Vol. 15 No. 4 (2022)

Research articles

• Applications of periodic structures and metamaterials for antenna design

  Péter Prukner, Miklós Kuczmann

  188-192

  • pdf

• Improvement of mechanical properties of recycled PET by reactive toughening and post-crystallization

  Emese Slezák, Ferenc Ronkay, Katalin Bordácsné Bocz

  193-198

  • pdf

• Parametric analysis of the stress-strain state for the unsupported and supported horizontal underground workings

  Oleksii Tiutkin, Nataliia Bondarenko

  199-206

  • pdf

• Numerical Investigation of the Effect Dimensions of Rectangular Sedimentation Tanks on Its Hydraulic Efficiency Using Flow-3D Software

  Mohammad Javadi Rad; Pedram Eshaghieh Firoozabadi, Fatemeh Rostami

  207-220

  • pdf

• A grading method for analyzing internal erosion processes of nano-silica improved sand

  Mayao Cheng, Yang Zeng, Linsheng Chen, Hong Yang

  221-231

  • pdf

• The effect of coupling agent on the mechanical properties of injection molded polypropylene/wheat straw composites

  László Lendvai, Amar Patnaik

  232-238

  • pdf