在综述动态能力理论(Dynam ic Capab ilities V iew,DCV)和信息系统(Inform ation System s,IS)/IT能力研究发展的基础上,提出了IS对于企业竞争优势的影响(IS-DCV)模型,认为IS主要是通过管理过程对企业产生影响,并通过案例的方式论述了...在综述动态能力理论(Dynam ic Capab ilities V iew,DCV)和信息系统(Inform ation System s,IS)/IT能力研究发展的基础上,提出了IS对于企业竞争优势的影响(IS-DCV)模型,认为IS主要是通过管理过程对企业产生影响,并通过案例的方式论述了模型的合理性。展开更多
Abstract A cylindrical pore model was used to represent approximately the pore of β-zeolite catalyst that had been used in the alkylation of benzene with ethylene and spherical Lennard-Jones molecules represented the...Abstract A cylindrical pore model was used to represent approximately the pore of β-zeolite catalyst that had been used in the alkylation of benzene with ethylene and spherical Lennard-Jones molecules represented the components of the reaction system-ethylene, benzene and ethylbenzene. The dual control volume-grand canonical molecular dynamics (DCV-GCMD) method was used to simulate the adsorption and transport properties of three components under reaction in the cylindrical pore at 250℃ and 270℃ in the pressure range from 1 MPa to 8 MPa. The state map of the reactant mixture in the bulk phase could be divided into several different regions around its critical points. The simulated adsorption and transport properties in the pore were compared between the different near-critical regions. The thorough analysis suggested that the high pressure liquid region is the most suitable region for the alkylation reaction of benzene under the near-critical condition.展开更多
β spectrin is a major component of the membrane skeleton, a structure found at the plasma membrane of most animal cells. In C. elegans, the genome encodes only one
文摘在综述动态能力理论(Dynam ic Capab ilities V iew,DCV)和信息系统(Inform ation System s,IS)/IT能力研究发展的基础上,提出了IS对于企业竞争优势的影响(IS-DCV)模型,认为IS主要是通过管理过程对企业产生影响,并通过案例的方式论述了模型的合理性。
基金Supported by the National Natural Science Foundation of China (No. 20236010) E-institute of Shanghai High Institution Grid (No. 200303).
文摘Abstract A cylindrical pore model was used to represent approximately the pore of β-zeolite catalyst that had been used in the alkylation of benzene with ethylene and spherical Lennard-Jones molecules represented the components of the reaction system-ethylene, benzene and ethylbenzene. The dual control volume-grand canonical molecular dynamics (DCV-GCMD) method was used to simulate the adsorption and transport properties of three components under reaction in the cylindrical pore at 250℃ and 270℃ in the pressure range from 1 MPa to 8 MPa. The state map of the reactant mixture in the bulk phase could be divided into several different regions around its critical points. The simulated adsorption and transport properties in the pore were compared between the different near-critical regions. The thorough analysis suggested that the high pressure liquid region is the most suitable region for the alkylation reaction of benzene under the near-critical condition.
文摘DCV行李处理系统在枢纽机场的运用,在提高旅客托运行李通行能力的同时,通过优化调度管理,加速了建设高效、节能环保机场的步伐DCV（Destination coded vehicle）行李处理系统也简称作DCV系统,主要承担着高速输送远机位F类机型旅客行李的任务。D C V系统具有柔性、自动化程度高、输送速度快、节能环保等特点。该系统内的行李输送的时速可高达40公里/小时,
文摘β spectrin is a major component of the membrane skeleton, a structure found at the plasma membrane of most animal cells. In C. elegans, the genome encodes only one
