Two liquid crystal monomers,cholesteryl 10\|undecylenate (M1), and cholesteryl 4\|(10\|undecylenoyloxy)\|benzoate(M2),and their respective side\|chain liquid crystal homopolymers (P1,P2) were synthesized.Their liquid ...Two liquid crystal monomers,cholesteryl 10\|undecylenate (M1), and cholesteryl 4\|(10\|undecylenoyloxy)\|benzoate(M2),and their respective side\|chain liquid crystal homopolymers (P1,P2) were synthesized.Their liquid crystal properties were characterized by POM and DSC method.M1 could form sematic liquid crystal and cholesteric liquid crystal,while M2\|only cholesteric liquid crystal.The Polymers,P1 and P2,exhibited sematic liquid crystal behavior.The results also indicated that,because of the structure of 1,4\|COO\|Ar\|COO\|in M2 and P2,the isotropization tempretures of the liquid crystalline M2 and P2 were higher than those of M1 and P1,respectively,and the temprature range of LC phases of M2 was also wider than that of M1.Homopolymer P1,was applied in the capillary column gas chromatography as a novel stationary phase and showed ideal separating selectivity.A mixture of anthracene,phenanthrene and acenaphene and a mixture of dichlorobenzene isomers were well separated.展开更多
浮式生产储存船(Floating Production Storage and Offloading,FPSO)与运输船进行旁靠作业时,存在两船体的运动与液舱晃荡的耦合效应.文中基于法国船级社(BV)的三维线性频域水动力分析软件Hydro STAR,首先对一艘FPSO进行了波浪中的运动...浮式生产储存船(Floating Production Storage and Offloading,FPSO)与运输船进行旁靠作业时,存在两船体的运动与液舱晃荡的耦合效应.文中基于法国船级社(BV)的三维线性频域水动力分析软件Hydro STAR,首先对一艘FPSO进行了波浪中的运动响应计算,通过与试验结果对比,验证了数值模型和计算方法的有效性.然后计算分析了液舱不同载液率及FPSO与运输船旁靠这两个因素对耦合运动响应的影响.结果表明:旁靠时两者间存在遮蔽效应,且FPSO和运输船的液舱载液率对彼此的运动响应均具有一定影响.展开更多
文摘Two liquid crystal monomers,cholesteryl 10\|undecylenate (M1), and cholesteryl 4\|(10\|undecylenoyloxy)\|benzoate(M2),and their respective side\|chain liquid crystal homopolymers (P1,P2) were synthesized.Their liquid crystal properties were characterized by POM and DSC method.M1 could form sematic liquid crystal and cholesteric liquid crystal,while M2\|only cholesteric liquid crystal.The Polymers,P1 and P2,exhibited sematic liquid crystal behavior.The results also indicated that,because of the structure of 1,4\|COO\|Ar\|COO\|in M2 and P2,the isotropization tempretures of the liquid crystalline M2 and P2 were higher than those of M1 and P1,respectively,and the temprature range of LC phases of M2 was also wider than that of M1.Homopolymer P1,was applied in the capillary column gas chromatography as a novel stationary phase and showed ideal separating selectivity.A mixture of anthracene,phenanthrene and acenaphene and a mixture of dichlorobenzene isomers were well separated.
文摘浮式生产储存船(Floating Production Storage and Offloading,FPSO)与运输船进行旁靠作业时,存在两船体的运动与液舱晃荡的耦合效应.文中基于法国船级社(BV)的三维线性频域水动力分析软件Hydro STAR,首先对一艘FPSO进行了波浪中的运动响应计算,通过与试验结果对比,验证了数值模型和计算方法的有效性.然后计算分析了液舱不同载液率及FPSO与运输船旁靠这两个因素对耦合运动响应的影响.结果表明:旁靠时两者间存在遮蔽效应,且FPSO和运输船的液舱载液率对彼此的运动响应均具有一定影响.