نتایج جستجو برای: internal r
تعداد نتایج: 667074 فیلتر نتایج به سال:
in this study, the impact of internal r&d; expenditure, technology imports and interaction effects between human capital and technology imports on value added of iranian large industries are investigated over the period of 1994-2008. for this purpose, an endogenous growth model is used in which production is a function of labor, capital stock, human capital, internal r&d; expenditure, technolog...
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...
Background: This study investigated reliability and validity of the Persian version of Impact of Event Scale-Revised (IES-R) in a sample of people from Bam after the 2003 earthquake. Methods: The study was performed in 272 people, 4 months after Bam earthquake. For evaluating internal consistency we used α chronbach and for test-retest reliability (after 3 weeks) we used Pearson correlation coe...
قارچ rhizoctonia solani از مهمترین پاتوژن های خاکزادی است که دامنه میزبانی وسیع تری دارد. سیب زمینی از جمله میزبان های مهمrhizoctonia solani می باشد که سالانه خسارت فراوانی به کمیت و کیفیت این محصول وارد می شود. در این بررسی در سال 1390 نمونه های ساقه و غده دارای علائم بیماری رایزوکتونیایی سیب زمینی از مزارع سیب زمینی استان اردبیل و همچنین نمونه هایی از خاک های زراعی جمع آوری گردید. با کشت قطعا...
generally, developing countries are not able to invest enough on r&d; therefore, they try to get benefit from knowledge spillover, as an external r&d.; this paper tries to investigate the impact of r&d; expenditures and imported intermediate goods, as a proxy for technology imports, on value added of iranian industries. to that end, we use a panel data set of iranian two-digit isic manufacturin...
BACKGROUND Burnout has been traditionally defined in relation to the dimensions of "exhaustion", "cynicism", and "inefficiency". More recently, the Burnout Clinical Subtype Questionnaire (BCSQ-12) further established three different subtypes of burnout: the "frenetic" subtype (related to "overload"), the "under-challenged" subtype (related to "lack of development"), and the "worn-out" subtype (...
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