نتایج جستجو برای: الگوریتم c50

تعداد نتایج: 22765  

2008
Enrico Scalas Ubaldo Garibaldi Masanao Aoki

In this paper, we explore a dynamical version of by Aoki and Yoshikawa model (AYM) for an economy driven by demand. We show that when an appropriate Markovian dynamics is taken into account, AYM has di¤erent equilibrium distributions depending on the form of transition probabilities. In the version of the dynamic AYM presented here, transition probabilities depend on a parameter c tuning the ch...

2016

with the exponential growth of social media i.e. blogs and social networks, organizations and individual persons are increasingly using the number of reviews of these media for decision making about a product or service. Opinion mining detects whether the emotions of an opinion expressed by a user on Web platforms in natural language, is positive or negative. This paper presents extensive exper...

2010
Mark M. Pitt Nidhiya Menon

Spatial Decentralization and Program Evaluation: Theory and an Example from Indonesia This paper proposes a novel instrumental variable method for program evaluation that only requires a single cross-section of data on the spatial intensity of programs and outcomes. The instruments are derived from a simple theoretical model of government decision-making in which governments are responsive to t...

2005
Yan Liu

Value at Risk (VaR) has become the industry standard to measure the market risk. However, the selection of the VaR models is controversial. Simulation Results indicate Historical Simulation has significant positive bias, while GARCH (1,1) has has significant negative bias. Also HS adapts structural change slowly but stable, while GARCH adapts structural break rapidly but less stable. Thus the m...

Journal: :Biochemical Society symposium 2003
Frank Uhlmann

The final, irreversible step in the duplication and distribution of genomes to daughter cells takes place when chromosomes split at the metaphase-to-anaphase transition. A protease of the CD clan, separase (C50 family), is the key regulator of this transition. During metaphase, cohesion between sister chromatids is maintained by a chromosomal protein complex, cohesin. Anaphase is triggered when...

2017
Jose L. Herrero Marc A. Gieselmann Alexander Thiele

Acetylcholine is a neuromodulator that shapes information processing in different cortical and subcortical areas. Cell type and location specific cholinergic receptor distributions suggest that acetylcholine in macaque striate cortex should boost feed-forward driven activity, while also reducing population excitability by increasing inhibitory tone. Studies using cholinergic agonists in anesthe...

Journal: :Minerals 2021

This paper presents a physical characterization for the recycling into new concretes of three comminuted concretes: C16/20 (“ordinary concrete”), C50/60 (“high strength and C70/85 (“very high concrete”). The top size crushed was 19.1 mm range 4.75 to mm. carried out with coarse aggregate liberation, be prepared concentrated in gravity concentration process. density distribution aggregate, cemen...

در این مطالعه تأثیر نااطمینانی بر تولید حقیقی بدون نفت در اقتصاد ایران با تخمین الگوی غیرخطی آستانه‌ای با متغیرهای برونزا در دوره ۱۳۶۷:۱ـ1387:2 بررسی می‌شود. شاخص نااطمینانی با استفاده از الگو‌های آرچ  و تحلیل عاملی  محاسبه می‌شود. نتایج تحقیق نشان می‌دهد که اثر نااطمینانی بر تولید، غیرخطی است. در رژیم‌های بالای نا‌اطمینانی و پس از عبور از حد آستانه برآوردشده، این متغیر، بر تولید و به ویژه ...

S. Arbabi S. Ramzanpour T. Ghoorchi,

This study presents the chemical composition and in vitro fermentation of five diets with different forage (alfalfa) to concentrate (faba bean) (F:C) ratios, F0:C100, F25:C75, F50:C50, F75:C25, F100:C0 on a dry matter (DM) basis. Results indicate that the chemical composition in term of organic matter (OM), ether extract (EE), crude protein (CP), acid detergent fiber (ADF), neutral detergent fi...

Journal: :Coatings 2021

This study aims to the influence of a lightly burned magnesium oxide (LBMO) expansion agent on rheological properties (the slump flow, plastic viscosity and variation shear stress) cement-based materials. Four different mass contents (i.e., 0%, 3%, 6% 9%) LBMO were selected. The following compressive strength value corresponding cement concrete tested. Cement with two grades 30 MPa 50 (C30 C50)...

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