Zobrazeno 1 - 3
of 3
pro vyhledávání: '"Guohong Cheng"'
Publikováno v:
Journal of Nanoparticle Research. 23
Publikováno v:
Mathematical Problems in Engineering, Vol 2021 (2021)
This study adopted smart card data collected from metro systems to identify city centers and illustrate how city centers interacted with other regions. A case study of Xi’an, China, was given. Specifically, inflow and outflow patterns of metro pass
Publikováno v:
Journal of Nanoparticle Research. 22
For two commonly used modified emulsified asphalts, styrene butadiene rubber (SBR) and styrene butadiene styrene (SBS), direct heating and low-temperature evaporation methods were respectively applied to obtain the asphaltic residues. Nanotechnology