国家开放大学：2008—2009学年第一学期“开放专科”工程造价管理专业建筑工程估价期末试题（1月）

国家开放大学：2008—2009学年第一学期“开放专科”工程造价管理专业建筑制图基础期末试题（1月）

第一节 概论 第二节 各类油脂及原料 第三节 食用油脂的性状与成分

第一节 嗜好饮料 第二节 功能食品

第一节 概论 第二节 肉品原料 第三节 乳品 第四节 蛋品原料

Outline Carbon fibers Glass fibers Aramid fibers Ultra High Modulus Polyethylene fibers Carbon nanotubes Ceramic fibers Mechanical properties of fibers

Course Syllabus Textbook – Kathryn L. Hatch, Textile Science, West Publishing Company, 1993. Reference book – Yao, M. et. al. Textile Materials (in Chinese)

Micro fibers Definition Fibers of < 1 denier Manufacturing of microfibers Bicomponent fibers: Island in sea Citrus

Introduction Fibers in which forming substance is cellulose acetate where not less than 92% of hydroxyl groups are acetylated: replacing -OH groups with - COCH3

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