Chinese village-city migration in the period from 1949 to the presentFomenko A. V.
Chinese village-city migration in the period from 1949 to the present
Theoretical and Experimental Researches of Spring Damping Flexural Oscillations for Beam Structures with large spans of tube showed
a real risk of wind resonance for cylindrical tube structures (aeroelastic
Fist oxidovanadium complexes containing chiral derivatives of dihydrophenanthroline and diazafluorene ] and [V IV O(L1/L2)(CH 3 CN)Cl 2 ] (
I, II) which were characterized by elemental analysis, IR spectroscopy