Abstract: AbstractHigh-speed railways must maintain a high level of smoothness, stability, and reliability because these factors are directly linked to the safe operation of high-speed trains and the protection of people’s lives and ...

Abstract: Pure SiO2 aerogel has a strong light transmittance in the infrared wavebands from 3.0 to 8.0 μm, and an opacifier could efficiently reduce aerogel's radiative thermal conductivity (λr), especially at high temperatures ...