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弹性记忆效应
相关语句
  elastic memory effect
     This is a discussion on the form and effective factors of polymer materials elastic memory effect and orientation structure with heat-shrinkage. It also discusses about tube expanding stability,heat-shrinkable tube density and its storing stability.
     本文着重讨论高分子材料弹性记忆效应、取向结构与热收缩性的形成及影响因素,并论及扩管稳定性、热收缩管密实性和热收缩管贮存稳定性。
短句来源
  elastic memory
     This is a discussion on the form and effective factors of polymer materials elastic memory effect and orientation structure with heat-shrinkage. It also discusses about tube expanding stability,heat-shrinkable tube density and its storing stability.
     本文着重讨论高分子材料弹性记忆效应、取向结构与热收缩性的形成及影响因素,并论及扩管稳定性、热收缩管密实性和热收缩管贮存稳定性。
短句来源
  “弹性记忆效应”译为未确定词的双语例句
     The Barus effects reached the minimum at lower shearing rate within 120-140℃.
     在 120—140℃低切变速率下操作,胶料的弹性记忆效应最小。
短句来源
  相似匹配句对
     The Shape Memory Effect
     形状记忆效应
短句来源
     FILTRATION EFFECT OF ELASTIC WHEEL
     弹性车轮的滤波效应
短句来源
     Memmory Effect of Alkaline Storage Battery
     碱性蓄电池的记忆效应
短句来源
     The proposed constitutive equation expresses well the properties of the shape memory effect, pseudoelasticity and recovery stress.
     该方程能很好地表达形状记忆效应,伪弹性和回复应力。
短句来源
     Size effect on elastic constants of composite materials
     复合材料弹性性能尺度效应
短句来源
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  elastic memory
It is developed from high elastic memory nitinol and applies light and continuous force.
      
The experimenter requires 30-90 s to manipulate the Instron to secure sample tautness, during which time it is shrinking, due to elastic memory.
      


The rheological properties of cis-1,4-polybutadiene rubbers with rare earth catalyst ( LnBR ) and its oil-extended rubber ( LnOBR ) , as well as with nickel catalyst ( NiBR ) were examined by Instron 3211 capillary rheometer. It was found that the raw rubbers of LnBR, LnOBR, NiBR, having the flow indexes of less than 0.4, 0.6, 0.5, respectively, were non-Newtonian pseudo-plastic fluids at 70℃. The apparent viscosity of these raw rubbers decreased with increasing the shearing rate. The non-Newtonian behaviour...

The rheological properties of cis-1,4-polybutadiene rubbers with rare earth catalyst ( LnBR ) and its oil-extended rubber ( LnOBR ) , as well as with nickel catalyst ( NiBR ) were examined by Instron 3211 capillary rheometer. It was found that the raw rubbers of LnBR, LnOBR, NiBR, having the flow indexes of less than 0.4, 0.6, 0.5, respectively, were non-Newtonian pseudo-plastic fluids at 70℃. The apparent viscosity of these raw rubbers decreased with increasing the shearing rate. The non-Newtonian behaviour of the compounds varied with the changes of temperatures and shearing rates, their flow indexes were less than 0.6, 0.4, 0.6, respectively. The Barus effects reached the minimum at lower shearing rate within 120-140℃. The LnBR showed a more pronounced tendency towards melt fracture than NiBR. For smooth extrudates, the critical shearing rate of each rubber above was 35, 40, 100 s-1, respectively, at 120-140℃.

本工作采用Instron 3211毛细管流变仪,对典型稀土顺丁橡胶(LnBR)及其充油胶(LnOBR)样品,以及镍系顺丁橡胶(NiBR)工业产品的流变性能进行了考察和比较。结果表明,LnBR、LnOBR、NiBR生胶在70℃时都是假塑性流体,其流变指数n分别小于0.4、0.6、0.5,且有不同的表观粘度。混炼胶也都是假塑性流体,其非牛顿性的大小,随挤出温度与切变速率而变化。实验条件下,LnBR、LnOBR、NiBR 混炼胶的 n值分别小于 0.6、0.4、0.6。在 120—140℃低切变速率下操作,胶料的弹性记忆效应最小。LnBR熔体破裂比NiBR严重。LnBR、LnOBR、NiBR在 120—140℃下得到光滑挤出物的临界切变速率分别为 35、40、100秒~(-1) 。

The samples having almost the same molecular weight but different MWD were pre-pared by precipitation fractionating and then mixing in solution. The influence of MWDon the viscoelastic properties of raw rubber was studied using the methods of GPC andstress relaxation. The effect of low molecular weight fractions on the density of chainentanglement networks and the contribution of high molecular weight fractions to theviscoelastic properties of raw rubber were also examined.

本文采用沉淀分级和溶液混合的方法制备分子量相近但分子量分布不同的顺-1,4-聚丁二烯样品,通过凝胶渗透色谱(GPC)和应力松弛的方法,研究分子量分布宽度对生胶粘弹性能的影响,并考察低分子量级份对缠结网络密度的作用和高分子量级份对生胶粘弹性能的影响。结果表明,聚合物本体的稳流切变粘度对分子量分布最为敏感。随分子量分布的变宽,低分子量级份增多,缠结网络密度变小,当高分子量级份增加时,生胶的弹性记忆效应加强。

This is a discussion on the form and effective factors of polymer materials elastic memory effect and orientation structure with heat-shrinkage. It also discusses about tube expanding stability,heat-shrinkable tube density and its storing stability.

本文着重讨论高分子材料弹性记忆效应、取向结构与热收缩性的形成及影响因素,并论及扩管稳定性、热收缩管密实性和热收缩管贮存稳定性。

 
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