1 Table of Contents: “...Psychological stress and mental health among seafarers -- Real Time Face-Mask Detection...”

2 Table of Contents: “... in Combination with One Time Password -- Application of Noise Reduction Techniques to Improve Speaker...”

3 Table of Contents: “... Networks -- Chapter 18. Electronic Beam Steering in Timed Antenna Array by Controlling the Harmonic...”

4 “... and industrialized research and the conversion of applied exploration into real-time applications...”

5 “... and industrialized research and the conversion of applied exploration into real-time applications...”

6 “... and industrialized research and the conversion of applied exploration into real-time applications...”