The coverage of combustion zone based on graded Particles: Analysis of gap structure and mechanism by Dezhi Ran, Jianwei Cheng, Haonan Chen, Chengming Xiao, Yu Wang

“…This study explores the coverage effect on the boundary of combustion zone and the complex gap structure between particles. A method of using graded particle for fire extinguishing is proposed. …”
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X-Events as Determinants of the Sixth Kondratieff Wave by John Casti

“…Their occurrence is pre-determined by a set of matured contextual prerequisites (primarily the complexity gap between governing system and addressed challenges, as well as changing social mood) and the random factor playing a role of a catalyst. …”
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