With the growingly serious energy crisis and the dramatically increasing greenhouse gas emission worldwide, thermal energy storage has been attracting extensive attention for its application in re-regeneration energy, which provides a perfect solution to coordinate the mismatch between energy supply and demand.Organic phase change materials are the
In order to analyze the dynamic fracture responses of surrounding rocks in underground space to cyclic impact loads, a series of dynamic compressive tests were conducted using hollow cylindrical and intact sandstone specimens under confining pressures corresponding to 5, 10, and 12 MPa, and the hollow cylindrical sandstone were subject to radial gr
Abstract Previous studies have shown that the threat level posed by a predator can vary with physical features.In this study, we tested whether the wing posture of a raptor could serve as a clue click here for bird threat assessment.We observed the behavioral response of Japanese tits Parus minor to taxidermy dummies Eurasian sparrowhawks Accipiter