THE INFLUENCE OF SILICA-COATED NANOSCALE TITANIUM DIOXIDE ON THE MICROSTRUCTURE, MECHANICAL PROPERTIES, AND CARBONATION RESISTANCE OF CEMENTITIOUS MATERIALS

The influence of silica-coated nanoscale titanium dioxide on the microstructure, mechanical properties, and carbonation resistance of cementitious materials

Nanomaterials possess great application prospects in improving the performance of cementitious materials.However, their high agglomeration hinders their efficient utilization in cementitious matrices.Consequently, surface modification has recently attracted attention as a method to enhance dispersibility.In this study, silica was employed to modify

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FO Model Checking of Interval Graphs

We study the computational complexity of the FO model checking problem on interval graphs, i.e., intersection graphs of intervals on the real line.The main positive result is that FO model checking and successor-invariant FO model checking salamander chameleon can be solved in time O(n log n) for n-vertex interval graphs with representations contai

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