液晶

Polypropylene ; thermotropic liquid crystalline polymer ; hybrid composite ; mechanical properties ; dynamic mechanical analysis

聚丙烯；热致液晶聚合物；混杂复合材料；力学性能；动态力学分析

In order to improve the mechanical properties and thermal stability of UP,in-situ hybrid composites of thermotropic liquid crystalline polymer with the group of —NCO synthesized by us,unsaturated polyester and glass fiber were successfully prepared by melt mixing technology and compression molding.

为了改进不饱和聚酯树脂在高低温和交变应力下力学性能和热稳定性较差的缺点，利用自行合成的端基含有活性基团的热致性液晶聚合物对不饱和聚酯/玻璃纤维复合材料改性，用DMA测试了共混物的动态力学性能，用扫描电镜对材料断面的形态结构进行了研究。

Melt-blending these thermotropic liquid crystalline polymers with a thermoplastic matrix polysulfone , A series of In-situ composites were obtained.

将这些液晶聚合物与热塑性树脂聚砜熔融共混，得到一系列原位复合材料。其中TLCP的重量百分含量为5％，15％，20%，25％。

he correlation between the interphasial interaction and microstructure in sixpolyblend systems containing thermotropic liquid crystalline polymers hasaam investigated by means of dynamic mechanical spectrometry and scanning electron microscopy.

用动态力学谱仪和扫描电子显微镜测试观察了六个含热致液晶聚合物共混体系中的相间相互作用与微结构。

Synthesis and Characterization of Thermotropic Liquid Crystalline Polyurethane;2. The thermotropic properties,the melting pointT_(m and the .

结果表明，所得聚氨酯产物在144~260℃均为热致性向列型液晶，其熔点和清亮点随着分子链柔顺性的增加而下降。

Two azobenzene-containing polyethers were synthesized and their thermotropic liquid crystalline properties were investigated.

氯乙基缩水甘油醚和GCE/羟丁基乙烯基醚分别通过阳离子聚合、光引发共聚合，获得两种聚醚，然后再分别与 4-硝基-4' -羟基偶氮苯反应，制备了两种侧链含偶氮苯生色团的液晶聚合物。

The ticketer machine of this system is the highly integrated system that our company developed, it includes such parts as the shell, software, thermal printer, computer, LCD, touch- screen, etc., the company has already initialized the software into the computer before the products are dispatched from the factory, to be convenient for the users (drivers that have all already backed up in the hard disks of the computer, and the driver of the special-purpose expansion card), at the same time, our company can make special modification according to the request of the user, meet the customer's demand.

本系统的取票机是我公司开发的高度集成系统，它包括机身、软件、热敏打印机、电脑、液晶显示屏、触摸屏等部件，公司在产品出厂前已将软件初始化进入主机，这样省去了用户的麻烦（电脑主机的硬盘中都已备份好电脑的全部驱动程序，以及专用扩充卡的驱动程序），同时，我公司也可根据用户的要求进行特殊定做，满足客户的要求。

The ticketer machine consists of the luxurious shell, computer, computer software, LCD, touch-screen, thermal printer, etc.

取票机主机由豪华机身、电脑主机、电脑软件、液晶显示屏、触摸屏、热敏打印机等集合而成。

The receiving circuit adopts programmable gain amplifier and filter, enables the instrument to realize the automatic filter and the automatic adjusting enlargement factor according to the echo signal's different amplitude and frequency; Having AC and DC power supply modes, the system can satisfy different situation; Having adopted the big screen TFT LCD,caused the tested wave displaying intuitively;Having designed the toucher ,which enables the system to have a human-computer interaction function, helps user operate facilely.

接收系统采用程控滤波和程控放大，使得用户能根据回波信号的强弱和探头频率的不同而选择不同的滤波电路和放大倍数；交直流供电满足不同的应用场合；采用高分辨率大屏幕TFT液晶显示器，被测波形直观形象；触摸屏输入，操作方便。

The relationship between molecular structure and tran...

讨论了不同取代基和分子结构对液晶相变温度的影响。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。