نتایج جستجو برای: according to cochran formula

تعداد نتایج: 10634277  

Journal: :اقتصاد و توسعه کشاورزی 0
کریم نادری مهدیی موسی اعظمی هادی فتحی

food security in iran has closely relation with wheat and flour and its waste. the study of food pattern in the iran provinces shows that bread is the major source of calorie and protein in the country daily diet. the main purpose of this study was to analyze factors, affecting bread wastes in the bahar county in the hamedan province. the research was conducted based on the applied-descriptive....

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه ارومیه - پژوهشکده ادبیات 1393

testing plays a vital role in any language teaching program. it allows teachers and stakeholders, including program administrators, parents, admissions officers and prospective employers to be assured that the learners are progressing according to an accepted standard (douglas, 2010). the problems currently facing language testers have both practical and theoretical implications but the first i...

2008
STEFAN FRIEDL

Cochran introduced Alexander polynomials over non–commutative Laurent polynomial rings. Their degrees were studied by Cochran, Harvey and Turaev as they give lower bounds on the Thurston norm. We first extend Cochran’s definition to twisted Alexander polynomials. We then show how Reidemeister torsion relates to these invariants and we give lower bounds on the Thurston norm in terms of the Reide...

Journal: :زیست شناسی جانوری تجربی 0

abstract in this study, big-head carp flesh was processed and fish finger was produced by the formula of 1, 2 and 3 with 70, 80 and 93.5 percent of big head fish flesh respectively. then sensory attributes, biochemical changes and nutritional value such as peroxide value (pv), thiobarbituric acid (tba) and the total volatile nitrogen (tvb-n) changes and microbial load of all three formulas were...

The objective of the present study is prioritization of the quality of information service centers in terms of Kano’s model and asymmetrical performance impact. This research is an applied research in terms of purpose, and is a descriptive survey in terms of data collection. A number of students at Tehran University at different educational levels, as clients of the Central Library during the e...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه یزد 1388

plagiarism in esl/efl learning contexts has been established as a dynamic and multi-layered phenomenon and has become a topic engaging many researchers in a heated debate in recent years. comparisons of student-generated texts with their source texts have shown that students rely on source texts in their writings and copying is a major strategy used by both l1 and l2 writers. in our country a...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی اصفهان - دانشکده ریاضی 1390

the main objective in sampling is to select a sample from a population in order to estimate some unknown population parameter, usually a total or a mean of some interesting variable. a simple way to take a sample of size n is to let all the possible samples have the same probability of being selected. this is called simple random sampling and then all units have the same probability of being ch...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علامه طباطبایی 1389

cultural iran is a scope that is more extended than the political territories of iran as a political unit. this concept means that cultural geography(mehdi moghanlo-1383-1) of iran is greater than its political geography which, according to history, has a long history extending west-east from kandahar to the euphrates and north-south from the persian gulf to the caucasus including transoxiana a...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - دانشکده مهندسی 1389

abstract type-ii fuzzy logic has shown its superiority over traditional fuzzy logic when dealing with uncertainty. type-ii fuzzy logic controllers are however newer and more promising approaches that have been recently applied to various fields due to their significant contribution especially when the noise (as an important instance of uncertainty) emerges. during the design of type- i fuz...

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