In the granulation process there were four periods: formation of microbial flocs, formation of subcore, growth of subcore and mature of granules.
颗粒化过程包括：微生物絮凝体的形成、亚核的形成，亚核增长和颗粒成熟四个阶段。
Effective granulation is the formation of granular structure with return as core and concentrate fines as adhering layer.
机理研究表明：理想的制粒效果是形成以返矿为核心，以细粒精矿的粘附料的制粒小球结构模型。
Conclusion: MEBO had the effect of promoting the regeneration and repair of facial deep burn wound. It helped the granulation to grow into confluence and prevented scar formation.
结论：MEBO有促进头面部深度烧伤创面、再生、修复、融合漫延的作用，并有良好的止痕效果。
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