Through analyzing the popularization and application network for innovation method at industrial level in-depth,this paper builds a SIR model based on BA scale-free network,and analyzes the influence factors and effect mechanisms of knowledge diffusion process.The results show as follows:scale-free network has unique advantages in promoting knowledge diffusion;it is necessary to construct appropriate organizational structures to accelerate the application of innovation methods in industries,and build service platforms,and design an scientific process,and give full play to " demonstration effect",and introduce incentive mechanism to promote the popularization and application efficiency of innovation methods.%在深入分析产业层面的创新方法推广应用网络结构的基础上,构建了基于BA无标度网络的SIR模型,分析了知识扩散过程中扩散效果的影响因素和作用机制.结果显示:无标度网络结构特性具有促进知识扩散的独特优势;要加快创新方法在产业中的应用,应重视组织结构和服务平台的构建,设计科学的流程,充分发挥“示范效应”,引入激励机制,切实提升创新方法的推广应用效率.
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