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Power Line Communications (PLC) technologies and systems use state-of-the-art technical solutions to provide communication means for Smart Grid applications. PRIME is one of those systems, with a comprehensive Physical and Media Access Control (MAC) Layer specification for CENELEC A-band, used today in Smart Metering deployments. PRIME systems have demonstrated to be capable of working in normal scenarios...
Low voltage power lines are attractive for communications in smart metering, but they are subject to many kinds of interferences. One important source of interference is the one which is synchronous with the power network frequency. This noise shares the mean periodicity with the mains, but it also usually has some sort of time drift or jitter that shifts the position and phase of the signal from...
Distribution transformers are found in secondary substations, and connect to three phase low voltage lines that deliver electricity to points of supply. Electricity customers are charged for their consumption based in the measurements registered in meters present at the point of supply. (PLC) signal injection in key element in PLC signal PRIME is a narrowband PLC band, used by utilities to Power Line...
We have developed and validated a new, rapid and reproducible HPLC method for the determination of cefepime and ceftazidime in plasma and dialysate-ultrafiltrate samples obtained from intensive care unit (ICU) patients undergoing continuous veno-venous hemodiafiltration (CVVHDF). The method for plasma samples involved protein precipitation with acetonitrile, followed by washing with dichloromethane...
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