Drought is one of the most important weather-induced phenomena which may have severe impacts on different areas such as agriculture, economy, energy production, and society. A number of drought indices have been introduced and used in various countries to date. In the current study, four meteorological drought indices including Percent of Normal Precipitation Index (PNPI), Standard Index of Ann...

The possibility of increasing the durability coatings based on lime dry construction mix by introducing an additive containing synthetic aluminosilicates is substantiated. regularities structure formation composite in presence aluminosilicates, which additionally consists a calcium–sodium hydrosilicates and minerals zeolite group, increase amount chemically bound 8.74%, are revealed. X-ray diff...

The normal operation of the transformer is an important guarantee for safe whole power network. Usually, periodic maintenance work increases workload and personnel. In this paper, intelligent predictive system dry-type based on vibration proposed to monitor state transformer. fractional-order Kalman filter normalization method are used preprocess data reduce noise interference, then fault class...