[1] Yan Liu, Pengyan District, Wang Weiqiang. Structural design of external mixing nozzle for preparing ultrafine particles by supercritical fluid technology. Advanced Materials Research, Vol. 236-238 (2011):1614 ~1618.

[2] Ada, Wang Weiqiang and Li Aiju. Design of nozzle for preparing ultrafine particles by RESS. Journal of Pressure Equipment and System, 2004,2 (1): 30 ~ 34.

Yan Liu, Wang Weiqiang, Li Aiju. Preparation of ultrafine materials by supercritical fluid technology. Chemical Engineering, 2004, 32 (5): 44 ~ 49.

Yan Liu, Wang Weiqiang, Li Aiju. Application of supercritical fluid technology in preparation of ultrafine materials. Chemical engineering, 2004, 32 (6): 47 ~ 5 1.

[5],, Xiao Kefeng. Design of double-channel nozzle for preparing ultrafine particles by SEDS method. Super Green 2004.

Yan Liu, Wang Weiqiang. Preparation of drug particles by supercritical fluid recrystallization. Progress of chemical industry, 2007,26 (3) 377 ~ 380.

, Wang Weiqiang, Qu,. Flow process model of ultrafine particle preparation. RESS process. Journal of Shandong University (Engineering Edition), 2007,37 (4): 45 ~ 49.

Yan Liu, Qu, et al. Structure design of nozzle for preparing ultrafine powder by supercritical fluid technology. China Powder Industry, 2008, (4): 18-22.

[9] Liu Qi, Wang Weiqiang. Fault tree analysis of seal failure of high pressure ammonium carbamate pump. Proceedings of the 3rd World Conference on Engineering Asset Management and Intelligent Maintenance System. 2008, 10, Beijing, China.

[10] Chen,,,, et al. dimensionless design method for pressure vessels. Pressure vessel, 22, 2005 (11): 24-27.

[1 1] Xu Xiaodong, Yan Liu, Wang Weiqiang, etc. dimensionless design method of pressure vessels and its application (1). Journal of Shandong University (Engineering Edition), 2009,39 (6): 97-100.

[12] Xu Xiaodong, Yan Liu, Wang Weiqiang, etc. dimensionless design method of pressure vessel and its application (2). Journal of Shandong University (Engineering Edition), 2009,39 (6):10/-104.

Wang Weiqiang, Yan Liu, Xiao Kefeng. External mixing nozzle for preparing nano-micron materials in supercritical fluid. Authorized invention patent number: ZL 200510042541.1.

Wang Weiqiang, Yan Liu, Xiao Kefeng. Nozzle for preparing nano-micron materials by mixing supercritical fluid internally. Authorized invention patent number: ZL 2005 10042540.7.

[15],, Cui, Supercritical fluid continuous extraction device. Authorized invention patent number: ZL 2004 10036423.5.

[16],,, Cui et al. High pressure and ultra-high pressure continuous solid material extraction and sterilization device. Authorized invention patent number: ZL2005 10042542.6.

Wang Weiqiang, Yan Liu, Li Aiju, Xiao Kefeng. Nozzle for prepare nano-micron materials with internal and external mix supercritical fluid. Authorized invention patent number: ZL 2005 10043476.4.

[18],,. Combined nozzle for preparing supercritical fluid nano-micron materials. Authorized invention patent number: ZL2006 10045286.0.