求翻译：Wang等是第一个利用膜乳化技术制备尺寸均一的壳聚糖微球，其微球用作牛血清白蛋白(BSA)蛋白质药物的载体，并研究了微球的体外释放度、pH值、粒径、交联度和BSA的浓度等因素对微球负载率和释放行为的影响。是什么意思？

Wang et al is the first use of membrane emulsification technology to prepare a uniform size of chitosan microspheres, the microspheres as bovine serum albumin (BSA) carrier protein drugs and to study the in vitro release microspheres, pH, particle diameter, degree of crosslinking and BSA concentrati

Such was the first Wang using membrane emulsification technology to prepare size of chitosan micro-ball, and its micro-ball used as a cattle serum albumin (BSA) carriers of protein drugs, and study of the micro-ball outside of the body, release pH value, particle size, to the degree of concentration

Wang and so on is the first use membrane emulsification technology preparation size homogeneous shell polyose microballoons, its microballoons serve as the ox blood pure protein (BSA) protein medicine the carrier, and has studied the microballoons, the pH value, the particle size, the degree of cros

Wang was first prepared by using membrane emulsification technique dimension homogeneous Chitosan microspheres, microspheres for bovine serum albumin (BSA) protein drug carrier, and the research of microspheres in vitro release rate, pH value, the size of xlpe and BSA high density load rate and othe

Wang was first prepared by using membrane emulsification technique dimension homogeneous Chitosan microspheres, microspheres for bovine serum albumin (BSA) protein drug carrier, and the research of microspheres in vitro release rate, pH value, the size of xlpe and BSA high density load rate and othe