background: this study aimed to design a new mouse and evaluate some of its functional parameters. the prototype of an ergonomic mouse was made according to design principles. methods: the study was conducted from 2011 to 2013 in the department of ergonomics in shiraz university of medical science. functional parameters including movement time (mt) and error rate of the new mouse were evaluated...

The development of information technology has changed the mode communication social information, and this change put forward new requirements on contents, methods even objects science research. Knowledge service in process can extract knowledge content from various explicit implicit resources according to people’s needs, build networks, provide or solutions for users’ problems. Hence, it is ver...

Abstract The traditional gas flow standard facility can only carry out single station detection, so it is urgent to solve the problem of improving work efficiency. In this paper, existing facilities and related technologies are studied in depth, especially for same specifications, batch detection table, design double continuous type facilities. Its main features are: according need flexibly cho...