英语论文分析学习-第1节-introduction.ppt

Example: However, the use of ….results in such a degree of spherical aberration that radical design changes have become necessary. However, the use of ….results in such a degree of spherical aberration that radical design changes have become necessary. Contents of an introduction Announcing present research (method) Important points about the methodology used are outlined, perhaps including the scope of the study. However, the methodology is not given in detail (since details are given in the methodology section). Practice: Read the introduction of your selected paper, and find the signal words, “this paper studies/presents/…” Contents of an introduction Example3: Different operating modes of the MESFET mixers, gate mixers, drain mixers, and resistive mixers were investigated in this work and the results proved that good conversion characteristics could be achieved. (Angelov, 1991) Contents of an introduction Example3: Different operating modes of the MESFET mixers, gate mixers, drain mixers, and resistive mixers were investigated in this work and the results proved that good conversion characteristics could be achieved. (Angelov, 1991) Contents of an introduction Announcing principle findings (results) Researchers may indicate the kind of results they obtained, or an overall summary of their findings. A Thesis statement(主旨陈述） : --what you’ll prove --the argument --the scope --the main idea --the purpose of the paper Contents of an introduction Practice: check from sample 3 to locate the sentences which state the Purpose of the research. This part answer three questions: Outlining purpose and/or Announcing present research/method and/or Announcing principle findings (results) Try to find the information based on the above. Contents of an introduction State Value of Research by 1.Indicating benefits of current research 2.Indicating directions for further research Contents of an introduction Example1:“ The paper further suggests a multidisciplinary mana