نتایج جستجو برای: structural break

تعداد نتایج: 434895  

ژورنال: علوم آب و خاک 2012
آزاده صفادوست, , علی اکبر محبوبی, , محمد‌رضا مصدقی, , معصومه نیکپور, ,

The effects of soil intrinsic properties on soil structural stability were evaluated. Soil samples (33 series) with wide ranges of properties and structural stability were collected from Hamadan province. Two structural stability indices were used: mean weight diameter (MWD) using Yoder method and De Leenheer-De Boodt index (DDI). Wetting pre-treatments (fast wetting to saturation and slow wett...

Journal: :Information Management and Business Review 2023

Asian countries have experienced many financial catastrophes and pandemics in the past couple of decades. Therefore, evaluating effect structural breaks on economies has taken substantive attention empirical literature. Thus, this study aims to investigate Financial Development (FD) Economic Growth (EG) middle-income Asia. The considered global crisis 2008 as a key break. sample consisted 24 wh...

2007
Alastair R. Hall Sanggohn Han Otilia Boldea

In this paper, we extend Bai and Perron’s (1998, Econometrica, p.47-78) framework for multiple break testing to linear models estimated via Two Stage Least Squares (2SLS). Within our framework, the break points are estimated simultaneously with the regression parameters via minimization of the residual sum of squares on the second step of the 2SLS estimation. We establish the consistency of the...

Marjan Mohammadi,

Rarely, do we think of cancer as “bacterial”, such that we are often told that “cancer is NOT contagious” Persistent bacterial infections cause persistent irritation of the host’s defense systems, which when ineffective in eradication of the infection, result in a multitude of self-destructive damages. This in some cases occurs to such severity that the resu...

2016
Wen Cheong Chin Min Cherng Lee Grace Lee Ching Yap

High frequency financial data modelling has become one of the important research areas in the field of financial econometrics. However, the possible structural break in volatile financial time series often trigger inconsistency issue in volatility estimation. In this study, we propose a structural break heavy-tailed heterogeneous autoregressive (HAR) volatility econometric model with the enhanc...

2009
Nicole M. Baker Rakhi Rajan Alfonso Mondragón

Topoisomerases are ubiquitous proteins found in all three domains of life. They change the topology of DNA via transient breaks on either one or two of the DNA strands to allow passage of another single or double DNA strand through the break. Topoisomerases are classified into two types: type I enzymes cleave one DNA strand and pass either one or two DNA strands through the break before reseali...

Journal: :iranian biomedical journal 0
marjan mohammadi hpgc group, medical biotechnology department, biotechnology research center, pasteur institute of iran

rarely, do we think of cancer as “bacterial”, such that we are often told that “cancer is not contagious” persistent bacterial infections cause persistent irritation of the host’s defense systems, which when ineffective in eradication of the infection, result in a multitude of self-destructive damages. this in some cases occurs to such severity that the resulting cellular hyper-proliferation pr...

رضوی, فرزاد, شریفیان, هدا , عسکریان ابیانه, حسین , محمدی چبنلو, رضا ,

Nowadays in order to increase the reliability and other special aims, the power networks are exchanged to the large and interconnected networks. In such networks, the relays setting and coordination is complicated and needs to determine break points. Break points are the initial points in coordination process and in pervious works, different methods are proposed to finding them in interconnecte...

Journal: :Journal of medical genetics 1977
J R Savage

Some comments are provided for the benefit of new workers on the use of chromosome banding techniques for the recognition, classification, scoring, and break point location of primary chromosomal structural changes.

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