重庆电力高等专科学校：《大学英语》期末考试试题(供03/04下期用)

Part I Reading Comprehension (40%) Task 1 Directions: Choose the best answer from the 4 choices Air pollution can spread from city to city. It even spreads from one country to another. Some northern European countries have had\black snow\ from pollutants that have traveled through the air from other countries and have fallen

Unit One College-A New Experience Lead-in Vocabulary Outline Text Study Summary

Related Information 1. Newspaper newspaper, in broad sense, is an unbound publication issued at regular intervals that seeks to inform, analyze, influence, and entertain. A newspaper can be published at various intervals but usually appears weekly or daily

第一章工作介质及液压流体力学基础 本章重点: 1.液压油的粘温关系 2液体静力学基本方程 3流动液体的连续性方程和伯努利方程式的物理意义及其应用 4.小孔流动

第三章液压缸 本章重点: 1.单杆液压缸的速度和推力的计算 2.差动液压缸的工作特点及速度和推力的计算 3.液压缸的结构形式

Fluid statics Study of fluid at rest 1 e. not in motion or not flowing On any plane, shear force is zero(no velocity gradient or shear deformation hence only pressure forces exist

重庆大学：《流体力学》课程电子教案（建筑环境与设备工程专业，共十章）

第四章流动阻力和水头损失 复习思考题 1.怎样判别粘性流体的两种液态一—层流和紊流? 2.为何不能直接用临界流速作为判别液态(层流和紊流)的标准?

第七章渗流 复习思考题 1.何谓渗流模型,它与实际渗流相比有何区别。为何提岀渗流模型? 2.达西定律的适用条件是什么?与裘皮依公式的含义有何不同?