液晶

The antifriction and antiwear mechanisms of different low molecular weight liquid crystal were illustrated.

比较了不同小分子液晶润滑剂或添加剂的润滑机理和减摩抗磨性能的差异；总结和分析了大分子液晶微观和宏观增强复合材料的摩擦磨损机理和性能；并对液晶摩擦学今后的研究和发展方向提出了展

The measurement method and principle of the temperature dependence of rotational viscosity coefficient of nematic liquid crystal were investigated on a personal computer-based optical system developed by us.

本文设计开发了基于微机的液晶参数测试光学系统，在该系统上研究了液晶的转动粘质系数的测试原理与方法：通过测试液晶盒在偏置电压下相位驰预时间，推导出转动粘质系数的值。

The complexes of disk - like crown ether liquid crystal with Eu have theproperties of liquid crystals and havn't the properties of fluorescence. The complexes of disk -like crown ether liquid crystal with Eu and β-diketone have the properties of fluorescence and electroluminescence.

盘状冠醚液晶Eu配合物具有液晶性质而无荧光特性；盘状冠醚液晶与EuⅢ）和β-二酮形成的配合物具有荧光特性，和电致发光性质。

The degree of twist distortion increases with pretilt angle.

同一种液晶分子在取向层的预倾角不同，在力场作用下扭曲变形的程度亦不同，预倾角较大可获得较大的扭曲角；对于不同的向列液晶，弹性常数较小的液晶可在较短的时间产生较大的扭曲变形

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Three series of liquid crystals were synthesized in this study. In the first part of this study, a rectangular liquid crystal, compound 8, with two ethynyl groups and two oxymethylene groups used to link to phenyl groups and biphenyl groups with the central phenyl core respectively exhibits smetic phases.

本研究成功合成出三系列化合物：第一系列为合成以二炔基二亚甲氧基为中心之盘状液晶，并在二亚甲氧基尾端引入可进行光聚合反应之二丙烯酸酯基，得到层列型液晶化合物8，其液晶相温度范围在46.1~74.8℃，且单体8对光与热之稳定性较差，高温下容易自行聚合。

There is no any additional phase modulation on the shaped beam when a LCOS is used as the beam shaper. A Garssian beam has successfully been converted to a square flattop super-Gaussian beam by use of a LCOS. The results show that the LCOS of...

研究发现，与透射式液晶光阀相比，反射式液晶光阀有着明显的优势，效率达到42%，远远优于透射式液晶光阀10%的效率，从而能够实现系统的大幅度简化，是一种非常有潜力的空间光调制器件。

The development of the formation of lyotropic and thermotropic liquid crystals of cellulose and its derivatives,the relationship between the molecular structure and the liquid crystalline behavior and cellulose derivative composites with cholesteric order are reviewed with 79 references.

本文全面地综述了纤维素及其衍生物溶致性液晶和热致性液晶的形成，液晶性与大分子链结构，以及具有胆甾型液晶相结构的纤维素衍生物复合材料等方面的最新研究进展。

This study demonstrates optically and spatially band-tunable color cone lasers based on DDCLC cells with a photoisomerizable chiral dopant. The band-tunability is attributable to the recovery of the helix of the CLC resulted from the trans-cis isomerization induced decrease of the helical twisting power of the chiral dopant.The more the chiral cis-isomers are produced, the larger the tuned lasing band is.

本文主要藉由在胆固醇液晶射中加入可光致同素构化亲手性材，使胆固醇液晶所输出的彩色锥角射波段可光调控及空间调控，其射输出波段可调控的机制是由於当同素构化反应产生后，光致同素构化亲手性材的HTP值低并造成胆固醇液晶距改变，藉此间接调控输出的射波长，同素构化的程愈高，胆固醇液晶所输出的彩色锥角射波段可调控范围也愈大。

Available scope : LCD、CRT、Computer Monitor、LCDTV、Lens、Glass、Touch-sensitive screen etc.

三、 使用范围：电脑显示器屏幕、电视屏幕、液晶显示器、液晶显示屏LCD、液晶电视、工业液晶显示器、视保屏、触摸屏等。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。