نتایج جستجو برای: snowball sampling was used

تعداد نتایج: 5069825  

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

abstract sensitive and precise voltammetric methods for the determination of trace amounts of furaldehydes, mainly as furfural (f) and 5-hydroxymethyl-2-furaldehyde (hmf), in waste waters and other matrices is described. determination of total furaldehyde at < ?g g-1 levels in alkaline buffered aqueous media was individually investigated. by the use of ordinary swv and adsorptive square wave ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور مرکز - دانشکده زبانهای خارجی 1391

the primary goal of the current project was to examine the effect of three different treatments, namely, models with explicit instruction, models with implicit instruction, and models alone on differences between the three groups of subjects in the use of the elements of argument structures in terms of toulmins (2003) model (i.e., claim, data, counterargument claim, counterargument data, rebutt...

2011
Cheryl MR Sulaiman-Hill Sandra C Thompson

BACKGROUND As almost half of all refugees currently under United Nations protection are from Afghanistan or Iraq and significant numbers have already been resettled outside the region of origin, it is likely that future research will examine their resettlement needs. A number of methodological challenges confront researchers working with culturally and linguistically diverse groups; however, fe...

Journal: :Anesthesiology 2009
Norihito Kitagawa

To the Editor:—We read with interest the article by Johnson and Swanson on procaine neurotoxicity, and are interested in why they decided to use undiluted 10% procaine instead of 5% procaine prepared with 10% procaine and equal volumes of either 10% glucose or cerebral spinal fluid. When the first report of transient radicular irritation with spinal anesthesia using 5% lidocaine appeared, our d...

Journal: :مدیریت دولتی 0
محمدرضا پورعابدی استادیار مدیریت منابع انسانی، جهاد دانشگاهی، تهران، ایران

. by using theorical sampling and using sampling techniques targeted (judgment) sampling and application of snowball (chain) and purposive sampling was carried out on the basis of 16 interviews with administrators, faculty and academic experts of acecr which were experienced in the field of exploitation and exploration and are expert in both fields. analysis of interview data in the process of ...

2002
Mosuk Chow Steven K. Thompson

For inference from link-tracing designs, Frank and Thompson (1998) derived the likelihood function for the graph model. In addition, they provided the likelihood functions considered under the symmetric model and also an asymmetric model. In that paper, they used maximum likelihood estimators to est imate the graph model parameters. Here, we propose a Bayesian approach for the estimation proble...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه مازندران - دانشکده علوم انسانی و اجتماعی 1392

tourism , today as one of the ways to make money, create jobs , and social and political interactions is considered. this paper aims to examine the strengths and weaknesses of tourism development in mahmoud abad ( mazandaran ). the research method in this study is " descriptive - analytical " and to collection of data used field methods such as questionnaires and documentation - library. the sa...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تبریز 1390

learning a second or foreign language requires the manipulation of four main skills, namely, listening, reading, speaking, and writing which lead to effective communication. it is obvious that vocabulary is an indispensible part of any communication, so without a vocabulary, no meaningful communication can take place and meaningful communication relies heavily on vocabulary. one fundamental fac...

Journal: :مدیریت دولتی 0
سیدمحمد مقیمی استاد مدیریت، دانشگاه تهران، تهران، ایران محمدصادق ضیائی دانشیار مدیریت، دانشگاه تهران، تهران، ایران سعیدرضا عاملی استاد مطالعات جهان، دانشگاه تهران، تهران، ایران عباس نرگسیان دانشجوی دکتری مدیریت دولتی، دانشگاه تهران، تهران، ایران

bureaucracy is became dominant structure of government, however, language of government is largely became by language of bureaucracy. many of the problems of public administration are to be traced to, and found in, the language of bureaucracy. this thesis examines the nature of language of government in three decades of islamic revolution of iran and designs efficient pattern of language of gov...

Journal: :Anesthesiology 2009

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