1.写出下列氨基酸的 Fischer 投影式，注明其 R 或 S： （1）L-丙氨酸 （2）甘氨酸 （3）L-丝氨酸 （4）L-组氨酸 （5）L-半胱氨酸

3.1 A brief history of western E.P. The foundation of E.P.: before 1920s Wundt,1879: methodology James, “Talks to the teachers” 1899; “The principles of psychology”1890; Dewey: apply psychology to education

对6炉微合金化高氮L45钢进行了长时间(1800s)加热时和快速(50℃/s)短时间(5s)加热时奥氏体晶粒长大试验。测定了奥氏体晶粒平均截线长度。在萃取复型透射电镜照片上利用图象分析仪测定了1#、3#和6#钢样中微细析出相的尺寸分布。利用透射电镜能谱仪分析了微细析出相的化学成分。还探讨了铝及微合金化元素钛、钒和铌与加热温度对高氮中碳钢奥氏体晶粒度的影响机制

一、直线方程 如果一个非零向量 s 可平移至直线 L上，则称 s 平行于L，记作 s // L.与直线平行的非零向量称为直线 L 的方向向量

第十章s、ds区元素 1.S区元素及常见阳离子的分离和鉴定 2.电子层构型的异同及某些性质的差异 3.ds区元素化合物的某些性质 (1)Cu(I)与Cu(Ⅱ)的稳定性及相互转化 (2)Hg与Hg(I)的结构特点 (3)Hg(I)与Hg(II)的稳定性及相互转化 (4)常见配合物的特点,类型及应用 (5)Cu2+,Ag+,Zn2+,Hg2+的分离及检出

[3-11单组元流体的热力学基本关系式有哪些? [3-2]本章讨论了温度、压力对H、S的影响,为什么没有讨论对U的影响?

Eco514 Game Theory Problem Set 3: Due Thursday, October 28 1. Asymmetric Auctions Consider an interdependent-values auction with two bidders, each of whom observes an i.i.d uniform signal E [0, 1]. Bidder i's valuation for the object is equal to vi

11-1: utput, Unemployment, and Inflation 11-2: The Medium Run 11-3: Disinflation: A First Pass 11-4: Expectations, Credibility, and Nominal Contracts 11-5: The U.S. Disinflation, 1979 to 1985

In the special case when E's are conditionally independent(though they all depend on the alternative, Ak), P(, E2..)= P(A... -)P() ()P) This is easy to do and can be done recursively

Section A Five Famous Symbols of American Culture Section B Engelbreit's the Name,Cute is My Game Section C Life in Low-Grade Terror