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Impurities from the raw materials, the grinding and the homogenization of the raw materials, the kiln instability and the complexity of the cooling step, all these factors make it difficult to obtain a perfect evaluation of the mineralogical composition of Portland clinker. We studied the limitations of the most commonly used quantitative methods and recommend some procedures to obtain reliable and...
Alsat-1 was initially a know how transfer program. It was to allow to 11 young engineers acquiring knowledge by the active participation in all Alsat-1 project phases. Two options were suggested to us: Carry out a traditional micro-satellite of the UoSat family having a proven reliability but with limited characteristics. All the modules were in this case already designed. Or, to choose...
Growth of elderly population induces the increasing demands for high-quality healthcare services, wireless body area networks (WBANs) has emerged as a promising solution for monitoring of patients vital life signs parameters. Reliability and extending the lifetime are considered amongst the important and challenging issues in WBANs. The standard IEEE 802.15.4 is considered as the most used MAC protocol...
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