查询词典 polyimide

The changes of structure and property of polyimide film were studied at high carbonization temperature in N2 atmosphere.

研究了在氮气流保护下，聚酰亚胺薄膜在高温炭化过程中结构和性能的变化规律。

The Cardo structure could increase the solubility and thermal stability of the resultant polyimide.

通过在聚酰亚胺的主链中引入庞大侧基（9，9-二苯基芴）形成轴状聚酰亚胺，同时提高聚酰亚胺的溶解性和热稳定性；庞大的侧基又能阻止链的堆砌，避免生色团荧光链间淬灭；通过加入第二种二酐单体合成三元缩聚型聚酰亚胺，调控荧光性二酐在聚酰亚胺中的含量，降低生色团在聚酰亚胺中的浓度，来避免生色团荧光浓度淬灭，增加聚酰亚胺的固态荧光量子效率；通过使用热稳定性好的稠环生色团苝和吖啶来避免共轭类生色团（如含双键或三键的生色团）在高温下热交联及氧和水的破坏。

In this paper,a kind of flexible cantilever beam electromagnetic optical switch which is used in the wave length channel selection system was designed and fabricated. It is manufactured by MOEMS technology and composed of a plane circular coil in flexible polyimide cantilever beam, cylindrical permanent magnet,substrate and reflector prism with two reflecting surfaces.

设计并制作了一种用于波长信道选择系统的新型柔性悬臂梁电磁驱动光开关，该光开关采用MOEMS技术制作，由带有平面螺旋形线圈的聚酰亚胺悬臂梁、圆柱形永磁体、基座以及双面反射棱镜组成。

The polyimide coition gas membrane can effectively get rid of acid gas of H2S by changing craftwork condition.

结论］聚酰亚胺致密气体膜通过改变工艺条件可有效脱除H2S酸气。

The requirement of matrix resin for the high frequency and high performance copper clad laminate was introduced and polyphenylene ether resin, cyanate resin and polyimide resin were also discussed in detail.

介绍了高频高性能覆铜板对基材的性能要求，详细讨论了聚苯醚树脂、氰酸酯树脂及聚酰亚胺树脂的特性，并简要介绍了各种树脂基覆铜板的应用情况。

The company's main business for the enamelled round aluminum wire, copper clad aluminum wire and bare Wire manufacturing and sales, led 220 Products for polyester composite polyimide enamelled round aluminum wire, copper clad aluminum wire and bare wire, etc. widely used in: Microwave oven transformers, three-phase power transformers, low voltage control transformer, dual hot washing machine motor, rectifier, large screen color TV degaussing coil, kitchen electrical, magnetic ore sorting equipment, automobile spare parts and wire and cable and so on.

公司的主营业务为漆包圆铝线、铜包铝线和裸铝丝的制造和销售，主导产品为220级聚脂复合聚酰亚胺漆包圆铝线、铜包铝线和裸铝线等，广泛应用于：微波炉变压器、三相电力变压器、低压控制变压器、洗衣机双热电机、整流器、大屏幕彩电消磁线圈、厨房电机、磁矿选设备、汽车备件及电线电缆等。

Methods : Unilateralism cloth irrigated in advance made by enlace method ,Unilateralism carbon fiber CF polyimide PI composite composed by heat press molding .

用缠绕法制得单向预浸布料，热压成型制作单向聚酰亚胺/碳纤维复合层压板复合材料，并测试其弯曲强度，弹性模量。

The results of isothermal aging at 300℃ indicated that the glass cloth reinforced plastic of this polyimide can be used in the range of 250-300℃ for long period.

实验证明树脂溶液是单体的酯铵盐溶液，解决了树脂溶液分层的问题。

However, we have also found that a suitably grooved polyimide surface can act to induce a uniform alignment alone.

同时我们也发现，具有适当沟槽结构的聚合物表面可以独自诱导良好的液晶排列。

The variety of group position in polyimide molecular chains had little influence on the thermal stability and antioxidation property.

聚酰亚胺分子链中基团位置的变化对热稳定性及抗热氧化性能的影响较小。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。