Chemical looping water splitting systems operate at relatively high temperatures (450–800 °C) to produce, purify, or store hydrogen by the cyclic reduction and oxidation (redox) of a solid oxygen carrier. Therefore, improve long-term operation, it is necessary develop highly stable carriers with large specific surface areas. In this work, interconnected doped Fe2O3 foams are fabricated through ...

Many natural materials demonstrate ideal design inspirations for the development of lightweight composite with excellent damage tolerance. One notable example is layered architecture nacre, which possesses toughness an order magnitude higher than its constituent parts. Man-made nacre-like ceramic/polymer composites obtained through direct infiltration polymer in ceramic scaffolds have been show...

A new opacity correction approach for oversampled volume ray casting is introduced. While the only existing opacity correction method in the literature is based on the assumption of dataset homogeneity, the new opacity correction method introduced in this paper is a faster, generalized voxel-by-voxel approach which does not assume dataset homogeneity. The new opacity correction avoids the datas...

in order to investigate the flexural behaviors of rc beams after freeze-thaw cycles, compressive strength test of concrete cubes after 0, 50, 100, 125 freeze-thaw cycles were made, and static flexural experiment of 48 rc beams after 0, 50, 100, 125 freeze-thaw cycles were made. the relationships of relative compressive strength, mass loss rate, relative dynamic elastic modulus and numbers of fr...