This survey is accomplished by the purpose of effective social and cultural factors on educational progress of high-school students in Shoush city.Out of 3200 persons about 280 persons were selected as sample volume according to Cochran formula. Sampling method was simple random.The most appropriate theory for this research is Parsons systematical theory .In this survey ,the relation of 8 varia...

Many software systems for Discrete Mathematics incorporate routines that compute NP-hard functions. In spite of their worst-case exponential running time, there are often a wide range of inputs for which these routines run in interactive time. It is generally diicult for a user to distinguish, a priori, the \easy" inputs from those that are \hard". A percent-done progress indicator is a softwar...

We use a recently derived result to extract from two-pion interferometry data from pp̄ collisions the radius of the coherent component in the source. We find a coherent source radius of about 2fm. PACS numbers: 25.75. -q, 25.70. Pq, 25.70 Gh. Two-particle Bose-Einstein interferometry (also known as Hanbury Brown-Twiss intensity interferometry) as a method for obtaining information on the space-t...

Background and Aim: One of the key aspects of maternal care is observing the progress of labor. Careful assessment of labor progress could provide mothers to be referred on time and could decrease the maternal and neonatal morbidity. This study aimed to compare diagnostic accuracy of purple line with transvers diagonal of Michaelis sacral rhomboid to predict labor progress in nulliparous and mu...

the goal of this study was to investigate the effect of using computer conceptual maps­, compared with  usual way of drawing them by pencil and paper­, in increasing learning, recalling and educational progress motivation in geology course among high school students. the study was conducted in semi experimental method in which students of 3 classes were classified in 3 groups. (group 1: common ...