| 1. | Both the monomer and the polymer network will depress phase transition temperatures 不同的液晶态可通过控制铁电液晶的温度来获得。 |
| 2. | 4 , all the compounds in their liquid crystal state can be easily oriented in the direction of external force 四,所有化合物在其液晶态均易在外力作用下,沿外力方向取向。 |
| 3. | 3 , the liquid crystalline texture of all the compounds can be kept for a long time at room temperature upon quenching from the melt 三,所有化合物的液晶态织构均可经降温后在室温下长期保存下来。 |
| 4. | The tm and tj of compounds 18 ii and 16 ii which have the trans conformation is higher than those of compounds 18 i and 16 i having cis conformation 化合物16和18中,反式构型的化合物16ii和isll的熔点和液晶态的清亮点均高于顺式构型的化合物161和isi 。 |
| 5. | With the increase of the end - group ' s volume , the melting points and clearing points followed the same trend while the stability of liquid crystalline states became worse 随着末端基脂肪链体积的增大,熔点和清亮点具有同样的变化趋势,液晶态的稳定性变差。 |
| 6. | The polymerisation of the monomer is carried out by uv curing the mixture when it was kept in a specific phase which can be obtained by controlling the temperature of the ferroelectric liquid crystal 单体的聚合通过维持该混合物处在一定的液晶态的条件下经紫外线固化来完成。 |
| 7. | The liquid crystalline field of the polymers could be well kept at room temperature and the initial decomposition temperature of all the polymers was higher than the clearing point 所有聚合物的熔点都非常低,表明合成的一系列液晶聚合物非常容易进入液晶态,并且液晶场能够很好地保存到室温。 |
| 8. | Like other liquid crystals ( lc ) , chorlesteric phase liquid crystal ( clc ) not only owns liquidity , deformability and viscosity of liquid , but also holds the optical anisotropy of crystal 胆甾相液晶同其他液晶态物质一样,既有液体的流动性、形变性、粘性,又具有晶体的光学各向异性,是一种优良的非线性光学材料。 |
| 9. | The impacts of the volume of end groups on the properties of synthesized polymers were also investigated . all the polymers had lower melting points , which indicated that the polymers could easily turn into a liquid crystalline state 考察了横向液晶基元含量对聚合物溶解性、液晶态和化学结构的稳定性的影响,以及末端基大小对聚合物性质的影响。 |
| 10. | The compounds with symmetric structure and different size crown ether rings , 16 and 18 , have higher tm and tj than those of the compounds 17 with the asymmetric structure . the tm and ti of compounds 18 is higher than the compounds 16 含有对称结构和不同大小冠醚环的化合物, 16和18 ,它们的熔点和液晶态的清亮点高于含有不对称冠醚环的化合物17 ,且化合物18的熔点和液晶态的清亮点也高于化合物16的熔点和清亮点。 |