Computer simulation of the strong ground motion generated from the earthquake•rupture process on a shallow strike-slip fault are carried out by using a 3-D finite difference method. The faulting process is modeled using a dynamic crack model with fixed rupture velocity or with finite-stress-fracture criterion. The near-source ground motion is sensitive to the details of sliprate or slip-acceler...

background: our hearing ability in space is critical for hearing speech in noisy environment and localization. the spatial hearing questionnaire (shq) has been devised to focus only on spatial haring tasks (e.g., lateralization, distance detection and binaural detection). the aim of the present study was to determine the reliability and validity of the persian translation of the shq (spatial he...

it is important for people to improve cognitive and motor performance. the purpouse of this study was to investigate the effect of running on treadmill in spatial memory and learning and motor performance. 24 albino-wistar healthy male rats were randomly divided into control and activity groups. activity group ran 7 days on treadmill (speed 22m/min 30 minutes a day). after the end of activity p...

Objectives: The purpose of the present study was comparing visuo-spatial attention between children with Attention Deficit Hyperactivity Disorder-Inattentive (ADHD-I) type and normal children. Methods: In this cross-sectional study fifteen (7-10 years of age) children were classified with ADHD-I type and 15 normal children were matched for age, sex, and IQ. They were selected trough simple r...

Put options are commonly used in the stock market to protect against the decline of the price of a stock below a specified price. On the other hand, finite difference approach is a well-known and well-resulted numerical scheme for financial differential equations. As such in this work, a new spatial discretization based on finite difference semi-discretization procedure with high order of accur...

iran is one of the world's arid regions and exposed to dust particles in the air. this is important in spatial and temporal terms as well as the affects human health. in this paper a day when due to the amount of dust particles visibility reduces to 5,000 m is considered the dusty day. in the spatial and temporal analysis of dusty days 38 synoptic stations were studied. in order to conduct data...