This paper aims at explaining how intermediaries influence collaborative innovation projects, suggesting a conceptual-theoretical framework about intermediaries’ roles and practices. The qualitative research was developed through the case study of the Orange Service Call and Reward project performed by the National Endowment for Science, Technology and the Arts (NESTA) for Orange Labs, the R&D ...

Tepe Sagzabad, a site situated on the Qazvin Plain of north-central Iran, was excavated from 1970 to 1998 by the Institute ofArchaeology of Tehran University. Recent excavations by H. Tala’i (1997-1999) yielded some metal artifacts dating to theEarly Iron Age. Ten of these copper-based samples were investigated using inductively coupled plasma optical emissionspectroscopy (ICP-OES), scanning el...

In mines rescue operations two main types of self-contained breathing apparatus are used by men working in irrespirable atmospheres. One of these types of apparatus uses compressed oxygen and the other liquid air as the source of oxygensupply for the wearer. Each type of apparatus has its own distinct advantages in use, and these advantages have long been recognized. The present investigation d...

Usually, tool steels are used in quenched and tempered conditions. Due to the phase transition from austenite martensite volume change during transformation, controlling distortion might be challenging. A newly developed steel focusing on a bainitic structure, even for bigger dimensions, shows lower hardness at ambient temperature than conventional hot working but with dependency. Therefore, se...