Primary Structure Sequencing Nucleic Acids核酸序列测定 Chain termination method (dideoxy method), developed by F. Sanger Base-specific chemical cleavage, developed by Maxam and Gilbert Both use autoradiography- X-ray film develops in response to presence of radioactive isotopes in nucleic acid molecules

外研版（三起）（2012）小学英语三年级下册Module 7 Unit 1 We fly kites in spring.课件(6)

1 Definitions The details of the velocity profile u() at any x location are rarely significant in engineering applications. The most significant quantities are integral thicknesses which describe the mass Alux, momentum flux, and kinetic energy flux in the shear layer:

外研版（三起）（2012）小学英语三年级下册Module 8 Unit 2 Daming flies a kite in the park.习题(2)

Objective To provide an overview of the importance of textiles in world history and in the United States (and Chinese) economy. 2. To describe the primary textile markets. Key Words:

Part Two Sounds in Connected Speech 1. Strong and Weak Forms 2. Assimilation and elision 3. Liaison 4. Length of a sound 5. Word stress 6. Sentence stress 7. Rhythm 8. Sense groups and Pause

外研版（三起）（2012）小学英语三年级下册Module 8 Unit 2 Daming flies a kite in the park.教案(1)

外研版（三起）（2012）小学英语五年级下册Module 1 Unit 1 We lived in a small house.Module 1 Unit 1 We lived in a small house.导学案

外研版（三起）（2012）小学英语五年级下册Module 1 Unit 1 We lived in a small house.Module 1 Unit 1 We lived in a small house.课件

Speech sounds seldom occur in isolation. They are nearly always joined together to form words and groups of words. In connected speech, sounds, under the influence of their neighbors,are replaced by other sounds. Sometimes two neighboring sounds influence each other and are replaced by third sound which is different from both the original sounds