Ning Qian

Single-Layer Brazed Cubic Boro

Single-Layer Brazed Cubic Boron Nitride Abrasive Tools

2024

Sheng ren

Sheng ren

2004

Jidu jiao yu shao shu min zu she hui wen hua bian qian

1998

Liu xue mei guo

1997

Qian Ning lun wen ji

Qian Ning lun wen ji

1990