نتایج جستجو برای: sequence of key
تعداد نتایج: 21198107 فیلتر نتایج به سال:
background: rna plays key role in many aspects of biological processes and its tertiary structure is critical for its biological function. rna secondary structure represents various significant portions of rna tertiary structure. since the biological function of rna is concluded indirectly from its primary structure, it would be important to analyze the relations between the rna sequences and t...
Abstract Background and objectives: Paraffin-embedded tissues and clinical samples are a valuable resource for molecular genetic studies, but the extraction of high-quality genomic DNA from this tissues is still a problematic issue. In the Present study, the efficiency of two DNA extraction protocols, a commercial kit and a traditional method based on heating and K Proteinase was compared. Mate...
چکیده روش های متعددی برای برآورد رواناب حاصل از بارش در حوضه های آبریز وجود دارد. یکی از این روش ها استفاده از مدل های هیدرولوژیکی است. با استفاده از مدل های هیدرولوژیکی و شبیه سازی فرآیندهای هیدرولوژیکی می توان با صرف کمترین زمان و هزینه، رواناب و مولفه های دیگر چرخ? هیدرولوژیکی را برآورد کرد. از آنجا که در حوضه های آبریز اندازه گیری تمام کمیت های مورد نیاز برای تحلیل رواناب ممکن نیست، انتخاب...
abstractof two mcall programs introducing 100 vocabulary items through two im the researcher of the present study was intrigued to compare the effects age modalities (pictures and streaming video) with those of a conventional method (teacher instruction) in an efl context. she set out to investigate whether such multimedia environments could provide a more effective environment for vocabulary...
abstract background: childhood cancer as a life-threatening illness has negative consequences for both the patients and their family. the aim of this study was to examine the impact of child cancer on their mother's quality of life and to assess the association of quality of life with resilience among mothers of children with cancer. materials and methods: in this cross-sectional study, a total...
Longitudinal study of time and sequence of primary teeth eruption in children, residents in Tehran, from birth (2000-2002) Dr. J. Mahmoodian * - Dr. M. Ghandehari ** - Dr. M. Khojani *** * - Associate Professor of Pedodontics Dept. - Faculty of Dentistry – Tehran University of Medical Sciences. ** - Assistant Professor of Pedodontics Dept. – Faculty of Dentistry – Tehran University of Medical S...
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