نتایج جستجو برای: introductionurbanization in developing countries has caused many problems
تعداد نتایج: 17227376 فیلتر نتایج به سال:
the treatment of in completely formed pulpless teeth has presented considrable problems. these teeth have wide open apexes and the walls of the root canal diverge toward the apical tissues. mechanical preparation cannot be done in the normal manner beacause of the large initial size and the taper of apical part of the canal , a mechanical stop cannot be produced at the apex of the canal and , t...
since esp received universal attention to smooth the path for academic studies and productions, a great deal of research and studies have been directed towards this area. swales’ (1990) model of ra introduction move analysis has served a pioneering role of guiding many relevant studies and has proven to be productive in terms of helpful guidelines that are the outcome of voluminous productions ...
this thesis is a study on insurance fraud in iran automobile insurance industry and explores the usage of expert linkage between un-supervised clustering and analytical hierarchy process(ahp), and renders the findings from applying these algorithms for automobile insurance claim fraud detection. the expert linkage determination objective function plan provides us with a way to determine whi...
many mobile and off-grid devices include electronics and other electrical consumers like servo drives, which need a quite low supply power. since the price for photovoltaic modules drops continuously, photovoltaic power supply is interesting in more and more applications. in solar powered systems, a battery is needed to store energy for the night and cloudy periods. the power electronics of suc...
education of library and information science (lis) has several problems that are caused by the changing nature of the discipline and the social, economic and cultural contexts in which lis departments function. the aim of this article is to enumerate and discuss some of the common problems of lis education in developing countries of asia and suggest solutions. we show that as asian developing c...
agriculture has a key role to play in reducing poverty and hunger in many developing countries. about 75% of the world's poor live in rural areas and most are dependent on agriculture and related activities in the rural economy. for this reason the benefits for developing countries’ farmers have been shown to be substantial if oecd member countries reformed their agricultural policies. the issu...
Rapidly increasing urbanization in the world, especially in developing countries, let to increasing urban extents. Rapid urban growth causes to appearance many problems such as wasting environmental resources, inability of providing necessary services for citizens and unplanned growth. Urban mangers and planners need tools for understanding amount and size of future urban growths to prevent the...
Background: Global distribution of diseases in recent years has shown that health problems are no longer limited to the geographical borders of a country but are a global. Establishing international research collaboration has been highlighted as an appropriate strategy for confronting health problems. The possibility of exploitation of human subjects and also research capacity in developing c...
in this study, scour of mashkid bridge pier located in mashkid river of saravan county has been studied and to measure the scour rate, the numerical model hec-ras 4.0 has been used. upon selection of mashkid river as the case study and whereas the studied zone is important with respect to the climatic conditions and showery monsoon raining and flowing the great and destructive floodwaters, ther...
the growth of industries during the industrialization and after the industrial revolution has caused environmental problems all around the world; specifically in industrial countries. in spite of having high technology, industrial countries have not been able to solve the problem of environmental pollution. even meetings and conferences such as those held in stockholm and johannesburg have not ...
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