The spectral theory of graph is an important branch of graph theory,and the main part of this theory is the connection between the spectral properties and the s
This paper mainly focuses on the simulation and experimental study of the reliability of the solid rocket nozzle cover.The test-bed is designed according to the
A novel composite carrier of folic acid(FA)-polyethyleneimine(PEI)-ethosome(Eth)(FA-PEI-Eth)was developed for the treatment of cancers through loading and targe