Determining the optimal vehicle routing of emergency material distribution (VREMD) is one
of the core issues of emergency management, which is strategically important to improve the …

Extenics has unique advantages in solving contradictions by using formal models to explore
the possibility of expanding things and the laws and methods of development and …

Aiming at the problem of metro operation and passenger transport organization under the
impact of the novel coronavirus (COVID-19), a collaborative determination method of train …

Abstract In 2020, the COVID‐19 pandemic and its rapid spread shook health authorities
worldwide at the regional and national levels. Healthcare systems had difficulty acquiring …

Many supply chains have been disrupted due to the outbreak of COVID-19, especially the
cold chain that requires more conditions to operate and is facing more challenges. This …

When a public health event occurs, it is very difficult to guarantee a stable supply of
emergency medical supplies; this has a great impact on the efficiency of emergency rescue …

In recent years, epidemic disasters broke through frequently around the world, posing a
huge threat to economic and social development, as well as human health. A fair and …

In 2020, the COVID-19 pandemic and its rapid spread shook health authorities worldwide at
the regional and national levels. Healthcare systems had difficulty acquiring important …

In recent years, with the continuous improvement of the living standards of Chinese
residents and the deepening of their awareness of food safety, the quality and safety of fresh …

The prevalence of the pandemic (COVID-19) and the government measures taken in
response to the spread of the virus have a significant impact on the delivery of vital products …