The kinetics and mechanism of lactic acid oxidation in the presence of Mn(Ⅱ) and Ce(Ⅳ) ions by chromic acid were studied spectrophotometrically. The oxidation
The resulting slag particles from solid rocket motor( SRM) firings are an important component of space debris environment. Slag sizes as large as 1 cm have been
GNSS( global navigation satellite systems) are unavailable in challenging environments such as urban canyon and indoor locations due to signal blocking and jamming. Camera / IMU( inertial measurement
Differential equation of restrained torsion for rectangular-section box bar with honeycomb core was established and solved by using the method of undetermined f
Background Both early repolarization and altered heart rate profile are associated with sudden death. In this study, we aimed to demonstrate an association betw
Chinese government has been devoting itself to the development of renewable energy sources. This paper de-scribes the history, achievement and future trends of