نتایج جستجو برای: کلیدواژه مدل gep

تعداد نتایج: 124484  

Journal: :Global change biology 2017
Jin Wu Kaiyu Guan Matthew Hayek Natalia Restrepo-Coupe Kenia T Wiedemann Xiangtao Xu Richard Wehr Bradley O Christoffersen Guofang Miao Rodrigo da Silva Alessandro C de Araujo Raimundo C Oliviera Plinio B Camargo Russell K Monson Alfredo R Huete Scott R Saleska

Gross ecosystem productivity (GEP) in tropical forests varies both with the environment and with biotic changes in photosynthetic infrastructure, but our understanding of the relative effects of these factors across timescales is limited. Here, we used a statistical model to partition the variability of seven years of eddy covariance-derived GEP in a central Amazon evergreen forest into two mai...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تبریز - دانشکده عمران 1393

مطالعه مکانیزم انتقال بار کف به دلیل ماهیت پیچیده و محدودیت های موجود در اندازه گیری یکی از مسائل چالش برانگیز مهندسی رودخانه می باشد. با وجود مطالعات گسترده ی محققین و ارائه روابط متعدد تجربی و نیمه تجربی به منظور تخمین نرخ انتقال بار کف تاکنون هیچ روش و رابطه ی یکه ای به منظور مدل سازی و تخمین بار کف وجود ندارد. در این تحقیق عملکرد دو روش برنامه ریزی بیان ژن (gep) و مدل ترکیبی الگوریتم ژنتیک ...

2016
Phyllis F.Y. Cheung Tan To Cheung Chi Wai Yip Linda W.C. Ng Sze Wai Fung Chung Mau Lo Sheung Tat Fan Siu Tim Cheung

Granulin-epithelin precursor (GEP) has been demonstrated to confer enhanced cancer stem-like cell properties in hepatocellular carcinoma (HCC) cell line models in our previous studies. Here, we aimed to examine the GEP-expressing cells in relation to the stem cell related molecules and stem-like cell properties in the prospective HCC clinical cohort. GEP protein levels were significantly higher...

2017
Beata Kos-Kudła Jarosław Ćwikła Marek Ruchała Alicja Hubalewska-Dydejczyk Barbara Jarzab Jolanta Krajewska Grzegorz Kamiński

Gastroenteropancreatic neuroendocrine tumors (GEP-NETs) are a large and very diverse group of neoplasms. Clinical presentation of NETs depends on the site of the primary tumor and whether the tumor is functioning (i.e., secreting peptides or neuroamines that produce symptoms). The diagnosis of GEP-NET is further complicated by symptomatic differences that occur depending on the type of secreted...

2017
Jin-Hu Fan Yu-Qing Zhang Su-Sheng Shi Yuan-Jia Chen Xing-Hua Yuan Li-Ming Jiang Shao-Ming Wang Li Ma Yu-Tong He Chang-Yan Feng Xi-Bin Sun Qing Liu Katrina Deloso Yihebali Chi You-Lin Qiao

BACKGROUND Representative data on the gastroenteropancreatic neuroendocrine neoplasms (GEP-NENs) in Asian patients is rare, especially in China. This study aims to create a GEP-NENs profile of Chinese patients. METHODS This was a hospital-based, nation-wide, and multi-center 10-year (2001-2010) retrospective study which collected GEP-NEN patients' information in tertiary referral hospitals. A...

2016
Sheharyar A Qureshi Nicola Burch Maralyn Druce John G Hattersley Saboor Khan Kishore Gopalakrishnan Catherine Darby John L H Wong Louise Davies Simon Fletcher William Shatwell Sharmila Sothi Harpal S Randeva Georgios K Dimitriadis Martin O Weickert

OBJECTIVES To investigate whether screening for malnutrition using the validated malnutrition universal screening tool (MUST) identifies specific characteristics of patients at risk, in patients with gastro-entero-pancreatic neuroendocrine tumours (GEP-NET). DESIGN Cross-sectional study. SETTING University Hospitals Coventry & Warwickshire NHS Trust; European Neuroendocrine Tumour Society C...

Journal: :Applied Mathematics and Computation 2008
Ho-Hyun Park Alexandre Grings Marcus Vinicius dos Santos Alexsandro Santos Soares

In this talk I present a parallel hybrid framework that combines gene expression programming (GEP) as the evolutionary problem­solving methodology and alternative meta­heuristics for tuning parameter values of parallel GEP runs. The implementation of our framework is based on a client­server architecture, including clients that use GEP to evolve candidate solutions for the problem in question, ...

2011
Yongqiang Zhang Jing Xiao

In this paper, an improved GEP(Gene Expression Programming based on Block Strategy, BS-GEP) is proposed in consideration of the characteristics of software reliability growth models, on which a new software reliability modeling method is formed. Block strategy is the key point of BS-GEP, in which the population is divided into several blocks according to the individual fitness of each generatio...

2013
R C S van Adrichem L J Hofland R A Feelders M C De Martino P M van Koetsveld C H J van Eijck R R de Krijger D M Sprij-Mooij J A M J L Janssen W W de Herder

UNLABELLED Chromogranin A (CgA) and the Ki-67 proliferation index are considered as important biochemical and pathological markers for clinical behaviour of gastroenteropancreatic neuroendocrine tumors (GEP NETs), respectively. The IGF system has been suggested as an important regulator of GEP NET proliferation and differentiation. A possible relationship between serum CgA (sCgA), Ki-67 prolife...

Journal: :Molecular biology of the cell 2001
M Tanaka J Miyoshi H Ishizaki A Togawa K Ohnishi K Endo K Matsubara A Mizoguchi T Nagano M Sato T Sasaki Y Takai

The Rab3 small G protein family consists of four members, Rab3A, -3B, -3C, and -3D. Of these members, Rab3A regulates Ca(2+)-dependent neurotransmitter release. These small G proteins are activated by Rab3 GDP/GTP exchange protein (Rab3 GEP). To determine the function of Rab3 GEP during neurotransmitter release, we have knocked out Rab3 GEP in mice. Rab3 GEP-/- mice developed normally but died ...

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