一、例题精解 【例题6.1】图6.1(a)所示电路中,已知R=R1=R2=R3=22,C=1F,L=1H, E=12V。电路原来处于稳定状态,t=0时闭合开关S.试求初始值i(0+)ic(0+)、u(0+)、 uc(0) R

一、例题精解 【例题4.1】有一三相电路如图4.1所示,负载为星形联接,电源为三角形联接,ARLB图4.1例题4.1的图 已知R=12Q2,X1=9Q2,U1=380V。试求: (1)负载的相电流 (2)电源的相电流; (3)负载消耗的总功率;

Outline Review u Examined basics of GPS signal structure and how gnal is tracked a Looked at methods used to acquire satellites and start g Today we look at

1. Basic Knowledge of GPS In 1973, DOd organized a Joint P Office (JPO) located at the U.S. Air Force Systems Command's Space The s Second Lecture Division, Los Angeles Air Force Base(AFB)to what?

1.热力学函数与配分函数的关系对于定位体系和非定位体系都相同的是: a.、F、s b.U、H、 、H、C dG、H、C 2.NH3分子的平动、转动、振动自由度分别为

明确热力学第二定律的意义,了解自发变化的共同 性质;了解第二定律和卡诺定理的联系;掌握U、H、S、F、 G的定义及其物理意义。明确△G在特定条件下的意义及 其判据作用;熟练地计算一些简单过程中的△S、△H、△G 及利用范特霍夫等温式判别化学反应的方向。熟练地运 用吉布斯一亥姆霍兹公式、克拉贝龙和克劳修斯一克拉 贝龙方程式,明确偏摩尔和化学势的意义、热力学第三 定律的意义及其相关计算

Note can develop good approximation of key aircraft motion(Phugoid) using simple balance between kinetic and potential energies. Consider an aircraft in steady, level flight with speed U and height ho. The motion is perturbed slightly so that

The forced response The steady state responseThe(t) has been switched into the circuit at some remote U.=V. cos ot time in the past, and the natural response has died-out completely. The forced response(steady state response)must satisfy the differential equation

Alexander Hamiton (1755~1804) Encarta Encyclopedia, Hulton Deutsch One of the boldest American political thinkers of his time. Hamilton developed the doctrine of implied powers, which supports liberal interpretation of the U.S Constitution. He also served as the nation's first secretary of the treasury

一、填空题(每小题2分,共20分) 1、在Q、W、U、H、S、G、T等物理量中, 属于体系容量性质的有 属于体系强度性质的有 属于体系状态函数的有 属于过程函数的有