Membranes are more mosaic than fluid

The wealth of new data on membrane protein structures and functions is changing our general view of membrane architecture. Some of the key themes that are emerging are that membranes are patchy, with segregated regions of structure and function, that lipid regions vary in thickness and composition, and that crowding and ectodomains limit exposure of lipid to the adjacent aqueous regions.     

公关人员的社会行为失范分析

随着社会经济的发展，公关人员作为一种职业受到企业和公司的青睐，但是目前公关人员的社会行为还存在着失范的现象，一方面是公关人员的庸俗思想；另一方面公关人员的“双边人”的角色存在着对立。本文从韦伯的社会行动类型理论出发，对公关人员的失范行为进行工具理性和价值理性的分析。