background :  nosocomial infections are considered as health issues that affect developed and poor countries. these infections can be transmitted to patients through hospital environment and equipments. the aim of this study was to evaluate the prevalence of gram-negative bacilli in the environment and the equipments of hospitals in the east of golestan province in 2015.  methods :  in this stu...

In order to Investigate the knowledge and usage of personal protective equipments with 290 workers interviewed who were employed in 200 welding shops in Kerman. The data were recorded in a questionnaire. The results showed that in respect to personal protective equipments  31.4℅ had low knowledge, 50.3℅ medium knowledge and 18.3℅ good knowledge. Hand shieldwelding , safety goggles, clothes and ...

Educational institutions are increasingly exploring the affordances of 3D virtual worlds for instruction and research, but few studies have been done to document current practices and uses of this emerging technology. This observational survey examines the virtual presences of 170 accredited educational institutions found in one such 3D virtual world called Second Life®, created by SanFrancisco...

Current mobile devices, and mobile phones in particular, are equipped with different wireless technologies that increase and diversify their communication capabilities. The combined and effective use of these technologies offers various opportunities in terms of services and applications. However, it requires detailed analysis in terms of security and choice of the communication mean to use acc...

students’ social life in all formal and informal spaces of the faculty can greatly influence their learning process. these interactions are more regarded through training design as a social art which is involved to others from the very beginning such as understanding the problem to final steps and implementation. an issue which is important before interactions through educational structure of a...

This paper describes an error detection mechanism which helps in validation of dependency treebank annotation. Consistency in treebank annotation is a must for making data as errorfree as possible and for assuring the usefulness of treebank. This work is aimed at ensuring this consistency and to make the task of validation cost effective by detecting major errors induced during completely manua...