Kouxian,or ancient jaw harp,is the earliest string instrument that has been found in China.By placing kouxian between the lips and tapping it with the fingers,the instrument can produce sounds,such as singing birds or...
supported by the National Key Research and Development Program of China (Grant No. 2017YFA0304203);the National Natural Science Foundation of China (Grant Nos. 12034012 and 12074234);the Changjiang Scholars and Innovative Research Team in University of Ministry of Education of China (PCSIRT) (Grant No. IRT 17R70);the Fund for Shanxi 1331 Project Key Subjects Construction;111 Project (Grant No. D18001)
Ultracold atoms trapped in optical superlattices provide a simple platform for realizing the seminal Aubry–André–Harper(AAH)model.However,this model ignores the periodic modulations on the nearest-neighbor hoppings...
This study was supported by the National Natural Science Foundation of China(Grant Nos.21978203 and 21676183).
An improved matrix method for generating distillation configurations with(N-1)and less than(N-1)columns was proposed for the separation of an N-component mixture into essentially pure product streams based on the conc...
Augusta Savage’s“Lift Every Voice and Sing”is discussed as a composite work showing influences from ancient Egyptian musical instruments,surrealism,August Rodin,and ancient Egyptian funerary and devotional sculptur...