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(SA)相、近晶C(SC)相和近晶B(SB)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。
In this paper, the advantages of these compounds are summarized, showing that naphthalene derivative is useful for preparing a liquid crystal composition with a wide temperature range of nematic phase, very large dielectric anisotropy and a small birefringence, thereby being driven at a low voltage, and suitable for high performance STN.
大量文献数据表明其可加宽混合液晶的向列相温度范围;增大介电各向异性;降低阈值电压以及调节适宜的双折射率,适用于超扭曲向列型(STN型),薄膜晶体管型(TFT型)等高性能液晶材料。
Typical textures of S_C, S_B, S_A and nematic phase were observed.
在液晶态可观察到部分单体的近晶C相(SC)、近晶B相(SB)、近晶A相(SA)和所有单体向列相的典型织构。
The Technology and Progress of Super Twisted Nematic Liquid Crystal Display;
超扭曲向列相液晶显示技术及其进展
Experimental study of electric-termo-optic effect of nematic liquid crystal;
向列相液晶电热光效应的实验研究
The result shows that molecules with non-alkyloxy substituent are nematogenic and short alkyloxy chains (n= 1~3 ) in the homologue lead to nematic phase with odd-even effect, the molecules with longer alkyloxy chains (n=4~1.
当Y为非烷氧基时,呈向列相液晶;当Y为较短的烷氧基时(n=1~3),液晶化合物具有向列相(N);Y为较长烷氧基时(n=4~16),液晶化合物只有近晶B相(SB)和近晶A相(SA);SA-I相变的熵变随烷氧链原子数而奇-偶变化,但与N-I相变的“奇-偶效应”相反。
cholesteric-nematic phase transition
胆甾相-向列相相转变
twised nematic
扭曲排列的向列相畸变
The Theoretical Study of the Felxoelectric Effect in Nematic Liquid Ctystal;
向列相液晶中挠曲电效应的理论研究
Linear Analysis of Fréedericksz Transition in Nematic Liquid Crystals;
向列相液晶的Fréedericksz转变的线性分析
The Flexoelectric Effect and the Anchoring Energy of the NLC Cell;
挠曲电效应与向列相液晶盒的锚定能
Monte Carlo Simulation of Nematic Liquid Crystals
双轴向列相液晶的Monte Carlo模拟
Determination of Landau Point in Biaxial Nematic Liquid Crystals
双轴向列相液晶中Landau点的确定
Theoretical Derivation of Elastic Constants of Biaxial Nematic Liquid Crystal
双轴向列相液晶弹性系数的理论推导
Study of Distortions in Nematic Liquid Crystals Based Upon Spatially Anisotropic Pair Potential;
空间各向异性两体势向列相液晶形变研究
Study of Distortions in Nematic Liquid Crystal Based upon the Dispersion Force Pair Potential with Spatial Anisotropy
空间各向异性色散两体势向列相液晶形变研究
The Monte Carlo Simulation of the Hybrid Nematic Liquid Crystal Based upon Spatially Anisotropic Pair Potential;
空间各向异性势混合排列向列相(HAN)液晶的Monte Carlo模拟
Study on the Microscopic Theory of Nematic and Cholesteric Liquid Crystals with the Quantum Theory Methods;
液晶向列相和胆甾相微观理论的量子理论方法
Influence of the Surface Energy on the Cholesteric-nematic Phase Transition Induced by Magnetic Field;
表面能对磁致胆甾相-向列相转变的影响
Permanent Bistable Twisted Nematic Displays using Bi-directional Alignment Surface
采用双向取向表面的永久双稳态扭曲向列相显示器
Effect of Effective Rotational Viscosity on Dynamics of Hybrid Alignment Nematic Liquid Crystals
有效粘滞系数对混合排列向列相液晶动力学的影响
Four-Wave Mixing Probed by cw Laser in Dye-Dissolving Liquid Crystal in Its Nematic Phase
连续光探测的掺染料向列相液晶四波混频
Viscous Properties of Nematics Liquid Crystals Composed of Biaxial Molecules;
双轴分子组成的向列相液晶的粘滞理论
Monte Carlo Simulation of the Finite Molecular Films of the Nematic Liquid Crystal;
有限分子层向列相液晶Monte Carlo模拟的研究
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