in arabic poetry, the device of repetition functions at two levels: form and meaning. in form, repetition makes for musical richness, and in meaning, it makes for emphasis. the present article is a study of repetition in “an address from the market of idleness” by palestinian poet samä«h al-qäsim. the poem depicts actual and possible palestinian sufferings inflicted by israelis and stresse...

sorting and classification of agricultural products by machine vision system reduce costs and increase quality and accuracy. this research was performed to develop an algorithm and machine vision system for separating dirty and defects eggs and classifying by volume and weight. this machine installed on transport line egg in agriculture included a digital camera, computer and mechanical device ...

colloidal quantum dots offer broad tuning of semiconductor band structure via the quantum size effect. in this paper, we present a detailed investigation on the influence of the thickness of colloidal lead sulfide (pbs) nanocrystals (active layer) to the photovoltaic performance of colloidal quantum dot solar cells. the pbs nanocrystals (qds) were synthesized in a non-coordinating solvent, 1-oc...