In this review methods of determining polymer orientation using X-ray diffraction are described . It includes uniaxial and biaxial orientation as well as their calculating methods .

介绍了用X射线衍射法测定结晶聚合物材料取向度定义， 单 轴和双轴 取向及其计算方法。

Uniaxial orientation of LC N substituted polypyrrole can be formed by a friction technique .

N取代液晶聚吡咯在摩擦力的作用下还可以诱发 单 轴 取向。

Based on the analysis of 3 main stretching modes ( uniaxial constant width and biaxial ) the progress in the research on the orientation induced crystallization during stretching of poly ( ethylene terephtalate )( PET ) is summarized .

综述了PET在3种拉伸方式（ 单 轴 拉伸、平面拉伸和双轴拉伸）下的 取向诱导结晶的最新进展。

Monodomain nematic elastomers has uniaxial orientation and can suffer a deformation as mush as 400 % .

单域的向列型弹性体具有单一的向列 取向，能产生高达 400%的可恢复大变形。

Effects of uniaxial orientation and molecular conformation on the molecular motions of nylon-6

晶区分子链构象及 拉伸 取向对聚酰胺-6分子运动的影响

Progress of recent studies on the deformation mechanism for spherulites of isotactic polypropylene ( I PP ) in the uniaxial and biaxial orientation process was introduced .

介绍了近来国内外对 单向、双向 拉伸过程中全同立构聚丙烯（iPP）晶体内部球晶形变机理的研究进展。

ON DEFORMATION OF ARCHITECTURE In the uniaxial orientation the I PP spherulite the lamella and the molecular chain were subject to deformation in response to the imparted stress .

单向 拉伸 过程中，为响应所施加的应力，iPP晶体内部的球晶、晶片、分子链等不同层次的结构均会产生相应形变。

Texture changes of aluminum sheet after different uniaxial tensile deformations were investigated with the aid of the experimentally determined orientation distribution functions .

采用 取向分布函数（ODF）研究了纯铝板材 单 轴拉伸过程中的织构演变规律。

In order to improve the shortcomings of PLA in this work the effect of uniaxial orientation process conditions on the crystallization and the oxygen permeability of pure and plasticized poly ( lactic acid ) film had been investigated with PLA as raw material .

为了改善聚乳酸的缺点，本工作以聚乳酸（PLA）为原料，考察了不同的 单 轴 取向工艺条件对聚乳酸及其增塑聚乳酸结晶和透氧性能的影响。