偏光

In the first part of this thesis, Stress relaxation method set up in the software of DMA was used to perform the aromatic and aliphalic (D2192-BAPP) PI film stretching process. To study the optical anisotropies property to the light leakage from the crossed polarizers, we put the stretched samples into one set of crossed polarizers and as expected, the stretched PI films could reduce the light leakage at view angle of ±45 deg, and exhibited a visually observed compensating property of an A-plate. No color shift wasobserved, and the birefringence was very uniform. These results prove a uniform birefringence can be obtained by a stretched process for PI films.

首先，我们以动态机械分析仪的应力缓和模式对芳香族FDA-BAPP PI及脂肪族D2192-BAPP PI薄膜进行拉伸实验，并将拉伸后的PI薄膜置於一组相互交差的偏光片中观察其光学异向性，发现拉伸后的PI薄膜试片可以降低在±45o视角的漏光的效果，展现出如同A-Plate的光学补偿特性，所显现的光学补偿效果相当的均匀而且没有色偏的情形发生，证实以拉伸方法可以造成PI薄膜很均匀的双折射效应。

Differential scanning calorimetry and polarizing microscope were used to probe the liquid crystal properties of the serial complexes.

采用差示扫描量热法和偏光显微镜研究了该系列配合物的液晶性能，发现8个配合物具有液晶性。

Soil micro-morphological features were observed and analyzed with the single polarizing microscope.

用单偏光显微镜对不同处理的土壤微形态进行了观察与分析。

The influence of pour point depressant on the shape and electric properties of wax crystal was studied by micro-electrophoresis meter and polarizing microscope.

采用偏光显微镜和微电泳仪研究了聚丙烯酸酯降凝剂对蜡晶的形态和电性质的影响。

With slight modification this kind of polarizing microscope can be used as gem microscope.

只要稍加改动这种偏光显微镜便可以用做宝石显微镜。

The influence of series of VA diesel flow improver which synthesized myself for crystal configuration of diesel oil was studied by polarizing microscope .

采用偏光显微镜研究了自行研制的AVM系列柴油流动改进剂对蜡晶形态的影响。

Their properties of homopolymer and copolymers have been studies by DSC, polarizing hot stage microscope and X -ray techniques.

用DSC热台偏光显微镜和X射线衍射仪等对合成的均聚物和共聚物进行了表征。

The fracture process and mechanical properties of composites with different interfacial strength were investigated by a home-made tensile tester with an additional polarizing microscope.

利用带偏光显微镜的拉伸仪，研究在不同界面强度下玻璃纤维／环氧树脂基复合材料的破坏过程及力学性能。

Starch and water were mixed in different ratio and react under high temperature. The particle structure of treated starch was observed by a polarizing microscope.

将淀粉与水分按不同比例混合并在高温下反应，用偏光显微镜观测处理后的淀粉颗粒结构。

By using polarizing microscope ,scanning electron microscope and atomic force microscope,the surface of polyimide in normal area and electrostatic damaged area are observed systematically.

利用偏光显微镜、扫描电镜和原子力显微镜对聚酰亚胺表面正常区域和静电损伤区域进行系统观测。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。