农用硝铵改性后，熔融物料粘度大，含有固相悬浮颗粒，引起生产过程中喷头堵塞现象。
After modification of agricultural ammonium nitrate, the molten material has a high viscosity and contains solid suspended particles, leading to blockage of the prilling basket during production.
使用Poly flow软件对熔融物料在往复螺杆式注塑机螺杆头部计量段中的三维等温流场进行了数值模拟。
Three-dimension isothermal flows in the metering section of reciprocating screw injection machines are simulated using the finite element package POLYFLOW.
显而易见，只讨论熔体输送而不讨论物料熔融，对全面研究双螺杆挤出理论是很不够的。
It is obviously that only taking account of melt handling without considering material melting is not suitable to study twin screw extrusion theory thoroughly.
上述现象需要一项新理论予以解释，这一理论能够说明较小尺度物料的熔融过程。
Above-mentioned phenomena need to be explained by a new extrusion theory, which deals with the melting process in a smaller dimension of material size.
假如粒子在被压缩前只有表面熔融了，那么空气就会被物料裹挟。
If only the surface of the granules melts before the pellets are compressed, air can get trapped.
物料的熔融过程得到优化，从而提高挤出产量。
It's optimized during material melting process. Thus get more extrusion throughput.
本文旨在对锥形双螺杆挤出机挤出过程中固体输送和熔融两段的物料输送功率进行研究。
In this paper, driving power consumption of the solid conveying and melting process in conical twin-screw extruder was studied.
提出同向双螺杆挤出的熔融过程中物料运动具有多种形式的观点。
There are several flow patterns at melting section in co-rotating twin screw extrusion.
研究了UHMWPE在挤出过程中物料输送及熔融塑化机理。
The mechanism of conveying, melting and plasticating of UHMWPE in the extruder were investigated with screw extraction experiment.
本文借助于流变学理论，对在给定物料和纺丝工艺条件下的熔融纺丝喷丝板设计及确定合理的几何结构尺寸作了阐述。
The design of spinnerets and the determination of the reasonable size in geometry for the given feed polymer and spinning technology are illustrated with the aid of rheological theory.
本文借助于流变学理论，对在给定物料和纺丝工艺条件下的熔融纺丝喷丝板设计及确定合理的几何结构尺寸作了阐述。
The design of spinnerets and the determination of the reasonable size in geometry for the given feed polymer and spinning technology are illustrated with the aid of rheological theory.
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