نتایج جستجو برای: especially blundell and bond 2000

تعداد نتایج: 16865973  

Journal: :Agricultural and resource economics 2021

Purpose. Given the efforts towards achieving United Nations’ Sustainable Development Goals (SDGs) for food security by 2030, this study investigates moderating impact of public investments in agriculture on agricultural producer price – sustainability nexus 40 African countries covering period from 2000 till 2019.
 Methodology / approach. In we used multiple regression techniques to explor...

Journal: :Working Paper Series 2023

International development cooperation has evolved since the 1960s. The effectiveness of aid is still topical, but studies have not paid adequate attention to relationship between sectoral aid, politics, institutions, and in fragile states. Using data from 2002 2020, this paper examines effects education health on outcomes It uses Arellano-Bover/Blundell-Bond system generalized method moments es...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی خواجه نصیرالدین طوسی - دانشکده مهندسی برق و کامپیوتر 1391

power transformers are important equipments in power systems. thus there is a large number of researches devoted of power transformers. however, there is still a demand for future investigations, especially in the field of diagnosis of transformer failures. in order to fulfill the demand, the first part reports a study case in which four main types of failures on the active part are investigate...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه گیلان - دانشکده علوم انسانی 1391

this research is a study on indicators of listening instruction in iranian english as a foreign language (efl) curriculum at guidance school and high school educational levels. this thesis aims at determining: a) the indicators of listening instruction at guidance school and high school efl curriculum. b) the indicators of listening instruction in irans guidance school and high school efl curri...

Journal: :Architectural Research Quarterly 2016

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه ارومیه - دانشکده ادبیات و علوم انسانی 1390

the present study was concerned with exploring the frequency and linguistic focus of corrective feedback types given by novice and experienced female teachers working with young learners and compared it with those of elementary classes for adults. moreover, it aimed at measuring learners’ acknowledgement of teachers’ corrective feedback in the form of uptake in relation to linguistic coverage o...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه ایلام 1388

the present study was an attempt to determine the types of motivation and levels of foreign language learning anxiety among efl students studying at azad and state universities in kermanshah and to determine the relationship between these two factors and language proficiency and gender. to this end, the foreign language learning motivation scale, by deci and ryan )1985(, were administered to 12...

Journal: :journal of dentistry, shiraz university of medical sciences 0
zahra khamverdi dental research center, dept. of operative dentistry, school of dentistry, hamedan university of medical sciences, hamedan, iran. loghman rezaei-soufi dept. of operative dentistry, school of dentistry, gilan university of medical sciences,gilan, iran. tayebeh rostamzadeh dept. of operative dentistry, school of dentistry, gilan university of medical sciences,gilan, iran.

statement of the problem: self-etch adhesives can activate matrix metalloproteinase (mmp) which hydrolyzes organic matrix of demineralized dentin. epigallocatechin gallate (egcg), especially found in green tea, could inhibit the activation of mmp. purpose: the aim of this study was to evaluate the effect of adding epigallocatechin gallate (egcg) into two types of adhesives on dentin bond streng...

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