Researchers created a mathematical model analyzing combustion waves — from slow flames to supersonic detonation. It yields accurate solutions and explains the transition from deflagration to detonation. The work paves the way for safer engines and improved protection against industrial explosions.

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The company’s gross margin has consistently been below the industry average, dropping to 23% in 2024 and then recovering to 24.7% in the first three quarters of 2025—still far below the 28%–32% level of leading players. Raw material costs accounted for as much as 87.5%, and rapid expense growth further squeezed profit margins. Overall, the company’s scale advantage stands out, but its earnings are not sufficiently stable. Growth remains primarily driven by store count, and operating efficiency urgently needs improvement.

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