Using this result we prove in this paper that every contractible polyhedron is an absolute retract.

The approach represents a new use of principles of simplicial homology in the formation of polyhedron.

该方法体现了拓扑学单纯同调论原理在形成多面体中的用途.

To erect ( such a configuration ) around a polygon or polyhedron.

确定 ( 这样一个结构 ) 围绕一个多边形或多面体.

Crystal shape fine, even, and polyhedron.

晶形良好 、 一致, 呈多面体状.

Modern enterprise is a polyhedron.

现代企业是一个“多面体”.

The assembly objects were described with convex polyhedron. Geometric features of the assembly objects were analyzed.

以凸多面体为装配对象,分析装配操作过程中装配对象的几何特性.

Polygin polyhedron, and other complicated products, Especially in sports, medical, automobile, and electrical applications.

多边 、 多角及其他复杂成品, 特别是运动用品 、 医疗用品 、 汽车用品 、 电子用品等精密性应用.

Organic polymer optical waveguides are fabricated with a guest-host system formed from polyimide and Disperse-Red 1.

采用聚酰亚胺为母体聚合物,分散红为发色团,制成了掺杂型有机聚合物光波导.

Polyimide fibers possess many advantageous properties , such as high strength , high modulus, heat resistance, radiation resistance.

聚酰亚胺纤维具有高强高模 、 耐高温 、 耐辐射等优良的性能.

The present invention relates to aromatic polyimide and its preparation and use.

本发明涉及一种芳香族聚酰亚胺及其制备方法和用途.

The present invention is a modified maleimide-terminated polyimide resin compound and the application.

本发明为一种改性马来酰亚胺封端型聚酰亚胺树脂组合物及其应用.

Spin coat the entire substrate with polyimide, dry and bake.

自旋大衣整个基板与聚酰亚胺, 干燥,烘烤.

The constituent and properties of the wettable polyimide adhesive 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 irradiated polyimide films with linearly polarized UV light can induce the liquid crystal molecules oriention.

用线性偏振紫外光照射聚酰亚胺膜可以诱导液晶取向.

Expose the front side with a pattern which defines the polyimide.

揭露前端的模式确定了聚酰亚胺.

A new kind of resinoid bond of diamond wheel toughened polyimide resin micro powder is presented.

介绍了一种新型金刚石砂轮结合剂——超细增韧聚酰亚胺树脂粉.

The paper introduces polyimide resin and its wheel's manufacturing and application.

本文介绍了聚酰亚胺树脂及其砂轮的制作和应用.

The polyimide is applied and patterned on a metal substrate ( copper ).

聚酰亚胺的应用和图案上的金属基板 ( 铜 ).

Some Anritsu Meter products are made of polyimide.

本公司提供了的一部分产品中使用了聚酰亚氨.

The new telechelic prepolymers of polyisobutylene have been synthesized carbocationic polymerization.

应用正碳离子聚合的方法合成新型聚异丁烯遥爪预聚物.

Mr English, an associate editor of the Guardian, is a polymath who wears his learning lightly.

英格力士先生是《卫报》的副编辑，是一位略显才华的博学者。