The objectives of circularity are often focused on recycling, but combining use alternative building blocks such as bio-sourced ones for virgin materials with ability recycling seems to be a relevant challenge. Unfortunately, the volumes rather new bio-based plastics, Poly (lactide) (PLA), seem too low allow development chains in next years. Therefore, these bio-plastics not likely recycled at ...

objective: to determine the status of serum zinc in pregnant women in different gestational ages and correlation with socio-demographic and anthropometric factors in iranian women referring to prenatal care public health clinics . materials and methods: we analyzed the zinc concentrations in plasma samples obtained at different gestational ages from 961 women and recorded bmi at the first trime...

This article deals with income advantages derived from owner occupied housing (Imputed Rent, IR) and their impact on the personal income distribution. Following a brief description of different methods with which to calculate IR in household surveys, we conduct a cross-national comparative study based on micro-data from the British Household Panel Study (BHPS), the German Socio-Economic Panel (...

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Spatial data sharing mechanisms are an important asset to territorial communities. They help them understand and control their long term development. In this perspective, this paper suggests a novel approach of geodata appropriation processes based on diverse socio-cognitive theories. This approach suggests that the evolution of spatial data infrastructures from rough data exchange platforms to...

Research into the benefits of collaborative work on learning have shifted from questions regarding whether it promotes learning, to research into the conditions that promote learning and the identification of processes that make collaborative group settings particularly effective. In this symposium we will present findings from recent research into a number of socio-cognitive processes that hav...

The history of socio-technical interventions is intertwined with reports that interventions are successful in the short to medium term but over time organisations revert back to their previous practices. It is often reported that changes in senior management or politics result in an undermining of the legitimacy of the systemic principles used in the intervention and as a result the organisatio...