Critical Nodes Identification of Scientific Achievement Commercialization Network under k-Core

Table 1

The k-core of each node of coupling four layers.

Province	k-core	Province	k-core
Beijing	2	Henan	2
Tianjin	2	Hubei	2
Hebei	2	Hunan	2
Shanxi	2	Guangdong	4
Neimenggu	2	Guangxi	2
Liaoning	2	Hainan	2
Jilin	2	Chongqing	2
Heilongjiang	2	Sichuan	2
Shanghai	2	Guizhou	2
Jiangsu	4	Yunan	2
Zhejiang	4	Xizang	2
Anhui	2	Shaanxi	2
Fujian	3	Gansu	2
Jiangxi	2	Qinghai	2
Shandong	2	Ningxia	2