نتایج جستجو برای: until the large
تعداد نتایج: 16137784 فیلتر نتایج به سال:
The study of body length and weight, maturity age, sex ratio, egg diameter, fecundity and spawning season of common carp has been done and the main aim was help to its population rebuilding. 1023 specimens were caught in Anzali wetland monthly from October 2015 until March 2017. There was used sexual maturity stages 3-7 for determining adults and, Gonado-somatic index and sexual maturity stages...
هدف تحقیق حاضر بررسی تاثیر نشانه های فرا گفتمان متنی بر فهم متون انگلیسی به وسیله ی زبان اموزان فارسی زبان است.این تحقیق علاوه بر این کوشیده است تا میزان اگاهی این زبان اموزان و نحوه ی تعامل انان را با متون خوانده شده در زبان انگلیسی به وسیله ی پرسش نامه ی تهیه شده بررسی کند.بر اساس محتوای یک متن انگلیسی یازده سوال درست /غلط طرح گردید و یک مرتبه با ان متن و یک مرتبه با نسخه ای که نشانه ها...
The past 50 years have seen many developments in tobacco that we now take for granted but were once unthinkable. In those earlier days, smoking was permitted almost everywhere—restaurants, workplaces, schools and even the WHO’s Geneva headquarters. Tobacco advertising pervasive enticing. Cigarette packs glossy. Public education relied on occasional posters leaflets. Health warnings insipid. Cig...
In this paper, a new method is presented for encryption of colored images. This method is based on using stack data structure and chaos which make the image encryption algorithm more efficient and robust. In the proposed algorithm, a series of data whose range is between 0 and 3 is generated using chaotic logistic system. Then, the original image is divided into four subimages, and these four i...
buckling instability is the most important factor at columns failune. icauses large deflection and mostly is analysed by first yield criterion. due fo some difficulties in application of the criterion, soecially in inelastic columns, a new method, namely geometric criterion is introduced in this paper to improve the buckling analysis of real columns. in this research project a number box- secti...
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