聚酰亚胺

Value of Resin Flow, Peel Strength and Solder Heat Resistance are those of Laminate using AD (40μ m) as adhesive in press-bonding polyimide film (50μ m) with unclad FPC.

粘接剂加热流动，剥离强度和耐锡焊高温性能是指50μ m 的聚酰亚胺薄膜与 FPC，用纯胶粘接时的数值。

To simplify the fabrication, the encapsulation is carried out under constant pressure.It is illuminated that grid Au upper electrode has more uniform electric field, and slot electrode has larger interface with environment, consequently larger sensitivity.

研究结果表明，电容式湿度传感器栅格结构的Au上电极具有均匀的电场，而条形上电极结构聚酰亚胺感湿薄膜与外界的接触面积更大，拥有更大的灵敏度。

In the pervaporation-aided esterification of valeric acid with ethanol, the valeric acid conversion is up to 95. 2%. The data about M5 selectivity and flux are measured for poly-component reacting system.

应用本文研制的化学改性聚酰亚胺膜，研究了渗透蒸发分离过程在戊酸乙酯合成反应中的应用，实验得到的戊酸最大转化率是95.2%，并研究了膜对多元反应物系的选择性，及膜的透过量。

The results show that the addition of triamine monomer has no obvious influences on chemical structures and aggregative states of polyimide precursors and the imidized products.

结果表明，三胺单体的加入对聚酰亚胺前体及其泡沫的化学结构和聚集态结构没有明显的影响。

Polyimide/nano carborundum composite films were made from pyromellitic dianhydride、4, 4'-aminodiphenyl ether、N, N'-dimethyl acetamide and nanometer carborundum.

以均苯四甲酸二酐、4，4'-二氨基二苯醚、N，N'-二甲基乙酰胺为原料，经化学合成反应制备了聚酰亚胺／纳米碳化硅复合薄膜。

In our study, polyimide hybrid films containing bimetalic compounds were prepared by codoping poly with a bariumand titanium precursor prepared from Ba(CH_3COO)_2, Ti_4, and acetic acid followed by casting and thermal curing.

陶瓷粉BTL是由Ba(CH_3COO)_2，Ti_4和乙酸制成的钡钛前驱物，采用溶胶凝胶法合成，并由红外光谱和X-射线衍射图证明，在650℃BTL完全转化为BaTiO_3晶体。 3。通过两步法合成含陶瓷粉的聚酰亚胺复合材料。

The chlorion sensitive field effect transistoris made by a core with two field effect transistors,one as Ref-ISFET by polyimide membrane as Ref-gate,another as Work-ISFETby silver chloride membrane as sensitive gate.

本文采用两个场效应管并联的芯片，在其中一个的栅区以聚酰亚胺膜作为参比膜，另一个的栅区以氯化银膜作为氯离子敏感膜，制成氯离子敏感场效应晶体管。

The copolycondesation type polyamic acid was synthesized by using pyromellitic dianhydride and 3,3',4,4'-benzophenonetetracarboxylic dianhydride as the dianhydride monomers, 4,4'-diamino diphenylmethane and 4,4'-oxydianiline as the diamine monomers under microwave irradiation in dimethylformamide.

在N，N'-二甲基甲酰胺溶剂中，以均苯四甲酸酐和3，3'，4，4'-二苯酮羧酸二酐为二酐单体，4，4'-二氨基二苯醚和4，4'-二氨基二苯甲烷为二胺单体，采用微波辐射低温溶液共缩聚，合成了聚酰胺酸预聚体，然后亚胺化脱水、环化，生成共缩聚聚酰亚胺。

In order to improve the stability of the photoaligned film,a sort of polyimide material was mixed.The new azodye dopant aligning layer produced a high qualitative surface alignment,which resulted in fast response performance and good electrooptical performance.

由于聚酰亚胺良好的成膜性使得这种光诱导取向膜具有很好的稳定性，偶氮类染料的引入使得液晶表面取向更加有序，从而获得了响应快速，电光特性优良的液晶盒。

The first generation microthruster integrates a polyimide peristaltic pump with an electrostatically actuated valve, pressure sensors and a temperature sensor.

第一种微推进器集成了聚酰亚胺蠕动泵、静电主动阀、压力传感器和温度传感器。

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。