نتایج جستجو برای: years of agricultural experience
تعداد نتایج: 21233191 فیلتر نتایج به سال:
INTRODUCTION Quantifying years of potential life lost (YPLL) highlights childhood causes of mortality and provides a simple method to identify important causes of premature death. METHODS CDC analyzed data from the National Vital Statistics System multiple cause of death files for 2000-2009. RESULTS An average of 890YPLL were lost each year due to unintentional injuries for every 100,000 pe...
Increase of unemployment has pushed millions of people around the world toward entrepreneurship and knowing opportunities for new businesses. The research was accomplished aiming to survey the attitude to entrepreneurship in agricultural quick-impact companies in the city of Birjand. The present research is considered practical in terms of purpose and of non-experimental kind in terms of method...
abstract in aggregate, active forms of reactive silica with mineral names are sometimes associated with sand and gravel in concrete mixture. alkali hydroxides originated from alkalis in the cement or other resources form an alkaline silica gel with this reactive silica which becomes swallowed and expanded during time causing damage to concrete. there have been growing researches on alkaline r...
بررسی تطبیقی بازده حاصل از کاربرد تحلیل های تکنیکال و روش خرید و نگهداری در بورس اوراق بهادار تهران چکیده در این پژوهش بازدهی حاصل از روش های تجزیه و تحلیل تکنیکی و روش خرید و نگهداری در فرض قابل پیش بینی بودن قیمت ها و عدم وجود شکل ضعیف فرضیه بازار کارا که توسط فاما در سال 791 مطرح گردیده است ، فعالیت میکند . در این مطالعه چهار روش از پر کاربردترین و معتبر ترین روش های تحلیل تکنیکی مورد بر...
conclusions in iran, hsct has been successfully adapted in routine clinical care. recently, new methods such as double cord blood and haploidentical transplantation have been used to treat many life-threatening diseases. results about 78.2% of the patients (2530 of 3237) remained alive between one to 211 months after stem cell transplantation. nearly, 21.8% (707) of our patients died after stem...
acute dissection or the ascending aorta requires immediate surgical intervention. without surgical treatment ii:i,) of the patients will die every hour. in this study we report the result ofoperations on patients with stanford type a aortic dissection. from 1997 to 2003. 26 patients (16 males, 10 females) aged 30 to 71 years (mean age 4~.9 :i: 2.3 years) underwent surgical treatment. in all of ...
Background and Aims Agriculture is one of the oldest and high risk professions. Traditional agricultural production mainly depends on the physical power of farmers thus, optimum efficiency in agriculture depends on the attention paid to the importance of certain measures to prevent diseases and accidents due to farming. This research was performed with the aim of survey of knowledge and attit...
the aim of the present study was to determine the in?uence of presence or absence of corpus luteum (cl) on hormonal and metabolites composition of follicular ?uid (ff) harvested from different sized follicles and its relationship with blood serum concentrations in sanjabi ewes. ovaries and blood samples were collected from 60 clinically healthy adult ewes (sanjabi breed) 1–3 years of age in dio...
The exploratory correlational-regression study investigated the extent that the variability in the number of agricultural awareness activities conducted by elementary teachers in east-central Iowa could be explained by selected teacher characteristics—degree of education, grade level, agricultural classes, agricultural experience, and perceptions toward integrating agriculture. A sample of 689 ...
supply of credits to farmers seems necessary because of the importance of credits in order to assurance the efficiency of production process. the purpose of this study is identification factors affecting on credits allocation to agricultural activities and factors affecting on probability failure to repay of credits received .for this study, 196 farmers and customers who have received loans fro...
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