Background: The motions of body and tumor in some regions such as chest during radiotherapy treatments are one of the major concerns protecting normal tissues against high doses. By using real-time radiotherapy technique, it is possible to increase the accuracy of delivered dose to the tumor region by means of tracing markers on the body of patients.Objective: This study evaluates the accuracy ...

in order to investigate the effects of input intensity on species diversity, composition and density of weeds in corn (zea mays l.), an experiment was conducted based on a randomized complete block design with three replications at the agricultural research station, ferdowsi university of mashhad, iran during the year 2009. treatments included low input, medium input and high input systems. low...

The development of the energy industry in a developing country Asia is undergoing transition process from oil and gas to electrical renewable energy. Based on Government data, share will decrease current 32% 20% 2050, this line with increase penetration electrification other diversification. However, demand for continue significantly due population. PTM, an company country, one its refineries s...

team network structure has been shown to be an important determinant of both team and individual performance outcomes, yet few studies have investigated the relationship between team network structure and technology usage behaviors. Drawing from social network and technology use literature, we examine how the structure 10 MAgNI, ANgSt, AND AgArWAl of a team’s advice-seeking network affects indi...

Although research on wearable computing is in fashion, few researches pay attentions on interface of wearable computers. This paper presents “Hand-Menu” System”, an innovative input interface suitable for wearable computers, utilizing augmented realty techniques. Users can handle wearable computers by clicking a menu activated simply activated with exposed hand with another hand. As Hand-Menu i...

We present a controlled, quantitative study with 12 participants comparing interaction with a haptically enhanced mixing board against interaction with a mouse in an abstract task that is motivated by several practical parameter space exploration settings. The study participants received 24 sets of one to eight integer values between 0 and 127, which they had to match by making adjustments with...

This paper analyzes the choice between different external technology sourcing activities of a firm. On one hand, the firm can acquire new technology which is embodied in personnel. On the other hand, the firm can obtain new technology disembodied through a licensing agreement or by outsourcing the technology development from an R&D contractor. Building on Cassiman and Veugelers (2006), we test ...