通过再参数化PC-SAFT状态方程,建立了丙烯-氢气-聚丙烯体系各组分物性的计算方法。以文献数据为基准,利用Polym er P lus软件平台,分别得到了丙烯、氢气、聚丙烯纯组分的PC-SAFT方程的模型参数,包括链段数m、链段直径σ、能量参数ε/kB...通过再参数化PC-SAFT状态方程,建立了丙烯-氢气-聚丙烯体系各组分物性的计算方法。以文献数据为基准,利用Polym er P lus软件平台,分别得到了丙烯、氢气、聚丙烯纯组分的PC-SAFT方程的模型参数,包括链段数m、链段直径σ、能量参数ε/kB以及丙烯-氢气两组分相平衡的二元交互参数kij。结果表明,采用再参数化的PC-SAFT状态方程计算丙烯、氢气热力学性质的精度优于经典的Peng-Rob inson方程。展开更多
A polymerized liposome （PLS） was prepared using a synthesized phospholipid with a diacetylene moiety.The precipitable property of the PLS on salt additions,ligand immobilization,affinity adsorption kinetics and adso...A polymerized liposome （PLS） was prepared using a synthesized phospholipid with a diacetylene moiety.The precipitable property of the PLS on salt additions,ligand immobilization,affinity adsorption kinetics and adsorption isotherms were studied.Trypsin was purified by affinity precipitation from a crude pancreatic extract.The specific activity reached about 13000 U.mg－1. These results indicate that the PLS is a potential ligand carrier for affinity precipitation of proteins.展开更多
文摘通过再参数化PC-SAFT状态方程,建立了丙烯-氢气-聚丙烯体系各组分物性的计算方法。以文献数据为基准,利用Polym er P lus软件平台,分别得到了丙烯、氢气、聚丙烯纯组分的PC-SAFT方程的模型参数,包括链段数m、链段直径σ、能量参数ε/kB以及丙烯-氢气两组分相平衡的二元交互参数kij。结果表明,采用再参数化的PC-SAFT状态方程计算丙烯、氢气热力学性质的精度优于经典的Peng-Rob inson方程。
文摘A polymerized liposome （PLS） was prepared using a synthesized phospholipid with a diacetylene moiety.The precipitable property of the PLS on salt additions,ligand immobilization,affinity adsorption kinetics and adsorption isotherms were studied.Trypsin was purified by affinity precipitation from a crude pancreatic extract.The specific activity reached about 13000 U.mg－1. These results indicate that the PLS is a potential ligand carrier for affinity precipitation of proteins.
