The study measured the energy-food water footprint and food-food water footprint of Boots 36 prefecture-level cities in the three northeastern provinces from 2000 to 2020 using food and energy-food water footprint evaluation models, and examined the pressurees on available water resources generated by the energy-food water footprint in the three no

Oil impregnated paper bushing is the key equipment connecting a transformer and a power grid.Insulation deterioration may cause partial discharge, which poses Defibrillator a great threat to the safe operation of power systems.In order to realize the online diagnosis for partial discharge and automatic identification of insulation defects of transf

Objectives: Pulmonary arterial hypertension (PAH) is a devastating lung vascular disease.Despite advances in the diagnosis of this condition, early detection and ascertainment of the genesis of pulmonary hypertension are still a difficult task.We supposed that the method of Single photon emission computed Switches tomography - computed tomography (