نتایج جستجو برای: monosymmetric section
تعداد نتایج: 157851 فیلتر نتایج به سال:
Phylogenetic analysis of the "ECE" (CYC/TB1) clade reveals duplications predating the core eudicots.
Flower symmetry is of special interest in understanding angiosperm evolution and ecology. Evidence from the Antirrhineae (snapdragon and relatives) indicates that several TCP gene-family transcription factors, especially CYCLOIDEA (CYC) and DICHOTOMA (DICH), play a role in specifying dorsal identity in the corolla and androecium of monosymmetric (bilateral) flowers. Studies of rosid and asterid...
چکیده ندارد.
this research concentrates on the lithostratigraphy, biostratigraphy, microfacies and sedimentary environment of the asmari and gachsaran formations at southwest firuzabad. the thickness of the studied section in all 608.95 meters that 220.8 meters belong to the asmari formation and 387.95 meters belong to the gachsaran formation (champe and mol members). in the study area, the asmari formation...
گونه های متفاوت prunus به بادام نزدیک می باشد، آن یک گونه از جنسprunus و زیر جنسamygdalus خانواده rosacea ، زیر خانواده (prunoideae) بوده که در مناطق کوهستانی آسیای مرکزی از نواحی تیان شان در چین تا کردستان شامل ترکمنستان، افغانستان، ایران، با خواص داروئی و بالابردن مقاومت خاک به عوامل فرسایشی می باشد. سیکل رشد این گیاه به گیاهان مناطق مدیترانه ای شبیه می باشد. از نظر فرم رویشی به 4 دسته :فرم د...
The flowers of Dichorisandra thyrsiflora (Commelinaceae) are monosymmetric and composed of three sepals, three petals, six stamens, and three connate carpels. The anthers are poricidal and possess a wall of five cell layers (tapetum included). This type of anther wall, not previously observed in the Commelinaceae, is developmentally derived from the monocotyledonous type via an additional peric...
In recent years, numerous research works have been reported on the flexural response of aluminium alloy tubular cross-sections. However, studies monosymmetric cross-sections and particularly channel (C-) sections are limited, albeit their increased usage in structural applications. This paper aims to address this knowledge gap providing an improved understanding about minor axis bending behavio...
the purpose of the present study was to investigate the latent pattern underlying reading ability . some 272 male and female participants. english majors at the ba level , participated in the study. two valid tests were used in this study, the reading test developed exclusively for the purpose of this project and academic reading section of ielts. to investigate the possible latent underlying...
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