According to Sunni narrative sources, Abu Bakr quotes the Prophet’s words that “We, the group of prophets, do not leave any inheritance what we leave is counted as alms.” Although Sunnis believe in authenticity of this narration, Shi'ites reject it because of lack of the chain of transmission and its conflict with the Quran and the Prophet's tradition. This article attempts to search this hadit...

in this investigation the effect of external field on the electron density of nanostructures of cds, cdse, cdte, gaas and polymeric structure of three, four, five and six units of cds as a kind of nanosolar cells has been studied theoretically. as modeling this system in nanodimension, molecular structures has used. specific properties of molecular structures permit us to consider different sym...

the purpose of the present study was to investigate the effect of task-based instruction of vocabulary on the receptive and oral productive acquisition of english vocabulary and compare the results with those obtained from the traditional method. the method and procedure applied in this study was as follows: after the implementation of opt, a group of sixty female students were chosen. the stu...

Despite his obscurity, Abd al-Razzaq Kashani (b736 AH) is a philosopher and mystic who shines bright in the firmament of Islamic philosophy and Sufism. Being fully acquainted with the foundations of theoretical mysticism and Ibn al-Arabi’s school on the one hand, and delving deep into the ancient mystical heritage and mystical teachings of Abu Talib Maki, Khajeh Abdullah Ansari, Abu Abdul Rahma...

all analytical methods are generally based on the measurement of a parameter or parameters which are somehow related to the concentration of the species.an ideal analytical method is one in which the concentration of a species can be measured to a high degree precision and accuracy and with a high sensitivity. unfortunately finding such a method is very difficult or sometimes even impossible.in...

peace and national security protection and ironic solving of international conflicts become the preliminary foundation of the united nations charter and had been considered as the main responsibilities of the security council, after world war ii and the establishment of united nations organization. therefore, the security council enables to analyze every kind of conflicts and challenges which ...

Abu Jaᶜfar muḥammad ibn Ḥabīb Baḡdādī (245 AH) is a literary man and historian of the third century AH who has tried in genealogy, history, vocabulary and collecting poems of poets. Summary writing, mentioning names in various topics without mentioning the source are the features of his historiography. This research aims to find out that what sources ibn Ḥabīb used in compiling his works and wh...

a phase-locked loop (pll) based frequency synthesizer is an important circuit that is used in many applications, especially in communication systems such as ethernet receivers, disk drive read/write channels, digital mobile receivers, high-speed memory interfaces, system clock recovery and wireless communication system. other than requiring good signal purity such as low phase noise and low spu...

three medium magnitude events happened inside the transitional border of south alborz and central iran; namely kahak-qom 2007/06/18 event with ml 5.6, zanjan 2008/05/27 event with ml 5.3 and aradan-garmsar 2007/11/19 event with ml 5.1. this provides us the opportunity to compute focal mechanism and stress drop of the events and compare them with those events happened within the alborz range.