The displacement fling-step pulse seldom signatures Flywheel W/ Bracket Bearing near-field earthquake in its ground motions.It is well recognized that the near-field ground motion with velocity pulse amplifies the building drift larger than the regular ground motion.Recent findings explain that the building experiences minor damage to collapse is n
BackgroundThe coronavirus disease (COVID-19) outbreak in China was first reported to the World Health Organization (WHO) on December 31, 2019, and the first cases were officially identified around December 8, 2019.Although the origin of COVID-19 has not been confirmed, approximately half of the early cases were linked to a seafood market in Wuhan.H
With the increase in population aging, the tendency of osteochondral injury will be accelerated, and repairing materials are increasingly needed for the optimization of the regenerative processes in bone and cartilage recovery.The local environment of the injury sites and the deficiency of Mg2+ retards the repairing period via inhibiting the progen