查询词典 nematic

This ellipsometric method does not need to rotate the sample azimuthally. The physical parameters of sample are measured under various linear polarized lights through the numerical fitting to its theoretical model. In addition to the orientation of the first layer of nematic liquid crystal is considered, the total phase retardation and twist angle of twist Nematic Liquid Crystal cell are the physical parameters measured by this method.

本论文以椭圆偏极术为基础，在不需转动样本方位角的情况下，以不同偏振方向的线性偏振光入射样本，藉由出射光偏振态的变化，用数值方法拟合出样本矩阵模型参数；我们所量测的样本为扭转式液晶盒，其矩阵模型包含了三个参数：总相位延迟、扭转角及第一层液晶锚定方向。

In order to solve Oldano-Barbero paradox caused by the splay -bend elastic constant k13 in the continuum theory of nematic liquid c rystals,we determine the distribution of the director in the planar al ignment nematic liquid crystal cell by means of finite elements method .

为了解决液晶连续体理论中出现的Oldano-Barbero矛盾，用有限元方法计算平行排列盒中的指向矢分布。

Point where fluid heats or cools to where it is no longer in the twisted nematic state.

点在那里流体热或者冷却给在那里它不再在扭曲的nematic 国家里。

STN has nematic LC which can twist from 180 degrees to 270 degrees or uses namatic LC display type.

具有扭转约180度~270度构造的nematic液晶或采用namatic液晶的显示类型。

Twisted nematic Twisted nematic displays contain liquid crystal elements which twist and untwist at varying degrees to allow light to pass through.

扭曲之。液晶显示器包含之扭扭元素在不同程度地解开让光线通过。

The polymers substituted with hexyl and octyl on phenylene also show a nematic phase, however, the nematic phase disappears for the polymer substituted with decyl. The polymers substituted with alkoxy on phenylene self-organize into a lamellar structure, and their phase behavior shows obvious dependence on the alkoxy length.

苯环上烷基、烷氧基取代的聚合物都具有纤维状的特征形貌，当烷基、烷氧基碳原子数为6时在高温都存在一个向列液晶相，当烷基碳原子数增加到10时液晶相消失，而烷氧基碳原子数增加到12时该向列液晶相仍然存在。

The results showed that M1 and M2 present the enantiotropic nematic phase ,M3 presents the nematic phase with SA,SC and SB smectic phases and M4 presents the nematic phase with SA,SC and SB monotropic phases.

研究表明，单体M1和M2呈现互变向列相，M3呈现向列相和近晶A相、近晶C相和近晶B相，M4呈现向列相和单变SA相、SC相和SB相；聚合物P1和P2呈现向列相，P3和P4呈现SA相和向列相。

To the liquid-crystal display from its structure, the principle as well as the classification has carried on the introduction, twists to the row (TN-Twisted Nematic); Ultra distortion to row (STN-Super TN); Double-decked ultra distortion to row (DSTN-Dual Scan Tortuosity Nomograph); The thin film crystal (TFT-Thin Film Transistor), introduced the thin film crystal liquid-crystal display with emphasis.

对液晶显示器从其结构，原理以及分类进行了介绍，扭曲向列型(TN-Twisted Nematic)；超扭曲向列型(STN-Super TN)；双层超扭曲向列型(DSTN-Dual Scan Tortuosity Nomograph)；薄膜晶体管型(TFT-Thin Film Transistor)，重点介绍了薄膜晶体管型液晶显示器。

The electrically controlled refractive index in a nematic liquid crystal cell for switchable π/2 phase shifting and quarter wave plate of terahertz wave was demonstrated. We used the nematic LC, E7, which exhibits a birefringence of ~0.17 (0.2~1.2THz), useable at the room temperature range because of the wide nematic range -10?

我们研制了在兆赫辐射(1012 赫兹)波段，以电压控制其双折射系数的向列型液晶盒所制作而成的可调式π/2相位调制器及四分之一波片，我们使用了E7这种向列型液晶，在0.2~1.2兆赫这个波段，E7的双折射系数约为0.17，此外其适用的温度范围很大(摄氏-10°~61°)，能够操作於室温。

In this paper, numerical calculations of magnetically induced twist effect in planar nematic liquid crystal are presented. The transmission of polarized light passing through magnetically induced twist distribution in planar nematic liquid crystal is calculated with "4-4" matrix algorithm. On the experimental side, the optical phase retardation method is used to detect the magnetically induced twist effect in planar nematic liquid crystal 5CB(4′-n-penty1-4-cyanobiphenyl) at 27℃.

对平行排列5CB(4′-n-penty1-4-cyanobinpheny1)丝状液晶在静磁场中扭曲变形做了严格的数值解，给出了严格分布情况；利用光学&4*4&矩阵算法，计算了线偏振光在严格分布下的传输情况；在实验方面，应用光学相位延迟法对平行排列5CB丝状液晶在静磁场中(温度27℃)线偏振光的通过情况进行了测量。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。