: antibiotics utilize with the aim of improving human, animal and plant health; also, for treating infections caused by pathogenic bacteria. when these compounds introduce into ecosystems, could affect the microbial community and jeopardize human health. therefore, the aim of present study is to determination of the presence of six common utilized antibiotics (amox...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیراز - دانشکده کشاورزی 1391

ویژگی های زمین شیمیایی، کانی شناسی، و میکرومورفولوژیکی خاک ها و سنگ مادر مربوطه در منطقه بین بخش های جنوبی زاگرس و خلیج فارس تا دریای عمان(استان هرمزگان، ایران) مورد بررسی قرار گرفت. هدف های این مطالعه شناسایی تغییرات در خصوصیات فیزیکی، شیمیایی، و ترکیب کانی شناسی خاک، مطالعه میکرومورفولوژی و تکامل خاک، و بررسی توزیع عنصر خاک بر اساس هوازدگی، پروسه های خاک و زمین شناسی جهت توصیف اثرات مواد مادر...

2005
Ian A. Simpson Amanda M. Thomson Jennifer L. Brown

The introduction of domestic livestock particularly sheep and rangeland grazing by Norse settlers to Faroe during the 9th century has generally been described as a major pressure on a sensitive landscape, leading to rapid and widespread vegetation change and contributing to land degradation. This view has, however, been developed without consideration of Norse grazing management practices which...

Journal: :Journal of research in health sciences 2015
Mostafa Leili Afsaneh Naghibi HoseinAli Norouzi Mahdi Khodabakhshi

BACKGROUND The aim of present work was to evaluate the drinking water quality from various regions including both urban and rural areas of Hamadan Province, western Iran. METHODS In this cross-sectional descriptive study, the samples were collected for a periods of 12 months between January 25, 2014 and January 25, 2015 from frequently used household taps as well as from municipal and communa...

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