Play fighting and chasing in human children – often referred to as rough-and-tumble play, or RTP R&T is a common form of one that has the most obvious correspondence play many (especially mammalian) non-human species. Unlike object, pretend sociodramatic generally encouraged by teachers parents, viewed much more ambivalent way. The role it development, whether this should be positive negative l...

Abstract The demand of powertrain technologies able to efficiently employ several non-fossil fuels types, as bio or synthetic ones, compels develop simplified strategies accelerate the engines industrial optimization. High-tumble ultra-lean SI are currently an attractive option, thanks their fuel flexibility and potential extending lean combustion limit with novel ignition strategies. This work...