An ultrastructural study of the reversibility of the effects of hypoxia on human trophoblast maintained in organ culture.

Ultrastructural changes in normal human trophoblast maintained in hypoxic organ culture are described. Marked structural changes were noted even after hypoxia for 6 hr. These changes could be partly reversed by reoxygenation after hypoxia for 18 hr or less, but no regeneration occurred when hypoxia lasted for 24 hr or longer. The significance of the vulnerability of trophoblast to hypoxia is discussed.     

尊重斯德哥尔摩的历史中心—骑士岛的激活改造

瑞典国家财产委员会拥有骑士岛的所有权与管理权，并计划对该岛上所有的公共空间进行更新和开发，以提高其可达性与吸引力。该项目的核心是找到一种更新和修复岛屿的方法，从而在尊重历史价值的同时满足现代功能需求。对骑士岛南部的改造是岛上公共空间更新的第一部分。设计的关键条件是沿滨水区域创造可以供人步行与停坐的大面积空间，并在保持开放海港氛围的同时，对旧的道路铺装进行管理。设计者设计了一套灵活使用公共空间的综合解决方案，将开放空间与之前的码头一样，沿着水滨的形态进行布局。