查询词典 polyoxymethylene

The kinetics and mechanism of thermooxidative degradation of polyoxymethylene, and the effects of temperatures on the initial degradation rate and life time of POM, were studied in air by isothermal TG and FTIR analysis of the residue.

通过等温热失重和残留物红外光谱研究了聚甲醛在空气条件下的热氧降解动力学及机理，讨论了温度对聚甲醛初始降解速率以及热老化寿命的影响。

High molecular weight polyoxymethylene was obtained from trioxane crystal by solid state polymerization with γ-irradiation from Co80 source.

用Co~(60)γ射线辐照三聚甲醛晶体固相聚合得到高分子量的聚甲醛。

Polyoxymethylene, polycarbonate, modified polyphenylene ether, the polyester and other five in number, and special addition to the above five kinds of engineering plastics often refers to other superior performance of engineering plastics.

聚甲醛，聚碳酸酯，改性聚苯醚(PPO，也有缩写为PPE的)，聚酯等五种，而特殊工程塑料常指除以上五种以外的性能更优异的工程塑料。

Project Contents: Polyoxymethylene is a hot type engineering plastic with high crystallinity, whose intensity, rigidity and hardness are similar to that of metal and which is mainly applied in electric appliance, engineering industry, automobile industry, building material and agriculture. The market prospect is great.

建设内容：聚甲醛是具有高结晶性质的热型性工程塑料，其强度、刚度、硬度类似金属，主要用于电子电器、机械工业、汽车工业、建材、农业等领域，市场前景广阔。

Being a kind of linear polymer with high crystallinity, polyoxymethylene is one of the best engineering plastics which crystallization behavior affects its other properties greatly.

聚甲醛是一种分子链中含有(CH2-O-)链节，没有侧链的高结晶性线性聚合物，综合性能优越的工程塑料，但缺口冲击强度较低，在某些方面不能满足工业化生产的需要。

Polyoxymethylene is an excellent thermoplastic for engineering with the nature of high crystallinity.

聚甲醛是具有高结晶性质的热型性工程塑料，其强度、刚度、硬度类似金属，主要用于电子电器、机械工业、汽车工业、建材、农业等领域，市场前景广阔。

Keywords polyoxymethylene;polytetrafluoroethylene;kaolin;friction and wear

聚甲醛；聚四氟乙烯；高岭土；摩擦磨损

The effects of injection temperature on the dispersion phase and mechanical properties of polyoxymethylene/thermoplastic polyurethane elaster blends were investigated.

研究了注塑温度对聚甲醛/热塑性聚氨酯弹性体共混物形态结构和力学性能的影响。实验结果表明，注塑温度影响POM基体相与TPU分散相的粘度比，195℃时两者粘度相当，在剪切流动过程中，TPU可在POM基体中形成条状分散相，可吸收较多的冲击能并阻止银纹的生长以及裂纹的产生，从而较大幅度提高共混物的缺口冲击强度

Then a numerical simulation calculation for Polyoxymethylene rotor's Intensity and stiffness is carried out based on ANSYS finite element software which may provides the basis for reliability design of eccentric and squirmy rotor pump.

基于ANSYS有限元软件，对非金属材料的聚甲醛转子强度、刚度进行数值模拟计算及分析。将为偏心蠕动式转子泵可靠性设计提供依据。

The molding and application properties of two kinds of highly lubricating polyoxymethylene materials, which were filled with polytetrafluoroethylene, Silicone oil and with PTFE, Pumbum powder, were studied systematically and overall in the article.

本论文较系统、全面地研究了POM／PTFE／硅油和POM／PTFE／铅粉两种高润滑POM材料的加工和使用性能，考察了POM、PTFE、硅油、铅粉等品种及用量对共混或复合材料流变特性和热稳定性、摩擦磨耗特性和力学性能的影响，探讨了这两种高润滑POM材料的润滑减磨机理。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。