The micro -scale construction of these materials is a key factor though, so chemical engineers must understand what is happening at the microscopic level.
而这些材料的微观结构是一个关键性因素，所以化学工程师必须在微观的层次上了解发生的一切。
2
By analyzing on limited hazard and banned hazard, the author constructs early-warning microscopic model of single factor and product respectively.
通过分析限量类危害物和违禁类危害物，建立了单因素、单产品视角的预警微观模型。
3
This article USES the microscopic analysis method, Carries on the thorough discussion to a boiler drum break of accident cause factor, Seeks its origin, Proposes solution, For boiler safe operation?