The second polyimide polymer is prepared with aromatic tetracid dihydride and aromatic diisocyanate.

第二种聚酰亚胺聚合物是芳香族四酸二氢化物与芳香族二异氰酸酯反应生成的。

Polyimide is a macromolecule polymer material.

聚酰亚胺是一种高分子聚合物材料。

The thickness of the polyimide substrate is normalized.

对波带片聚酰亚胺衬底的厚度进行了归一化。

Polyimide film has excellent performance, so it was widely used in various fields.

聚酰亚胺薄膜性能优异，广泛应用于各种领域。

Polyimide film has been the ideal flexible substrate for its physical and chemical performance.

聚酰亚胺薄膜由于其良好的物理化学性能，成为柔性衬底的理想材料。

Polyimide membranes with high proton conductivity as well as good water stability were developed.

得到了既具有较高的质子导电率又有良好耐水性的磺化聚酰亚胺膜。

Coils are made of single polyimide wire wrapped with glass fibre. The insulation level is Class h.

线圈均由单玻璃丝聚酰胺漆包线制成，绝缘等级为H级。

The results showed that the state of polyimide moulding powder changed with heat treating temperature.

结果表明：随着热处理温度的不同，模塑粉的结晶形态也相应发生变化。

The production technology, applications and product prices of polyimide film were overviewed in this article.

综述了我国聚酰亚胺薄膜的生产技术、应用以及产品价格。

Widely used in epoxy and polyimide, such as phenolic resin, can improve the mechanical properties of products.

广泛应用于环氧、聚酰亚胺、酚醛等树脂中，可有效提高制品的机械性能。

By controlling the thickness of coated polyimide, the loss of the hollow waveguide can be reduced at different wavelength.

通过控制聚酰亚胺膜的厚度，可以对银空芯波导在特定的波长处有降低损耗的作用。

Compared with polyimide, PAI has been much improved in the performances as in adhesion, wearingproof, creeping and shaping.

与聚酰亚胺相比，其在粘接性、耐磨性、蠕变性、易加工成型性等方面均有很大提高。

The contact bulges under the bridge are achieved by the full etching and partial etching of the polyimide sacrificial layer.

在工艺上，特别采用了对聚酰亚胺牺牲层进行全刻蚀和半刻蚀的改进加工流程来实现桥背面的接触点。

The composition, the molecular and the characteristics of polyimide (PI) fiber as a precursor of carbon fibers were introduced.

介绍了作为碳纤维前驱体的聚酰亚胺（PI）纤维的组成、分子结构和特性；

The changes of structure and its effect on performance of polyimide film have been studied at different carbonization temperature.

研究了聚酰亚胺薄膜在不同碳化温度下，材料内部结构转变规律及其对材料性能的影响。

The recent development of polyimide adhesives was reviewed in this paper, which include its structure, properties and application.

聚酰亚胺胶粘剂是一种重要的结构胶粘剂，本文综述了近年来聚酰亚胺胶粘剂的研究进展。

On this basis a new method for fabricating polyimide ridge waveguides by photobleaching technique and using metal mask is proposed.

并在此基础上，提出了以金属掩模，利用光漂白技术制备聚酰亚胺脊型光波导的新方法。

The humidity sensor device consists of comb electrodes, a comb polysilicon heater and the polyimide as the moisture sensing material.

本文研究的新型结构由梳状铝电极、梳状多晶硅加热条以及用作感湿材料的聚酰亚胺组成。

The tensile strength of polyimide film will also be affected by the temperature of de-solvent and the heating way of thermal imidization.

不同的去溶剂温度和热亚胺化的升温方式对聚酰亚胺薄膜拉伸强度也有较大的影响。

Photosensitive polyimide (PSPI) that possessed both heat-resistant and sensitive properties has attracted great interests in many fields.

光敏聚酰亚胺(PSPI)是兼有耐热性能和感光性能的一类高分子材料。

The closed cell polyimide foams were fabricated by foaming the precursor balloons, and the foams' acoustic absorption properties were tested.

采用前驱体微球法制备闭孔聚酰亚胺泡沫，并对其吸声性能进行了研究。

Poly (ether imide) (PEI) is a modification kind of high performance polymer, which adds a ether bond to macromolecular chain of polyimide (PI).

聚醚酰亚胺(PEI)是在聚酰亚胺(PI)链上引入醚键形成的一类高聚物。

Base materials for printed circuits. part 2: specifications. specification no 15: flexible copper - clad polyimide film, of defined flammability.

印刷电路用基材。第2部分：规范。15号规范：规定易燃性的包铜软聚酰亚胺薄膜。

The effect of coating conditions on the membrane distillation properties of the obtained polyimide microporous composite membrane was investigated.

研究了涂覆工艺条件对所得聚酰亚胺疏水微孔复合膜的膜蒸馏性能的影响。

Scanning tunneling microscope (STM) is exploited to characterize morphologies and molecular structures of polyimide Langmuir-Blodgett(LB) monolayers.

扫描隧道显微镜（STM）被用来表征聚酰亚胺LB膜的形貌及分子排列结构。