the importance of iranian ancient as architectural heritage have to competent international prestige a nd respect due this is important with regard to proper conservation met hods based on non-destructive evaluation methods and non-contact testing providing enough accuracy and speed to bri ng performance to stabilize while correct location and age value of valuable architectural aspect of quant...

A usability evaluation was performed on four drywall sanding tools and redesign specifications were developed for one, to improve the human-tool interface of the sander that provides the greatest control of drywall dust, a known respiratory health hazard. Sixteen novice participants performed simulated drywall-finishing tasks with each of the four tools: block, ventilated, pole, and wet sponge ...

Introduction: Phantom studies facilitate the implementation of radiation dose surveillance as a function of radiographic technical parameters for minimizing patient radiation dose. The evidence of such investigations can then be used to evaluate technical parameters used in the radiographic procedures to reduce radiation dose without compromising the image quality. Material and Methods: This ex...