| 1. | Polymers consist of long molecular chains of covalently bonded atoms .
高聚物都是由共价链联接原子而形成的长链分子所组成。 |
| 2. | When this process occurs, molecular chains can orient in the fiber direction .
在此处理过程中，分子键能沿纤维轴向定向排列。 |
| 3. | Mechano - chemical molecular chains model of fatigue damage for fibre - reinforced polymeric matrix composites
纤维增强聚合物基复合材料的疲劳损伤模型 |
| 4. | When incorporation content of nano - al2o3 is 20 phr , fillers show conglomeration , which reduces the ability of fillers to link the molecular chain of pa6
因此，为了提高填充粒子与基体的结合能力，有效的降低材料的磨损，对填充粒子作有机化处理是必要的。 |
| 5. | The nano - sized caco3 particles were well dispersed in the pvc matrix , the sharp angles that formed when the pvc molecular chains stressed have an tendency to be changed to the obtuse angles . therefore , the stress concentration could be $
纳米caco _ 3粒子在pvc基体中的良好分散，可以使pvc分子链在受力过程中形成的锐角钝化，从而避免应力集中、弥补缺陷，起到增韧增强pvc的作用。 |
| 6. | Wear mass loss of pa6 composites increases with the increasing of load . the matrix has optimal contents of fillers more or less nano - al2o3 cannot effectively link the molecular chain of pa6 matrix and reinforce pa6 ' s resistance to adhesive and abrading transfer wear
‘业人学硕十学位论文摘要佳填充量，在试验配方中，当纳米a120 :填充量为10phr时，尼龙6的磨损量最低，耐磨性最好。 |
| 7. | The mechanism of photoalignment is that the selective photoreaction broke out on the surface of the polymer under the irradiation of linearly polarized ultraviolet light ( lpuv ) . the orientational alignment of molecular chains induces lc alignment in a certain direction
光控取向的原理是在线偏振紫外光作用下，光敏聚合物侧链定向光交联，出现分子链段的指向有序分布，从而诱导液晶分子排列。 |
| 8. | These microlites and richer amorphous region will benefit the polycondensation reaction of pet , the diffusion of volatile by - products , and the approach of the end - groups of pet molecular chains by forming more routeways , which may result in the higher rate of ssp
作者认为这些更多数量的微晶体有利于固相缩聚过程中副产物小分子的扩散去除及pet大分子链端基的扩散接近，从而在宏观上表现为pet mmt的固相缩聚速率大大提高。 |
| 9. | Structures of the camp fibers were also discussed . the results showed that the hydrogen bonding between the pva and caa damaged the regularity of crystalline field and the crystallinity of the fibers reduced . the cluster structures of each phase in the blend were changed and movement of the molecular chain segment was reduced
对camp纤维结构的研究表明， pva与丙烯酸-丙烯酰胺共聚物( caa )共混后，大分子间的氢键作用破坏了pva晶区结构的规整性，导致pva在camp纤维中的结晶性明显减弱；两种共混组分的聚集态结构发生变化，大分子链段运动受到影响。 |
| 10. | The results show a few grooves appear on the worn surface of the composites which contain 10 phr nano - al2o3 there are a great many grooves on the worn surface of the composites containing 20 phr . in addition the deeper cracks also appear . this shows that excess nano - al2o3 particles ca n ' t improve wear properties of pa6 ' s . the proper content of nano - al2o3 in the matrix can enable the molecular chains of pa6 to produce closed joints which resemble the physical crosslinking
尼龙6 / a12o :复合材料的加工性能研究表明:随着纳米a12o3的加入，复合材料的熔体流动速率下降，纳米a12o3含量越大，下降越明显，即队6 / a12o3纳米复合材料的加工性能越差;随着纳米a12o3的加入，复合材料的转矩和塑化时间都增加，当含量小于巧phr时，队6复合材料的转矩增加幅度不大，当含量超过15phr后，转矩急剧升高。 |
