Province;
Key;
Laboratory;
of;
Papermaking;
technology;
&;
Specialty;
Paper,;
Shaanxi;
University;
of;
Science;
&;
Technology,Xi'an;
710021,;
Shaanxi,;
China;
Research;
Assistant;
Shaanxi;
University;
of;
Science;
&;
Technology,;
Xi;
'an;
710021,;
Shaanxi,;
China;