一、选择题(共3题3分) 1.1分(4439) 4439银锌电池ZnZn2gg的(n21n)=-0.761V,(Ag1Ag)=0.799V,则该电池的标准电动势E是:() (A)1.180V (B)2.359V (C)1.560V (D)0.038V

NETWORK ECONOMIES Business network bamboo\network smuggling human trafficking chamber of commerce, untary- loca rotary, country club, etc Compulsory-belong to an organization. to survive or operate successfully e.g. accountant, bankers. Concept of networks ocially b inding ties hetween actors Global tribes- combination of ethnic

1.求下列无穷积分的值: d x dx(a>0); (4) e\sin bxdx(a>0

一、隐函数 1.方程sx+siny=e能否在原点的某邻域内确定隐函数

Rhythm in English speech is based on stress. rhythm unit节奏单位)is formed by stressed syllable, together with unstressed syllables which may come before the stress and after it.The unstressed syllables before the stress are said very quickly, so they are very short, as short as you can make them; but the stressed syllable is as long as before, so there is great difference of length between the unstressed syllables and the stressed one, e.g

THWAITES' METHOD (For calculating lominr, incompesible, L developomet) Task: Grien, deternine,, .. Integrae (Hnz) Approach: Use assumed profile family e.g. Falkmer- Skan

1.设交流电的变化规律为E(t)=Asin ot,将它转变为直流电的整流过程有两种类型: (1)半波整流(图16.1.5(a))

一、热辐射 辐射通量:温度为T时,频率v附近单位频率间隔dv内的辐射能量。 d(v,T)=(v,T)dv,e(v,T):辐射谱密度、辐射本领 吸收本领、吸收比:照射到物体上的通量d(v,T),其中被物体吸收的通量d(v,T)

1 Goodness of Fit Statistics We would like some measure of how well our regression model actually fits the data.* We have goodness of fit statistics to test this: i.e. how well the sample regression function (srf) fits the data. The most common goodness of fit statistic is known as R2. One