Thorndike called the association between sense impressions and impulses to action a bond or a connection. This marked the first formal attempt to link sensory events to behavior. Earlier brands of associationism attempted to show how ideas became linked together; thus Thorndike's approach is quite different and can be regarded as the first modern theme, of learning. His emphasis

3-1 Covalence bond Theory 3-2 Molecular Orbital Theory 3-3 the structure of diatomic molecules

复旦大学：《发展经济学》阅读材料与文献_Stagflationary effect of government bond financing in the transforming Chinese economy：a general equilibrium analysis

复旦大学：《普通化学 General Chemistry》课程教学资源（课堂讲义）Chap 3 - Chemical Bonds, Valence Bond Method, and Molecular Shapes

§1 Treatment of variation method for the H2+ ion §2 Molecular orbital theory and diatomic molecules §3 Valence bond(VB) theory for the hydrogen molecule and the comparison VB theory with Molecular Orbital theory(MO)

Convertible bonds（PPT讲稿）Bond instruments with equity-linked features

《金融投资学》教学资源（英文文献）Bond and Stock Market Response to Unexpected Earnings Announcements

§1 Treatment of variation method for the H2+ ion §2 Molecular orbital theory and diatomic molecules §3 Valence bond(VB) theory for the hydrogen molecule and the comparison VB theory with Molecular Orbital theory(MO)

北京化工大学：《有机化学》课程教学资源（双语习题与答案）Chapter 03 Reactions of Alkanes（Bond-Dissociation Energies, Radical Halogenation, and Relative Reactivity）

北京化工大学：《有机化学》课程教学资源（英文讲义）Chapter 3 Reactions of Alkanes：Bond-Dissociation Energies, Radical Halogenation, and Reactivity