查询词典 polyimide

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。

Fluxible PAA solution is deposited on quartz glass substrate by MicroPendirect-writing deposition process and imidized to polyimide sacrificial layer in oven;Au paste structural layers are fabricated by MicroPen direct-writing deposition technology,and finally released by oxygen plasma dry etching process.Technological procedures and mechanisms of the LMM direct writing technology arestudied systematically by theory analysis and experiments.

在设备和材料体系基础上，系统研究了基于激光-微笔／微喷直写工艺集成制造MEMS牺牲层、结构层及导电电极图形的工艺机理和质量控制规律，结果表明：(1)笔头内径、笔头与基片间距、驱动气压和直写速度是影响微笔直写沉积膜层线宽、膜厚及表面形貌的主要工艺因素。

Fluxible PAA solution is deposited on quartz glass substrate by MicroPendirect-writing deposition process and imidized to polyimide sacrificial layer in oven;Au paste structural layers are fabricated by MicroPen direct-writing deposition technology,and finally released by oxygen plasma dry etching process.Technological procedures and mechanisms of the LMM direct writing technology arestudied systematically by theory analysis and experiments.

在设备和材料体系基础(来源：A70BC论0c文网www.abclunwen.com)上，系统研究了基于激光-微笔／微喷直写工艺集成制造MEMS牺牲层、结构层及导电电极图形的工艺机理和质量控制规律，结果表明：(1)笔头内径、笔头与基片间距、驱动气压和直写速度是影响微笔直写沉积膜层线宽、膜厚及表面形貌的主要工艺因素。

The constituent and properties of the meltable polyimide adhensive and others are introduced.

本文介绍了可熔性聚酰亚胺胶粘剂与其他二种胶粘剂的结构及使用特点。

The constituent and properties of the meltable polyimide adhensive and others are introduced.

摘 要：本文介绍了可熔性聚酰亚胺胶粘剂与其他二种胶粘剂的结构及使用特点。

It is shown that the meltable polyimide not only has excellent heat-resisting properties, but also has good vacuum properties. Therefore it can be used in vacuum as a high temperature adhensive.

通过分析比较可以看出可熔性聚酰亚胺不仅具有优良的耐高温特性，而且还具有良好的真空性能，因此，它完全可能作为真空中使用的耐高温胶粘剂材料。

This paper bescribes the preparation of a kind of auto-photosensitive polyimide which contain organo-silicone moity chain in main chain.

提出了一种在主链中引入硅氧烷结构的方法来改善自增感光敏聚酰亚胺的某些物性。

And we have demonstrated through differential scanning calorimetry, thermogravimetry,XPS and SEM analysis that the formation of highly reflective and conductive silver layers on polyimide film is a result of the silver-catalyzed and oxygen-assisted decomposition of the polymer overlayer and the self-accelerated aggregation of silver clusters on the film surface.

并通过差示扫描量热、热失重、XPS和SEM分析证明了聚酰亚胺表面高反射高导电银层的形成是在银催化下、氧气辅助的表层聚合物降解和表层银颗粒自加速聚集共同作用的结果。

Polyimide films capped with nonreactive phthalimide end groups were synthesized with theoretical number average molecular mass of 10000 and 30000 calculated using the Carothers equation. The effect of end-capper on the thermal properties was studied by investigating the change of the glass transition temperature T(subscript g of films after cured at high temperature.

制备了经邻苯二甲酸酐封端的理论数均分子量为10000和30000的聚酰亚胺薄膜，通过差示扫描热分析测定薄膜高温热处理前后玻璃化温度的变化，研究了PA封端对ODPA/ODA聚酰亚胺薄膜热稳定性能的影响。

The effects of imidization method,coagulation bath and temperature were studied on the structure and separation performance of polyimide membrane,prepared by using pyromellitic dianhidride and 4,4′-oxydianiline as raw materials.

针对以均苯四甲酸二酐和4， 4′-二氨基二苯醚为原料合成聚酰亚胺的过程，研究了亚胺化方法、凝胶浴组成与温度等条件对膜的结构和分离性能的影响。

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。