Abstract

Based on the differential equation model of the influence of environmental toxins on biological population, the objective random interference factors of Brownian motion simulation are introduced, and the objective delay factors are simulated by using the delay term, so as to construct the stochastic delay differential equation model of the influence of toxins in industrial emissions on human beings, and prove the existence of the global positive solution of the model, thus proving the established model Type A has certain theoretical feasibility.

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