0	0.09703	load stress concrete model material results analysis force 
1	0.08465	materials strength properties surface samples material concrete water 
2	0.07776	energy plasma data optical x-ray time acta polytechnica 
3	0.08185	heat temperature flow air energy gas false water 
4	0.05698	quantum equation let phys case algebra theory space 
5	0.15753	design data system czech time technical process systems 
6	0.11184	system signal power using method frequency data image 
7	0.18263	model time equation method flow system numerical solution