نتایج جستجو برای: Structural Characteristics

تعداد نتایج: 1029579  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه رازی - دانشکده علوم 1392

a novel acrylic acid-functionalized fe3o4 magnetic nanoparticle with a core-shell structure was developed for utilization as a heterogeneous organosuperacid in chemical transformations. the structural, surface, and magnetic characteristics of the nanosized catalyst were investigated by various techniques such as transmission electron microscopy (tem), thermogravimetric analysis (tga), and ft-ir...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - دانشکده ادبیات و علوم انسانی 1391

the present dissertation aims to investigate four-word lexical bundles in applied linguistics research articles by iranian and internationally-published writers. the aims of this study are two-fold: first of all, attempts have been made to create a comprehensive list of the most commonly used four-word lexical bundles categorized by their type and token frequency, their structural characteristi...

2010
Hsiu-Yuan Wang Chung Hua

Based on the Unified Theory of Acceptance and Use of Technology Model (UTAUT; Venkatesh, Morris, Davis, & Davis, 2003), the purpose of this study was to investigate the determinants of mobile Internet (m-Internet) acceptance and to understand whether or not there are gender differences in the acceptance of m-Internet. Data collected online from 343 respondents in Taiwan were tested against the ...

2012
John Rennie Norman B. Epstein John Rennie Hart Norman Epstein Kevin Roy

Title of Thesis: COMPARISON OF STRUCTURAL INTERACTION PATTERNS IN AFRICAN AMERICAN AND CAUCASIAN CLINICAL COUPLES: THE MODERATING EFFECT OF FINANCIAL RESOURCES John Rennie Hart, M.S., 2012 Thesis Directed By: Professor Norman B. Epstein, Department of Family Science This study focused on degrees to which African American and Caucasian couples who have sought couple therapy at a community clinic...

2011
Christoph Teller Jennifer A. Thomson

This paper aims to: 1) identify gender differences in perception and evaluation of retail agglomerations and 2) discuss the implications of these differences for marketing and management. Based on a conceptual model we surveyed 2,151 agglomeration shoppers using interviewer-administered questionnaires. Structural equation modelling revealed that: accessibility, parking and infrastructure are pe...

Journal: :مرتع و آبخیزداری 0
غلامعلی حشمتی دانشکده مرتع و آبخیزداری، دانشگاه علوم کشاورزی و منابع طبیعی گرگان، ایران مژگان سادات عظیمی دانشجوی دکتری علوم مرتع، دانشکده مرتع و آبخیزداری، دانشگاه علوم کشاورزی و منابع طبیعی گرگان، ایران پروانه عشوری کارشناس ارشد موسسه تحقیقات جنگل ها و مراتع کشور، ایران

rangeland ecosystem contains various patches with different functions. structural and functional characteristics of rangeland patches are changed by management practices and can be used to interpret management effects. the structural and functional characteristics of fertilized patches in two rangeland ecosystems of ghareh ghir and maraveh tapeh were measured and analyzed in this study. a group...

Journal: :Behavior genetics 2005
D Posthuma D I Boomsma

Structural equation modeling (SEM) provides a flexible tool to carry out genetic analyses of family and twin data. The basic model which decomposes the variance between and within families for a particular trait into genetic and non-genetic components can be generalized to multivariate and/or longitudinal data, incorporate sex differences in parameter estimates, and model the effects of measure...

2012
Rune Aune Mentzoni Jon Christian Laberg

2011
Ingrid Schoon Elzbieta Polek

In this paper we examine the associations between gender, family background, general cognitive ability (g) and career aspirations at early age, and career attainment in mid adulthood drawing on two large representative samples of the British population born in 1958 (N = 6,474) and in 1970 (N = 5,081). A developmental-contextual model of career development is tested in both age cohorts, using St...

2013
Yi Li Jianying Hu Jing Liu Xiaoping Liu Xianming Zheng

Most of the present studies described corporate social responsibility as a holistic concept when investigating the relationship between corporate social responsibility and its outcomes. Few researches were done on the dimensions of corporate social responsibility and their effects. A fourdimension scale of corporate social responsibility is defined in this paper. They are economic responsibilit...

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