2024, Volume 9
2023, Volume 8
2022, Volume 7
2021, Volume 6
2020, Volume 5
2019, Volume 4
2018, Volume 3
2017, Volume 2
2016, Volume 1
An Integrated One-step Equation for Solving Duct/Pipe Friction Loss by Hand Calculator
Collaboration Robots as Digital Doubles of Person for Communication in Public Life and Space