نتایج جستجو برای: agriculture organization of fars province using cochrans formula and random sampling technique
تعداد نتایج: 24305883 فیلتر نتایج به سال:
abstract in this thesis at first we comput the determinant of hankel matrix with enteries a_k (x)=?_(m=0)^k??((2k+2-m)¦(k-m)) x^m ? by using a new operator, ? and by writing and solving differential equation of order two at points x=2 and x=-2 . also we show that this determinant under k-binomial transformation is invariant.
there is no doubt that human being needs to become integrated with industry and industry needs to be progressed, daily. on the other hand, serious events in industrial units specially in oil industries has been shown that such damages and events are industry related ones. the consequence of such events and damages which resulted in chemical and poisoned explosions and loss of life and property ...
The purpose of this study was creativity factor analysis of Jihad-e-Keshavarzi organization staffs of Ilam province. Research method was descriptive – correlation which used survey method. Statistical population of the study was staffs of Jihad-e-Keshavarzi in Ilam province (N=300). Using Bartlett table, and stratified random sampling technique, 169 staffs were selected as sample. Researc...
Recent studies have shown that certain man-made compounds (including some pesticides and herbicide) through interfering with endocrine system, have the capability to induce developmental and reproductive abnormalities in humans and animals. Pesticides are currently being used in large scales in many developed and developing countries (including Iran), so this study has been conducted to determi...
one factor that has highlighted the role of agriculture in the economy is to make the marketing system of agricultural products more efficient. the main purpose of this study was to identify the requirements of marketing the organic pomegranate of paveh, kermanshah province, iran, from the perspective of farmers. in order to identify contributing factors, an exploratory factor analysis was used...
BACKGROUND Blood and body fluid exposures place healthcare workers at risk for blood-borne infections. To determine the extent of the problem in Iran, we assessed blood and body fluid exposure in healthcare workers in Fars Province hospitals. METHODS We distributed 2,118 questionnaires using a stratified random sampling method among nurses of these hospitals. We used Chi-square test, Student'...
uncertainty in the financial market will be driven by underlying brownian motions, while the assets are assumed to be general stochastic processes adapted to the filtration of the brownian motions. the goal of this study is to calculate the accumulated wealth in order to optimize the expected terminal value using a suitable utility function. this thesis introduced the lim-wong’s benchmark fun...
Organic agriculture, sometimes called biological or ecological agriculture, combines traditional conservation-minded farming methods with modern farming technologies .The purpose of this research was to identify management skills in development of Organic Agriculture in West Azerbaijan Province (Iran) farms. The target population of this research included all agricultural experts who work in We...
the west of esfahan province, iran, is one of the most important agricultural areas throughout the country due to the climate variability and life-giving water of zayanderood river. rice is one of the major and economic crops in this area. the most important climatic elements in agricultural activities which should be considered include temperature, relative humidity, precipitation and wind. so...
the main purpose followed in this study was to identify and analyze the ways of coping up with drought in rural regions of zanjan province. the research method of the study was an analytical- explanatory one. the statistical population of the study consisted of experts of jihad- e- agriculture organization of zanjan province (n= 316). according to krejcie and morgan table, 175 individuals were ...
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