Allylic 1-3-Strain as a Controlling Element in Stereoselective Transformations TSO(2C)4 R. W. Hoffmann, Angew. Chem. Int. Ed. Engl. 2000, 39, 2054-2070 CH2)lOTs Conformation Design of Open-Chain Compounds

1 Codes: C: complete (>80%); P: partial (50-80%); S: small (<50%); V: variable (approximate percentage when known); R: recovered but no quantitative information available; NR: not recovered

定义 7－1：如果两个整数 a，b 被模 m 除后有相同的余数 r，即： a=q1m+r，b=q2m+r 则称 a,b 对模 m 同余，记作 a≡b mod m。 否则称 a,b 对模 m 不同余，记作 a≡b mod m

1固体Fe、FeO、Fe3O4与CO、CO2达到平衡时,其独立化学平衡数R,组分数C和自由度数f分

Teaching Content The first section of Lesson Five Speech on Hitler's Invasion of the U.S.S.R. Teaching Objectives A. Enable students to become acquainted with the historical background of World War and Winston Churchill's life career

Combustion hydrodynamics Heat Transfer Mass Transfer Chemical Reaction Physical Procedures Chemical Procedure National Lab. of Coal Combustion. HUST Wuhan 430074 P.R. CHINA

1. Names of people （ 1) ampere [5AmpeE(r) ]n.安培-----from French physicist Ampere. （2) farad [ 5fArEd ]n.[电]法拉(电容单位)-----from British physicist Faraday

1 Theory of Isothermal Free Jet Free jet Jet without the limitation of solid boundary 1. General Properties National Lab. of Coal Combustion. HUST Wuhan 430074 P.R. CHINA

1、氢原子处在基态 求: (1)r的平均值;

一、例题精选 【例题22.1】当基本RS触发器的R和S端加上图22.1所示的波形时试画出Q 端的输出波形。设初始状态为“0”和“1”两种情况