نتایج جستجو برای: 50 and 25 and s3 25

تعداد نتایج: 16928220  

Journal: :European Journal of Electrical Engineering 2020

پایان نامه :0 1375

the following null hypothesis was proposed: there is no significant difference between the efl students listening comprehension development receiving pictorial cues and those receiving no cuse. to test the null hypothesis, 52 male and femal freshmen students of medicine studing at iran university of medical scinces were randomly selected from a total population of 72 students. to ensure that th...

Journal: :Clinical chemistry 1984
E Mayer H Schmidt-Gayk

This interlaboratory study on determination of 25-hydroxyvitamin D (25-OH-D) in serum involved 15 laboratories in eight European countries. All could distinguish between normal (50 +/- 31 nmol/L, mean +/- SD) and grossly increased concentrations, but for eight laboratories the results for serum samples with low and normal 25-OH-D content overlapped. In general, values were well reproducible, bu...

2005
Marius Brülhart Pamina Koenig

We analyze the internal spatial wage and employment structures of the Czech Republic, Hungary, Poland, Slovenia and Slovakia, using regional data for 1996-2000. A new economic geography model predicts wage gradients and specialization patterns that are smoothly related to regions’ relative market access. As an alternative, we formulate a “Comecon hypothesis”, according to which wages and sector...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه دریانوردی و علوم دریایی چابهار - دانشکده مدیریت 1393

within communicative, interactive, and learner-centered framework of language teaching and learning, students need to learn four skills of listening, speaking, reading, and writing for their educational success. but of all the language skills, reading enjoys a paramount significance in so many second or foreign language academic contexts. in spite of its importance, language learners still have...

Journal: :Environment Conservation Journal 2022

A field experiment was carried for the duration of Rabi 2020-21 at crop research farm SHUATS, Prayagraj (U.P.).The soil experimental site sandy loam in texture, almost impartial reaction (PH 7.4), specified randomized block design. It includes two factors, Phosphorus levels i.e., P1-(30 kg/ ha), P2-(40 P3-(50 ha) and Sulphur S1- (15 S2-(20 S3 (25 which replicated thrice. Results shown significa...

Journal: :مرتع و آبخیزداری 0
صلاح الدین زاهدی پژوهشگر مرکز تحقیقات کشاورزی و منابع طبیعی استان کردستان فرهنگ قصریانی عضو هیات علمی موسسه تحقیقات جنگلها و مراتع ، تهران مینا بیات پژوهشگر مؤسسه تحقیقات جنگلها و مراتع تهران

to study the effect of different harvesting intensity on forage production of bromus tomentellus was considered of majid abad qorveh. treatments included four harvested intensity 25, 50 and 75 percent and control (no harvest).data were analyzed based on splitplot over time during four years(1386-1389) using sas and irristat software. the results showed that the main effect of year, different ha...

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