一、实习目的:使学生掌握闭合导线外业(测角、量边)的观测方法

§4.1 钢尺量距 §4.2 电磁波测距简介 §4.3 直线定向及方位角测量

广东纺织职业技术学院：《纺织材料学》课程教学资源（PPT课件）第九章 织物的力学性质（Fabric Physical and Mechanical properties）

大连交通大学轨道交通技术学院：《机械工程材料》课程PPT教学课件_金属及合金的结晶

Guangdong Inatitute of Textile Technolegy Introduction The larva of certain insects for use in their building webs, climbing ropes and cocoons 0Spiders 0Commercial silk industry: use larva of silkworm o Application: Mostly apparel, was also used for parachutes

Guangdong Instltute of Textile Technolegy Island in sea Manufacturing process Suspension of droplets of one component in matrix of the other Two components should have similar melting temperatures Can make composite fiber

Guangdong Institute of Textile Technolegy Outline gCarbon fibers 0Glass fibers 0Aramid fibers Ultra High Modulus Polyethylene fibers

Guangdong Institute of Textile Technolegy Structures of wool fibers Submicrostructure Cotex core of the wool fiber: 90% of the fiber volume, consists of countless long, spindle-shaped- cells held together by intercellular cement

Guangdong Instltute of Textile Technolegy Fiber Properties and Identification 0Mechanical properties Tensile properties Tensile deformation

一、织物外观保持性 二、织物的尺寸稳定性 三、织物的透通性