نتایج جستجو برای: ارزش پایداری امی asv
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A robust Capon beamformer (RCB) against the uncertainty of nominal array steering vector (ASV) is formulated in this paper. The RCB, which can be categorized as diagonal loading approach, is obtained by maximizing the output power of the standard Capon beamformer (SCB) subject to an uncertainty constraint on the nominal ASV. The bound of its output signal-to-interference-plusnoise ratio (SINR) ...
به منظور بررسی اثر متقابل بین ژنوتیپ و محیط و هم چنین ارزیابی پایداری 9 ژنوتیپ بزرک، دو آزمایش جداگانه به منظور ایجاد 6 محیط مختلف به صورت طرح کرت های دو بار خرد شده در قالب طرح بلوک های کامل تصادفی با سه تکرار اجرا شد. در آزمایش اول تاریخ کاشت کرت های اصلی، ارقام کرت های فرعی و تراکم کاشت کرت های فرعی فرعی را تشکیل دادند. در آزمایش دوم دو سطح مختلف آبیاری کرت های اصلی، ارقام کرت های فرعی و ترا...
تنش شوری یکی از تنشهای غیرزنده مهم است که باعث کاهش تولید محصول گیاهان زراعی در سراسر دنیا می‌شود. به منظور شناسایی لاینهای جو دارای عملکرد دانه قابل قبول و پایدار در شرایط تنش شوری، آزمایشی روی 18 لاین امیدبخش جو و دو شاهد (لاین MBSYT91-8 و رقم خاتم) در ایستگاههای تحقیقات کشاورزی تحت تنش شوری شامل؛ اصفهان، بیرجند و یزد در سالهای زراعی94-1393 و 95-1394 (در مجموع در شش محیط) اجرا شد. نتایج ت...
A tetramer model for HIV-1 integrase (IN) with DNA representing 20 bp of the U3 and U5 long terminal repeats (LTR) termini was assembled using structural and biochemical data and molecular dynamics simulations. It predicted amino acid residues on the enzyme surface that can interact with the LTR termini. A separate structural alignment of HIV-1, simian sarcoma virus (SIV), and avian sarcoma vir...
Glucocorticoid excess promotes visceral obesity and cardiovascular disease. Similar features are found in the highly prevalent metabolic syndrome in the absence of high levels of systemic cortisol. Although elevated activity of the glucocorticoid-amplifying enzyme 11beta-hydroxysteroid dehydrogenase type 1 (11beta-HSD1) within adipocytes might explain this paradox, the potential role of 11beta-...
Many authentication applications involving automatic speaker verification (ASV) demand robust performance using short-duration, fixed or prompted text utterances. Text constraints not only reduce the phone-mismatch between enrolment and test utterances, which generally leads to improved performance, but also provide an ancillary level of security. This can take the form of explicit utterance ve...
The composition and subcellular trafficking of subviral preintegration complexes are reported to vary among the different retroviruses. The process by which the avian sarcoma virus (ASV) preintegration complex gains access to target chromatin remains unknown. Here we report that ASV integrase (IN) expressed as a fusion to beta-galactosidase accumulates in the nuclei of transfected COS-1 cells. ...
AIM The development of direct-acting oral agents has dramatically changed the treatment strategy of hepatitis C virus (HCV) infection. Here we aimed to reveal the efficacy and safety of daclatasvir (DCV) and asunaprevir (ASV) for recurrent HCV genotype 1 infection after liver transplantation (LT). METHODS A retrospective study was undertaken on nine patients who underwent a 24-week DCV/ASV tr...
BACKGROUND Systolic heart failure (HF) is frequently accompanied by diastolic dysfunction and sleep-disordered breathing (SDB). OBJECTIVES The objective of this subset analysis was to determine effect sizes of auto-servo ventilation (ASV and biphasic positive airway pressure ASV) on echocardiographic measures of diastolic function in patients with systolic HF and SDB. METHODS Thirty-two pat...
INTRODUCTION Despite the advent of biological therapies for the treatment of rheumatoid arthritis, there is a compelling need to develop alternative therapeutic targets for nonresponders to existing treatments. Soluble receptors occur naturally in vivo, such as the splice variant of the cell surface receptor for vascular endothelial growth factor (VEGF)--a key regulator of angiogenesis in rheum...
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