نتایج جستجو برای: genetic variety
تعداد نتایج: 864248 فیلتر نتایج به سال:
Genetic variability and morphological modifications in flooding tolerance in maize, variety BRS-4154
Basal cell carcinoma (BCC) has a variety of clinical and histological divergence. For instance, morpheaform BCC is rare subtype with poor prognosis. BCCs in Asian people can be diagnosed based on the characteristic pigment features through dermoscopy, while Caucasian usually lack pigmentation, which often make diagnosis more difficult. Trichoblastoma benign tumor, although it closely resembles ...
this thesis basically deals with the well-known notion of the bear-invariant of groups, which is the generalization of the schur multiplier of groups. in chapter two, section 2.1, we present an explicit formula for the bear-invariant of a direct product of cyclic groups with respect to nc, c>1. also in section 2.2, we caculate the baer-invatiant of a nilpotent product of cyclic groups wuth resp...
Optimisation of stacking sequence for composite plates under slamming impact loads using genetic algorithm method is studied in this paper. For this purpose, slamming load is assumed to have a uniform distribution with a triangular-pulse type of intensity function. In order to perform optimisation based on the genetic algorithm method, a special code is written in MATLAB software environment. T...
Derived varieties were invented by P. Cohn in [4]. Derived varieties of a given type were invented by the authors in [10]. In the paper we deal with the derived variety Vσ of a given variety, by a fixed hypersubstitution σ. We introduce the notion of the dimension of a variety as the cardinality κ of the set of all proper derived varieties of V included in V. We examine dimensions of some varie...
به کارگیری روشهای بهینه سازی در تحلیل سیستم های عمران، همانند شبکه های توزیع آب و جمع آوری فاضلاب، منابع آب، سازه و... در چند دهه اخیر مورد توجه متخصصین این رشته واقع شده است. با توجه به هزینه بری فراوان طرحهای آب و فاضلاب (شبکه های توزیع آب و جمع آوری فاضلاب) لزوم به کارگیری روشهای نو و به صرفه برای طراحی و اجرای سیستم های مذکور احساس می شود. روشهای سنتی و مرسوم طراحی شبکه های توزیع آب و جمع آ...
Background: Recurrent pregnancy loss (RPL) is a common and distressing disorder. RPL is a devastating reproductive problem affecting approximately 5% of couples trying to conceive. If we camper the rate of miscarriage in couples may experience RPL with the pregnancy loss rate in general population we may calculate that it is at least two or three times higher than expected. This study aimed to ...
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