Research on Multiobjective Location of Urban Emergency Logistics under Major Emergencies

Table 2

Locations and demand of material demand points.

Material demand point	Geographic coordinate	Weight	Material demand quantity
Beijing	(39.55, 116.24)	0.196	59300
Tianjin	(39.02, 117.12)	0.142	19000
Shijiazhuang	(38.02, 114.30)	0.095	2900
Tangshan	(39.36, 118.11)	0.072	5800
Qinhuangdao	(39.55, 119.35)	0.029	1000
Handan	(36.36, 114.28)	0.087	3200
Xingtai	(37.04, 114.30)	0.067	2300
Baoding	(38.51, 115.30)	0.086	3200
Zhangjiakou	(40.48, 114.53)	0.04	4100
Chengde	(40.59, 117.57)	0.033	700
Cangzhou	(38.18, 116.52)	0.069	4800
Langfang	(39.31, 116.42)	0.044	3000
Hengshui	(37.44, 115.42)	0.04	800