نتایج جستجو برای: conceptual model of national sdi
تعداد نتایج: 21398817 فیلتر نتایج به سال:
the main purpose of this research was to:1.develop a coking model for thermal cracking of naphtha.2.study coke inhibition methods using different coke inhibitors.developing a coking model in naphtha cracking reactors requires a suitable model of the thermal cracking reactor based on a reliable kinetic model.to obtain reliable results all these models shall be solved simultaneously.for this pu...
The Scalable-Delay-Insensitive (SDI) model is proposed for high-performance asynchronous system design. In this paper, we focus on checking whether a circuit under SDI model satisfies some untimed properties, and formally show that checking these properties in the SDI model can be reduced to checking the same properties in the bounded delay model. This result suggests that the existing verifica...
Spatial data is a key resource for national development. There is a lot of potential locked in spatial data and this potential may be realized by making spatial data readily available for various applications. SDI (Spatial Data Infrastructures) provides a platform for the data users, producers and so on to generate and share spatial data effectively. Though efforts to develop spatial data infra...
abstract global financial crisis has created too many problems in relations among governments. among these problems, the issue of global monetary management, more than every time in the past four decades, has been moved in the center of international economic attentions. a problem which is specially known with the monetary hostility between united states and public republic of china. where ar...
due to lack of knowledge management system in the organization of technical and vocational university of iran (tvuni) and losing good employees because of retirement and substitution causes huge amount of costs to replace the similar expertise. there is no any suitable system in the tvuni to store, to document, and to distribute knowledge. based on the university’s features such as it has diffe...
hydrological drought refers to a persistently low discharge and volume of water in streams and reservoirs, lasting months or years. hydrological drought is a natural phenomenon, but it may be exacerbated by human activities. hydrological droughts are usually related to meteorological droughts, and their recurrence interval varies accordingly. this study pursues to identify a stochastic model (o...
The coastal zone is a complex area, consisting of both the marine and terrestrial environments. It is also home for an increasing number of activities, rights and interests, and according to the UN Atlas of the Ocean 44% of the worlds population. Worldwide countries are realising the need to balance development and exploitation of resources in the coastal zone with environmental and social need...
abstract: in the paper of black and scholes (1973) a closed form solution for the price of a european option is derived . as extension to the black and scholes model with constant volatility, option pricing model with time varying volatility have been suggested within the frame work of generalized autoregressive conditional heteroskedasticity (garch) . these processes can explain a number of em...
The concept of sustainable development (SD) has become widely accepted among nations, organisations, and individuals. Recent quantitative conceptual models have indicated relations between stakeholder perspectives SD, brand image, customer satisfaction. purpose this study is to estimate a Sustainable Development Index (SDI) as an easy applicable survey item which used perceptions. By applying P...
this study aimed at identifying and analyzing issues and challenges on the agricultural research and technology development under the national innovation framework. the survey consisted of two groups: agricultural researchers of agriculture-research and education organization and all faculty members of public agricultural faculties of ministry of scientific, research and technology. using cochr...
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