نتایج جستجو برای: in recent century
تعداد نتایج: 17021505 فیلتر نتایج به سال:
In recent years using some methods such as chemotherapy, radiotherapy and bone marrow transplantation has increased the rate of success in cancer treatment, however, cancer is taking more victims every day throughout the world. According to the Natinal Cancer Institute of Iran, about 62040 cases were diagnosed with cancer in Iran during 2007of whom 44.19% were female. Usually, invasive therapeu...
More and more integration systems use ontologies to solve the problem of semantic heterogeneities between autonomous databases. To automate the integration process, a number of these systems suppose the existence of a shared domain ontology a priori referenced by the local ontologies embedded in the various sources. When the shared ontology evolves over the time, the evolution may concern (i) t...
In this paper, (1) we describe our ongoing work aimed at improving the Eighteenth-Century Collections Online (ECCO) database’s utility as a comprehensive and high-fidelity resource, and (2) we discuss some preliminary experiments based on ECCO.
in recent century, sustainability has been the most important feature especially in economic, social and environmental issues. so that it has always been the main concern of regional, national and even international planners as the consequent challenges were the main threat to achieving sustainable development of human society. in this study, all aspects of sustainability including environmenta...
this research was done for understanding islamic fundamentalism and its relationship with violence. islamic fundamentalism has had significant developments since its appearance at the turn of the 19th century. the most important development is its radicalization in recent decades. in this article, the author addresses the roots and principles of islamic fundamentalism, its main theorists and it...
In the recent century,Tehran has been confronted with urban sprawl and rapid population growth that have caused urban landscape transformation, whichis different in various parts of Tehran based on specific economic, cultural and social situations. What is important in this essay is the human perception of their landscape in this process of transformation; therefore, the purpose is analyzing la...
Altering existing buildings for new functions is not a new phenomenon. For example during the Renaissance period, monuments from ancient times were transformed for new uses. During the French Revolution (18th century), religious buildings were transformed for industrial functions or military uses after they had been confiscated and sold. In addition, During the last few decades in Western Europ...
This investigation reveals the capability of Agave lechuguilla for trivalent and hexavalent chromium removal from aqueous solutions. Experimentation included pH profile, time dependence, adsorption capacity (K(F) and Q(L)), adsorption intensity (n and R(L)) and saturation capacity (q(s)) studies. Batch experiments were conducted at 22( composite function)C to characterize and model the adsorpti...
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