نتایج جستجو برای: during the first islamic centuries
تعداد نتایج: 16333844 فیلتر نتایج به سال:
investigating the feasibility of a proposed model for geometric design of deployable arch structures
deployable scissor type structures are composed of the so-called scissor-like elements (sles), which are connected to each other at an intermediate point through a pivotal connection and allow them to be folded into a compact bundle for storage or transport. several sles are connected to each other in order to form units with regular polygonal plan views. the sides and radii of the polygons are...
since the evidence for direct maritime trade between the sassanid empire and china is exiguous, it has often been asserted that there was no direct sea commerce between these two countries. scholars claim that there is nothing to prove direct chinese sailings to iran before islam and say that direct sea commerce between them was occurred during early islamic period. based on the historical, arc...
One of the most important and influential events in the interaction between Islamic civilization and the West was the Crusades, which lasted for nearly two centuries and extended from Europe to the Levant and Egypt. The main reasons for these wars, apparently, were the religious zeal of the Christians to seize Jerusalem from the Muslims and, in fact, the territorial expansion and influx of the ...
dating- in- verse is a rhetorical art which-according to the most reliable documents- appeared during the period of decline in arabic literature, although some authors believed that pre-islamic poets also wrote some kinds of it. dating-in-verse is the versification of a date written by use of abjd alphabetical order ,in which each letter marks or equals a number, e.g. a=1, b=2 , j=3 etc. to ver...
this study was an attempt to investigate the effect of using c-test passages on the reading comprehension and incidental vocabulary learning of iranian intermediate efl learners. the participants were 60 male efl learners at kish mehr institute in garmsar. in fact, there were two groups, an experimental group and a comparison group with 30 students in each. the participants were pretested throu...
frangibility and short life of textile in comparison to other cultural inheritances of iran led to disappearance of this precious object through the centuries. hence we must focus on other documents like written documents or visual representations to defining their essence. these records can demonstrate their materials quality, patterns, producing centers. the present research tries to investig...
in this thesis, at first we investigate the bounded inverse theorem on fuzzy normed linear spaces and study the set of all compact operators on these spaces. then we introduce the notions of fuzzy boundedness and investigate a new norm operators and the relationship between continuity and boundedness. and, we show that the space of all fuzzy bounded operators is complete. finally, we define...
the foundamental question of this paper is whether in the iranian and islamic civilization has the concept of technology been raised and discussed or not? the response of this research is positive and it is shown that farabi has introduced a deep argument about technology for the first time. in this paper, the definitions of technology are given and the relationship of science and technology is...
abstract this thesis includes five chapter : the first chapter assign to establish fuzzy mathematics requirement and introduction of liner programming in thesis. the second chapter we introduce a multilevel linear programming problems. the third chapter we proposed interactive fuzzy programming which consists of two phases , the study termination conditions of algorithm we show a satisfac...
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