The significance of ancillary services within the airline industry is progressively gaining prominence. As such, research on airlines’ ancillary services has continuously grown. The primary objective of this research article is to provide a review of ancillary services on passengers’...

Though, as a renewable energy resource, alcohol fuel has many advantages in China, it is difficult for diesel engines to operate on alcohol due to its low cetane number and high latent heat of vaporization. This paper proposes an approach to its ignition problem by combining internal exhaust gas...

The importance of individual consumption behavior in a low-carbon economy is gradually recognized. Social norms have a significant effect on the change of individual consumption behavior. However, the influence mechanism of social norms still needs more research. We conducted two behavioral...

In situ leaching loss of phosphorus (P), especially dissolved organic P, is poorly appreciated in mollisol. In this study, an in situ soil column experiment was conducted in the mollisol area of northeast China to investigate the seasonal variations of different P forms under three typical...