نتایج جستجو برای: statistical parameters such as mean diameter

تعداد نتایج: 6626628  

Journal: :acta medica iranica 0
m. azarnia; s. ejtemaee-mehr; a. shakoor a. ansari

vitex agnus castus (chasteberry) is a popular treatment for the management of female reproductive disorders including corpus luteum insufficiency, premenstrual syndrome (pms), menopausal symptoms, and insufficient milk production. according to developing situation of complementary medicine, and frequent use of this herb, it is important to examine its effects during pregnancy. in this research ...

Journal: :Appl. Soft Comput. 2009
Mohammad Zounemat-Kermani Ali-Asghar Beheshti Behzad Ataie-Ashtiani Saeed-Reza Sabbagh-Yazdi

The process of local scour around bridge piers is fundamentally complex due to the three-dimensional flow patterns interacting with bed materials. For geotechnical and economical reasons, multiple pile bridge piers have become more and more popular in bridge design. Although many studies have been carried out to develop relationships for the maximum scour depth at pile groups under clear-water ...

Journal: :journal of sciences, islamic republic of iran 2010
v. ahmadi

field ion microscopy (fim) and scanning tunneling microscopy (stm) have found a wide application in nanotechnology. these microscopes use a metallic nanotip for image acquisition. resolution of fim and stm images depends largely on the radius of nanotip apex; the smaller the radius the higher the resolution. in this research, for tungsten nanotip fabrication, electrochemical etching of tungsten...

پایان نامه :دانشگاه تربیت معلم - سبزوار - دانشکده ادبیات و زبانهای خارجی 1390

this study investigated the effects of planning on second-language written production with regard to task type. the participants were 75 iranian learners of english as a foreign language attending a private foreign language institution. they were asked to complete two different types of writing tasks (expository writing task and argumentative writing task) in different planned conditions (indiv...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه ولی عصر (عج) - رفسنجان - دانشکده ریاضی 1389

in this thesis, first the notion of weak mutual associativity (w.m.a.) and the necessary and sufficient condition for a $(l,gamma)$-associated hypersemigroup $(h, ast)$ derived from some family of $lesssim$-preordered semigroups to be a hypergroup, are given. second, by proving the fact that the concrete categories, semihypergroups and hypergroups have not free objects we will introduce t...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه بیرجند - دانشکده ادبیات و علوم انسانی 1392

in new management approaches, in the organizations with inflexible structure, existing of red tapes and interruptions caused by limitations and also non-compliance with environmental changes, create demotivation among staff. with regard to the influence of job motivational potential and its relationship to the type of organizational structure( enabling and dissuasive), the goal of this research...

Journal: :مرتع و آبخیزداری 0
حمید محمدی ، حمیدرضا کریم زاده جمال الدین خواجه الدین

study of soil and plant relationships is nessesery for ecological- based and appropriate management. the objective of this study is to determine the influence of edaphic properties on haloxylon persicum growth and also, indentifing growth limiting soil properties for saxaul. the study was performed through the stratified random sampling and 3 sites were selected as follow: planted strong saxaul...

Journal: :Designs 2021

In the present paper, an optimized design procedure capable of providing geometry a high efficiency compact hydraulic propeller turbine for low head is proposed and developed. The preliminary based on fundamental turbomachinery mean-line equations employment statistical correlations, which relate main geometrical parameters to parameters. first obtained represents starting point automated aerod...

Journal: :Tekstil Ve Konfeksiyon 2022

The fibre characteristics of fleece determine its fate through the textile industry. Parameters such as diameter, length, elasticity and strength define functional quality fleece. Therefore, aim present study was to investigate effects different environmental factors well wool mineral contents on traits in Central Anatolian Merino sheep. Additionally, were investigated. For this purpose, 300 sa...

خسروی مشیزی, مریم , سرچشمه‌پور, مهدی ,

Calcium and potassium are essential nutrients that play a significant role in increasing yield, quality and postharvest properties of many fruits and vegetables. The role of these nutrients in improving quality and quantity of fleshy fruits is important and their interaction on plants such as cantaloupe is less understood. In this research the effects of calcium (0 and 3 g/L) and potassium (0, ...

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