Urban open data is the key to the construction of smart city. Through the research on evaluation of urban open data, the concept, types, characteristics and oth
In this work, we investigate the performance of InGaAs p-i-n photodetectors with cut-off wavelengths near 2.6 μm. The influences of different substrate materia
New methodology of designing the differential pressure flow meters for fluid energy carriers is developed in order to provide minimum uncertainty of results of