Guangdong Instltute of Textile Technolegy Introduction Fibers in which forming substance is cellulose acetate where not less than 92% of hydroxyl groups are acetylated: replacing -OH groups with -COCH3. Acetate: 2 of 3 -0H groups in each 6- member ring are acetylated; ~2.5 Triacetate: Nearly all -OH groups are replaced 2.91~2.96

Guangdong Instltute of Textile Technolegy Justification Textile materials are the basic materials. It is crucial to establish a basic understanding of the science governing the behavior of these materials. The course is taught in a bilingual system such that the students will have an opportunity to enhance their English ability while learning the key knowledge in textiles

Ch.8 Nonspherical Disturbance This chapter will assume that the full ideal conditions hold except that the covari- ance matrix of the disturbance, i.e. E(EE)=02Q2, where Q is not the identity matrix. In particular, Q may be nondiagonal and / or have unequal diagonal ele- ments Two cases we shall consider in details are heteroscedasticity and auto-

Lecture 4 Explanation Paragraph or Cause-effect Paragraph Objectives To learn what an explanation paragraph is To learn to write an explanation paragraph effectively Writing instruction In an explanation paragraph, you need to explain how or why something happens. Very often in social studies class, you will be asked to explore

ENGINEERING ECONOMICS II INVESTMENT ANALYSIS Companies(and individuals) invest money in order to earn money Examples Build a factory to make washing machines and dryers → Open laundromat Write novel(what is being invested here?) Get a degree in chemical engineering

Objectives （1).Writing competence (paragraph level) ·and4: Write150-to-200- word article in 30 minutes/ a piece of 60-word applied writing in 10 minutes. （ 2) thinking ability (classification, analysis, contrast or comparison etc) （3) basic computer skills (handling files and editing via Microsoft word...)

The primary task of the writing course is to familiarize and equip students with strategies and skills approaching the academic writing tasks needed in the university, and to meet the requirements of the Band 8 as well as Band 4 examination on writing. In addition, personal and academic development necessities such as creative

（1). Writing competence(paragraph level) Band 4: Write a 150-to- 200-word article in 30 minutes/ a piece of 60 ord applied writing in 10 minutes （2)thinking ability(classification, analysis, contrast or comparison etc)

Objectives Students will be able to: 1. understand the main idea (Bill Porter the salesman will never give in) and structure of the text (4 parts, 2 flashbacks); 2. appreciate the characteristics of journalistic writing; 3. grasp the key language points and grammatical structures in the text;

Students will be able to 1. understand the main idea and the structure of the text. 2 earn to memorize words in association 3. grasp the key language points and grammatical structures in the text 4. conduct a series of reading, listening speaking and writing activities related to the theme of the unit