نتایج جستجو برای: namely spatial institutional spillover effect in this mechanism
تعداد نتایج: 17612771 فیلتر نتایج به سال:
The purpose of the coordinated development urbanization is to achieve coordination internal subsystems and spatial within region. level its effect are affected by many factors. Based on influence mechanism urbanization, in this study, evaluation index system analysis influencing factors constructed respectively. coupling model, fixed model lag used analyze Beijing-Tianjin-Hebei region, changes ...
This study creatively uses the Dagum Gini coefficient, Kernel density estimation, and Markov chain to measure spatial difference distribution dynamics of urban water-use efficiency in Yellow River Basin from 2008 2018 accurately also analyzes its formation mechanism by using Spatial Durbin Model. The results show that hypervariable intraregional differences constitute main source regional whole...
we have two part in this thesis, at first: the interaction of native calf thymus dna (ct-dna) with two anthraquinones including quinizarin (1,4- dihydroxy anthraquinone) and danthron (1,8- dihydroxy anthraquinone) in a mixture of 0.04 m brittone-robinson buffer and 50% of ethanol were studied at physiological ph by uv-vis absorption, florescence, circular dichroism spectroscopic methods, viscos...
introduction: diabetes mellitus is an growing national and international public health concern. the number of people affected by diabetes in world by 2030 will be 69% in developing countries. regular physical activity plays a key role in the management of type 2 diabetes melitus, particularly glycemic control. it has been recommended that peoples with type 2 diabetes participate in moderate-int...
The digital economy can change the proportions and types of production factors, gradually replace traditional backward reconstruct division labor cooperation system, improve productivity, which is an important basis for balanced sufficient development. This paper measures comprehensive level development, by using Chinese provincial panel data from 2013 to 2021, uses fixed effect model, mediatio...
based on the latest records of typhlops vermicularis merrem, 1820 from iran, this species is distributed in the northern and southern regions of the country. in this study, new records of typhlops vermicularis are presented and it is shown that distribution range of this species is extended towards the eastern and western iran, and according to the new distribution map, it can be assumed that t...
nothing affects learners more than assessment, so it is important to involve them in assessment process. involvment of learners in assessment helps them to become autonoumos learners. despite this importance iranian learners specialy javanroodian ones are not activily involved in the process. hence the aim of this thesis is to invesrtigate thier ability in th eassessment process
in knowledge-based economy, knowledge has a public good and non-rivalry nature. firms build their own knowledge stock not only by means of internal r&d and collaboration with partners, but also by means of previously spilled over knowledge of other firms and public research laboratories (such as universities). firms based on their absorptive capacity, and level of intra-industry and extra-i...
Research opinion on informatization is divided between two opposite poles—that it promotes or inhibits the spillover of regional economies. These conflicting viewpoints are called “the paradoxical geographies of the digital economy”. Information-based investment and diffusion of informatization contribute to breaking the economic space constraints caused by distance, leading to interregional sp...
Productivity differences can explain differences in economic growth across countries. It has been demonstrated that the presence of a foreign-owned multinational enterprise (MNE) in a developing country is one of the most important methods through which technology transfer occurs. This presence could be in the form of foreign direct investment (FDI), licensing, or imports from the developing co...
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