نتایج جستجو برای: crataegus assadii
تعداد نتایج: 810 فیلتر نتایج به سال:
This issue of Library Trends, on the theme of Research Into Practice, has been designed with two aims in mind. Published in 2013, it marks the fiftieth anniversary of the founding of the Information School (iSchool) at the University of Sheffield in the United Kingdom by presenting a selection of papers that demonstrate the creativity and variety of research undertaken in the field of librarian...
ویژگیهای ریز ریخت شناسی اپیدرم سطح زیرین برگ و سطح دانه در هشت تاگزون از جنس .Crataegus L مربوط به سری series Pentagynae وسری series Crataegus زیر سری subseries erianthae با استفاده از تصاویر الکترونی (SEM) مورد مطالعه قرار گرفت. تجزیه و تحلیل داده ها با استفاده از روشهای آماری تحلیل واریانس یکطرفه (ANOVA) و تحلیل مولفه های اصلی (PCA) انجام شد. صفات کیفی اپیدرم سطح زیرین برگ شامل تزیینات ...
The genus Crataegus L. has a wide distribution in Iran. Induviduals of Crataegus meyeri Pojark. show morphological variations in different regions. In this research, the effects of climatic variations on morphological traits of C. meyeri were studied. Seventy five specimens collected from nine provinces of Iran were measured in two sets of quantitative and qualitative traits. Statistical analys...
objective: the greatest challenge in cancer gene therapy is to achieve the high specificity and efficiency in targeting of cancer cells. because the goal of cancer gene therapy is to eradicate cancer cells, many therapeutic genes could be detrimental if unintentionally expressed in normal cells. using promoter of the genes which are expressed specifically in cancer cells or have much more expre...
spatial pattern of trees can possibly indicate stand history, population dynamics, and species competition. this research was investigated in the chahartagh forest reserve, ardal region, chaharmehal and bakhtiari province, central zagros forest, and southwest iranian state. in this study 53 hectare of the study area was selected and perfect inventory. information includes the position and kind...
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