There exists a close relationship among digital one/half band filters, low/high order different iators and di screte/different i at ing Hilbert transformers. The purpose of this paper is to present a complete picture of their interrelationships and conversions between each other. A useful table and some block diagrams have been developed for their impulse response's connections, and a design ex...

the storytelling with picture (pardeh-khani), as one of the traditional forms of theatre in iran has many capabilities in artistic and dramatic expression. yet, about this kind of traditional theatre, many researches has been accomplished about its structure and performing methods. the main question of this article is that, is it possible to use this theatrical form in one of the most important...

The front cover picture illustrates a rhodium-catalyzed enantioselective hydroacylation of racemic alkynals having substituent at the α-position carbonyl group. Mechanistic studies revealed that occurs preferentially from one enantiomer substrate via dynamic kinetic resolution (DKR) process. shows an outline DKR process by using illustration soccer, in which player getting good ball (i. e., ena...

A study currently underway in Nepal aims to discover how quickly standards of visual literacy can be improved by teaching several key clues to picture interpretation. Among non-literate populations, this could help to bring improvement to the effectiveness of extension workers in health, and many other areas. It is noted that research in the visual literacy field has given clear indications of ...