نتایج جستجو برای: investigation of inheritance

تعداد نتایج: 21177419  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تبریز - دانشکده ادبیات و زبانهای خارجی 1393

abstract this quasi-experimental study was aimed at examining the impact of storyline complexity on the grammatical accuracy and complexity of advanced and intermediate efl learners. a total of 65 advanced and intermediate efl learners were selected from iran language institute (ili). an intact group including 35 intermediate participants and another intact group with 30 advanced participants ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علامه طباطبایی - دانشکده ادبیات و زبانهای خارجی 1392

while performance-based language assessment has led to an increased authenticity and content validity in the practice of writing assessment, the reliability of ratings has become a major issue. research findings have shown different reactions by native english speaker (nes) and non-native english speaker (nns) teachers to students’ writings. the focus of this study is on investigating whether i...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه رازی - دانشکده علوم 1390

چکیده هدف از این کار بررسی الکترواکسیداسیون کتکول و مشتقات آن در حضور 4-فنیل سمی کاربامازید بوده است اکسیداسیون کتکولها ترکیبات نا پایدار کینونها را تولید می کنند که این ترکیبات می تواند در واکنش مایکل بعنوان پذیرنده نوکلئوفیل عمل نمایند. در ادامه اکسایش کتکولهای (a-c1) را درحضور 4-فنیل سمی کاربامازید در محلول آب/استونیتریل (90/10)بوسیله ولتامتری چرخه ای و کولن متری در پتانسیل ثابت مورد بررسی ...

2016
Mackenzie J. Lind Philip R. Gehrman

This review summarizes current research on the genetics of insomnia, as genetic contributions are thought to be important for insomnia etiology. We begin by providing an overview of genetic methods (both quantitative and measured gene), followed by a discussion of the insomnia genetics literature with regard to each of the following common methodologies: twin and family studies, candidate gene ...

Journal: :British journal of anaesthesia 1970
M Whittaker M D Vickers

Following a suggestion in an Editorial in the British Journal of Anaesthesia in November of 1967, we wrote to this Journal and others in the United Kingdom, ofFering to provide a service of cholinesterase estimations and dibucaine and fluoride numbers for anaesthetists in the United Kingdom. It was hoped that, on their part, those who sent serum would co-operate with us in elucidating any inter...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه اصفهان - دانشکده ادبیات و علوم انسانی 1386

چکیده ندارد.

Journal: :Frontiers in art research 2023

Luyang flower cloth as intangible cultural heritage, through evolution, has a strong sense of culture and modern sense, is the crystallization art science, traditional craft production technology, like other crafts, also facing inheritance crisis. In context protecting inheriting heritage revitalizing Chinese craft, this paper takes object investigation, based on perspective protection, literat...

2013
Rachana Gyawali Xiaorong Lin

UNLABELLED Uniparental inheritance of mitochondrial DNA is pervasive in nonisogamic higher eukaryotes during sexual reproduction, and postzygotic and/or prezygotic factors are shown to be important in ensuring such an inheritance pattern. Although the fungus Cryptococcus neoformans undergoes sexual production with isogamic partners of opposite mating types a and α, most progeny derived from suc...

Background and Aims: Retinitis pigmentosa (RP) is the most common form of inherited retinal degeneration, photoreceptors loss of which in the retina causes visual loss. The purpose of the present study was to determine patterns of inheritance in RP patients in Yazd to help the health professional for designing suitable laboratory testing for the high risk families. Materials and Methods: Thirt...

2002
Lindell Bromham Adam Eyre-Walker Noel H. Smith John Maynard Smith

Mitochondrial DNA is the primary tool in the investigation of recent evolutionary history, particularly for uncovering human origins and expansion. Maternal inheritance of mitochondria enables models of population history to be much simpler that those needed for the analysis of nuclear DNA. The recent report of a man with his father’s mitochondria suggests a rethink of mitochondrial evolutionar...

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