starting course
5.This essay combines the structure characteristics of the steam turbine N300 —16.7/537/537 of Guangzhou Zhu Jiang Power Plant, analyzes the reasons of the No.2 bearing vibration increase during the hot starting and the add load course, summarizes the effectual measure from actual operation experience for the reference to deal with the similiar problems.
7.This paper has made some analyses, discussions and researches on "low starting point and high qualities" math teaching mode and course building, based on the teaching practices and researches of elementary number theory, and the significance, principles, teaching objectives, teaching requirements and teaching features in the curricular building researches.

