نتایج جستجو برای: رهیافت مرزی تصادفی sfa

تعداد نتایج: 123650  

ژورنال: :زراعت و فناوری زعفران 0
عباس جلالی کارشناس ارشد، پژوهشکده زعفران، دانشگاه تربت حیدریه. رضا اسفنجاری کناری دکتری اقتصاد کشاورزی، دانشکده کشاورزی‬، دانشگاه زابل. سمیه شیرزادی لسکوکلایه دکتری اقتصاد کشاورزی، دانشکده کشاورزی‬، دانشگاه زابل.

در مطالعه حاضر کارایی سود زراعت زعفران و عوامل مؤثر بر آن با استفاده از رهیافت تابع تولید مرزی تصادفی و تخمین همزمان مدل سود رفتاری در مزارع زعفران شهرستان تربت حیدریه مورد تجزیه و تحلیل قرار گرفت. برای انجام تحقیق از اطلاعات 81 کشاورز در سال 1393 که به صورت تصادفی مورد مصاحبه قرارگرفته اند، استفاده شد. نتایج نشان داد که میانگین کارایی سود مزارع زعفران برابر با 4/61 درصد می باشد و 3/51 درصد از ...

2017
Michelle A. Briggs Kristina S. Petersen Penny M. Kris-Etherton

Dietary recommendations to decrease the risk of cardiovascular disease (CVD) have focused on reducing intake of saturated fatty acids (SFA) for more than 50 years. While the 2015-2020 Dietary Guidelines for Americans advise substituting both monounsaturated and polyunsaturated fatty acids for SFA, evidence supports other nutrient substitutions that will also reduce CVD risk. For example, replac...

Journal: :Neural computation 2011
Henning Sprekeler

The past decade has seen a rise of interest in Laplacian eigenmaps (LEMs) for nonlinear dimensionality reduction. LEMs have been used in spectral clustering, in semisupervised learning, and for providing efficient state representations for reinforcement learning. Here, we show that LEMs are closely related to slow feature analysis (SFA), a biologically inspired, unsupervised learning algorithm ...

2016
Ahmed Amro Alaa Gabi Adee Elhamdani Naveed Iqbal Mehiar El-Hamdani

Introduction. Retrograde pedal access has been well described in the literature as a secondary approach for limb salvage in critical limb ischemia (CLI) patients. In this manuscript we are presenting a case where retrograde tibiopedal access has been used as a bail-out procedure for the management of superficial femoral artery (SFA) intervention complications. Procedure/Technique. After develop...

Journal: :Fukushima journal of medical science 2014
Yuichi Nakamura Nobuo Komatsu Atsuro Masuda Hiroyuki Kunii Hiroto Takeda Yasuchika Takeishi

An 82 years-old man with intermittent claudication was admitted to our hospital. Computed tomography angiography showed his right superficial femoral artery (SFA) was chronic total occlusion (CTO), and we performed endovascular treatment (EVT). We advanced a guide-wire by contralateral transfemoral approach, but guide-wires could not penetrate the occluded SFA lesion antegradely. Thus, we tried...

2012
Grzegorz Wilanowski Maria Piotrkiewicz

INTRODUCTION Spike frequency adaptation (SFA) is defined as the decline in motoneuron (MN) firing rate during constant current injection. In classical study of Granit et al. (1963) this phenomenon was investigated in anesthetized animals through injecting MNs with long-lasting rectangular current steps. At least two phases of SFA have been observed in these experiments: the rapid initial phase ...

2006
Terezinha Knöbl Tânia A. Tardelli Gomes Mônica A. Midolli Vieira José A. Bottino Antonio J. Piantino Ferreira

The occurrence of fim, pap and sfa operons in Escherichia coli isolated from breeders with salpingitis and chicks with omphalitis was evaluated. Analysis of 100 E. coli isolates, by colony hybridization tests, showed that 78 (78%) were fim, one (1%) was sfa, seven (7%) were fim associated with pap, eigth (8%) were fim and sfa, one (1%) was fimpapsfa and five (5%) isolates did not hybridize with...

ژورنال: :علوم تغذیه و صنایع غذایی ایران 0
فهیمه حقیقت دوست farhad haghighatdoost محمد جواد حسین زاده mj hosseinzadeh اکرم کبیری a kabiri احمد اسماعیل زاده a esmaillzadeh

سابقه و هدف: اطلاعات محدودی در زمینه تأثیر مصرف رژیم غذایی غنی از اسید چرب تک غیراشباع (mufa) بر سطح سرمی آدیپوکین ها در دسترس است. هدف این مطالعه، بررسی اثر رژیم غذایی غنی از mufa بر سطح سرمی ویسفاتین، انسولین و il-6 در زنان دارای اضافه وزن (9/29≥bmi≥25) بود. مواد و روش ها: این مطالعه به صورت کارآزمایی بالینی متقاطع روی 17 زن 20 تا 50 ساله با میانگین نمایه توده بدنی kg/m2 0/2±6/27 انجام شد. اف...

2006
Timo Kuosmanen Mika Kortelainen

The field of production frontier estimation is divided between the parametric Stochastic Frontier Analysis (SFA) and the deterministic, nonparametric Data Envelopment Analysis (DEA). This paper explores an amalgam of DEA and SFA that melds a nonparametric frontier with a stochastic composite error. Our model imposes the standard SFA assumptions for the inefficiency and noise terms. The frontier...

2009
Ian Givens

Few EU countries meet targets for saturated fatty acid (SFA) intake. Dairy products usually represent the single largest source of SFA, yet evidence indicates that milk has cardioprotective properties. Options for replacing some of the SFA in milk fat with cis-monounsaturated fatty acids (MUFA) through alteration of the cow's diet are examined. Also, few people achieve minimum recommended intak...

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