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A finite element model of a long-span S-shape curved continuous rigid-frame bridge with high piers is established. Structural dynamic response under different seismic excitation angles and multi-support excitation is calculated and analyzed. The results indicate that seismic excitation angle and multi-support excitation have significant effects on the structural response. When the apparent wave velocity...
Based on the theory of fuzzy mathematics, a fuzzy comprehensive expert system is built for assessing the damage of the in-service bridges. In addition to the bridge damage factors of the conventional methods, bridge service life and loads change are considered in the expert system. The Analysis Hierarchy Process (AHP) is used to determine the weight of different index factors. The feasibility and...
By proteomic analysis, we found a rhodanese-like protein(RhdA) from Acidithiobacillus ferrooxidans ATCC 23270 whose C-terminal contained a cysteine motif (Cys-XX-Trp-XX-Cys), known to bind iron–sulfur clusters. But so far, there were no articles to confirm the existence of iron–sulfur cluster in RhdA. In this study, RhdA gene from A. ferrooxidans ATCC 23270 was cloned and expressed in Escherichia coli...
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