查询词典 nucleator

The influence of the content of β form nucleator on structure and properties of PP was studied.

摘要：研究了β成核剂含量对聚丙烯结构和性能的影响，用偏光显微镜和广角X射线衍射法对PP结晶形态和结晶行为进行了研究。

The addition ofβnucleator is favorable to formβcrystal and cause more a crystal transform toβcrystal.

成核剂的加入还有利于iPP中β晶型的形成，诱导了相当一部分α晶型向β晶型转变。

The toughening effects of small batch bulk PP/ nucleator/CaCO3 composite was also studied.

含量不变，体系的冲击强度随p成核剂添加比例的增加而明显上升。

On basis of study on the regulation of nucleator and nano-CaCO3 on small batch bulk PP, we put great emphasis on the discussion of the relation between two kinds of modification procedures.

在研究纳米改性和传统的β成核剂改性规律的基础上，重点探讨了两类改性方法之间的联系和协同改性作用。在小本体PP／β成核剂二元体系的研究中，主要比较了两种不同的小本体045、075的结晶性能和力学性能。

Through the addition ofβnucleator, the crystallization process of iPP is transferred from homogeneous nucleation to heterogeneous nucleation.

随着α成核剂质量分数的增加，iPP的拉伸性能和弯曲性能得到了一定程度的提高。

The results showed reasonable crosslinked PP was benefit to the improvement of the cell structure, and the addition of nucleator as nucleating sites could increase the cell density.

研究表明，适度交联的聚丙烯有利于改善泡孔的结构，加入的纳米碳酸钙作为异相成核点，能够提高制品的泡孔密度。

Y_2O_3 and the mixed rare earth oxides appeared to be an a and β-nucleator and La_2O_3 is an α-nucleator for iPP.

结果表明不同的iPP/稀土氧化物复合材料中iPP的晶型不同，Y_2O_3和稀土氧化物是iPP的α和β晶成核剂，La_2O_3是α晶成核剂。

In this paper, small batch bulk PP/ nucleator, small batch bulk PP/CaCO3 and small batch bulk PP/ nucleator /CaCO3 were studied systematically.

本文分别研究了小本体PP／β成核剂、小本体PP／CaCO_3、小本体PP／β成核剂／CaCO_3三类复合体系。

In small batch bulk PP/ nucleator system, The nucleator TMB-5 was used as the impact modification for different small batch bulk PP045 and PP075 in the second part of the project.

通过XRD分析表明，β成核剂TMB—5的加入使小本体PP的结晶度提高，并对β-PP有诱导生成作用，同时发现对小本体075具有较好的增韧效果，但使其强度有所下降。

In small batch bulk PP/ nucleator/CaCO3 system, when the blend ratio of the small batch bulk PP/ nucleator/CaCO3 composite is 1000/3/40, the two particles have the best comprehensive mechanical modification effect, the impact strength increases 3 times.

二者的协同作用使其韧性有明显的提高。总之，采用两类改性方法相结合，当p成核剂含量为0.3%、纳米CaCO。含量为4%时体系具有较好的韧性，其冲击强度相比纯小本体即提高3倍。

Methods: Five patients with parkinsonism or dystonia were assigned to general anesthesia using an modified endotracheal tube.

本实验依照人体实验之相关规定进行，五位患有帕金森氏症或肌张力异常的病人接受神经立体定位手术。

If you can benefit from this book, it is our honour.

如果您能从本书获益，这将是我们的荣幸。