介绍冷却定型模在挤出生产中的作用、主要类型及其结构、设计与加工。
The function, main types, structure, design and process of the cooling setting molds in the extrusion production are introduced.
并通过不同冷却流道所影响的型坯温度场的比较，揭示了整体均匀冷却在定型模冷却系统设计中的重要意义。
By comparison different temperature field which are affected by the lay-out of cooling section, this paper uncovers the importance of uniform cooling when design cooling section of calibrator.
进行了各种相关工艺条件对挤出造粒的影响，包括挤出速度、模头温度及螺杆形式和定型模具对挤出成型的研究；
The impact of various process conditions on extrusion and pelletizing is studied, including the change of extrusion speed, die head temperature and screw types.
定型模是挤出模具的重要组成部分，采用数值模拟方法研究定型模内塑料异型材的冷却过程，可以指导定型模冷却系统的设计。
Shaped mould is the important part of extrusion die for injection moulding. The cooling process of shaped plastic in shaped mould was studied using numerical simulation.
通过数值算例发现，在考虑随机性对维修效率的影响后，与认为工人完成任务效率固定的确定型模型相比，任务安排可能发生变化。
Through numerical example, it is found the task assignment changes when the randomness is thought of compared with the model that neglects the randomness.
由于我国实行缴费确定型模式企业年金计划，同时考虑到我国应加强对企业年金基金安全性的重视，因此本文主要对积累、发放阶段的基金会计问题进行研究。
The pension plan in our country is DC style, and I think we should pay much attention to the security of the pension fund, so I mainly research the accounting of second stage.
由于我国实行缴费确定型模式企业年金计划，同时考虑到我国应加强对企业年金基金安全性的重视，因此本文主要对积累、发放阶段的基金会计问题进行研究。
The pension plan in our country is DC style, and I think we should pay much attention to the security of the pension fund, so I mainly research the accounting of second stage.
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