نتایج جستجو برای: 14485 and 13381 man
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مراتع حدود نیمی از خشکی های جهان را در بر دارند و پوشش گیاهی آن در نتیجه تأثیر متقابل محیط و موجودات زنده به وجود آمده است و به عنوان یک اکوسیستم طبیعی مدیریت می شوند. علاوه بر مراتع، راه ها در عصر حاضر نیز از اجزا مهم و زیرساخت های اصلی زندگی نوین و توسعه کشورها به شمار می روند. جاده ها ساخته دست بشر هستند و جوامع گیاهی کنار جاده تحت تأثیر ساخت و ساز قرار دارند. پوشش "رودرال" به مجموعه ای از پ...
background: knowledge of radioactivity levels in human diet is of particular concern for the estimation of possible radiological hazards to human health. however, very few surveys of radioactivity in food have been conducted in iran therefore the baseline values of the natural radionuclides concentration (40k, 226ra and 232th), and man made radionuclide, 137cs, were determined in twenty six sam...
the foundation and corner stone ef mulla sadra's attitude toiuards man depends on his whole philosophical system of transcendent philosopfd, tuhich is plunged deep!j into his metapysical vieiv efman as a microcosm in whom creation returns to its source and multiplidty to its uniry; the prindples of his stttcfy provide, therefore, the last link in the rycle of his cosmology and a kry for th...
The human conditions was very different before and after breathing the soul and the teaching the names; This caused the devil not to prostrate and to disobey the divine command. The present study, by descriptive-analytical method and by comparing the verses of Surahs: Al-Alaq, Al-Baqarah and Al-Rahman and considering the relationship between the mentioned verses, came to the conclusion that the...
Purpose: This research aims at the assessment of the “Ketabe Man” project from librarians' and users' viewpoint in Tehran public libraries. Method: A survey procedure was used as the research method. The data were collected by questionnaires. The study population included 21 librarians and 384 users of the “ketabe man” project in 10 Tehran public libraries. Findings: The findings showed that mo...
امروزه توجه به فرآیند مدیریت استراتژیک در سازمان های پویا بیش از پیش مورد توجه قرار گرفته است . در دنیای متلاطم کنونی که تغییرات روند روز افزونی به خود گرفته اند دیگر نمی توان کسب و کاری را بدون داشتن استراتژی و چشم اندازی قابل تحقق اداره نمود. مکاتب کلاسیک پیش تدبیری نیز بدلیل افزایش متغیرهای تاثیرگذار محیطی کارایی خود را از دست داده اند. علاوه بر این آنچه حائز اهمیت است توجه به کل فرآیند مدیر...
[1] Submersible investigations of the Cascadia accretionary complex have identified localized venting of methane gas bubbles in association with gas hydrate occurrence. Acoustic profiles of these bubble plumes in the water column in the vicinity of Hydrate Ridge offshore Oregon provide new constraints on the spatial distribution of these gas vents and the fate of the gas in the water column. Th...
Although the sequence and organization of many Bacillus subtilis tRNA genes are known, primary transcripts from these regions have not been previously analyzed. In this paper, S1 nuclease mapping, S1-type mapping, and Northern analyses were applied to the end of the 23 S rRNA, the 5 S rRNA, and the 21 tRNA genes of B. subtilis operon rrnB. Primary transcripts from the 5 S rRNA and tRNA genes up...
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