Abstract: Based on Mach-Zehnder interference (MZI) principle, we propose a balloon-like optical fiber micro-liquid-level sensor and verify its performance through experiments. The sensor can ...
A new study of ancient and modern societies shows that human populations need at least 2.7 children per woman – a much higher fertility rate than previously believed – to reliably avoid long-term ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback