The principle and method for the trishear model were introduced.
2. 介绍了采用钎焊的方法进行连接;选择了相应的钎料与钎剂;并确定了工艺及措施。
This paper introduces the connection using the brazing technique, selects corresponding brazing filler metal and flux together with proper technology, and determines the techniques and measures.
3. 本文着重介绍了视频信号模拟器的设计与实现。
In this paper, the design and realization of simulator are emphatically introduced.
4. 介绍了国内轻柴油产品的实物质量,分析了目前我国轻柴油产品质量存在的问题,提出了改进的建议。
The status quo of domestic light diesel product was introduced and problems pointed out.
Performance evaluations such as resolving scale, improving water-phase permeability, washing off crude oil and corrosiveness of the agent on tubing steel are studied experimentally. Practical application is introduced in T437 and J7-145 wells of Henan oilfield.
6. 在这一级,基本概念,如氢键,离子和共价键简要介绍给学生。
At this level, basic concepts such as bonding, ionic and covalent bonds are briefly introduced to students.