This newly invented ultra-strong steel is a new type of steel with ultra-high strength and good ductility with low price and easy manufacturing. It can be served as an alternative material in automotive and aerospace industries with high demand for lightweight and energy-efficient. It's ready fo.....[更多]
This is an unique method for the identification and quantification of the SARS-CoV-2 in sewage sample for the use in surveillance of seage for SARS-CoV-2.[更多]
