Description
DOVER PUBLICATIONS Electron Correlation In Molecule by S. WILSON
Electron correlation effects are of vital significance to the calculation of potential energy curves and surfaces, the study of molecular excitation processes, and in the theory of electron-molecule scattering. This text describes methods for addressing one of theoretical chemistry's central problems, the study of electron correlation effects in molecules.Although the energy associated with electron correlation is a small fraction of the total energy of an atom or molecule, it is of the same order of magnitude as most energies of chemical interest. If the solution of quantum mechanical equations from first principles is to provide an accurate quantitative prediction, reliable techniques for the theoretical determination of the effect of electron correlation on molecular properties are therefore important. To that end, this text explores molecular electronic structure, independent electron models, electron correlation, the linked diagram theorem, group theoretical aspects, the algebraic approximation, and truncation of expansions for expectation values. Part I: BASIC ELECTRICITY.1. Atomic Structure.2. Electrical Quantities and Ohm's Law.3. Measuring Instruments.4. Electrical Circuits.5. Electrical Services.6. Wire Size and Voltage Drop.7. Inductance.8. Capacitance.Part II: CONTROL CIRCUITS.9. Schematic and Wiring Diagrams.10. Developing Wiring Programs.Part III: MOTORS.11. Split-Phase Motors.12. The Shaded-Pole Induction Motor.13. Multispeed Motors.14. Three-Phase Motor Principles.15. The Squirrel-Cage Induction Motor.16. The Wound Rotor Induction Motor.17. The Synchronous Motor.18. Brushless DC Motors.Part IV: TRANSFORMERS.19. Isolation Transformers.20. Autotransformers.21. Current Transformers.Part V: CONTROL COMPONENTS.22. Overloads.23. Relays, Contactors, and Motor Starters.24. The Solid-State Relay.25. The Control Transformer.26. Starting Relays.27. Variable-Speed Motor Control.28. The Defrost Timer.29. The Thermostat.30. Pressure Switches.31. The Flow Switch.32. The Humidistat.33. Fan-Limit Switches.34. The Oil-Pressure Failure Switch.35. Solenoid Valves.36. The Short-Cycle Timer.37. Methods of Sensing Temperature.38. Gas Burner Controls.39. Oil Burner Controls.Part VI: TROUBLESHOOTING USING CONTROL SCHEMATICS.40. Introduction to Troubleshooting.41. Room Air Conditioners.42. A Commercial Air-Conditioning Unit.43. Heat-Pump Controls.44. Packaged Units: Electric Air Conditioning and Gas Heat.Part VII: ICE MAKER AND REFRIGERATION CONTROLS.45. Household Ice Makers.46. Commercial Ice Makers.47. Refrigeration Controls.Part VIII: SOLID-STATE DEVICES.48. Resistors and Color Codes.49. Semiconductor Materials.50. Diodes.51. Light-Emitting Diodes (LEDs) and Photodiodes.52. The Transistor.53. The Unijunction Transistor.54. The Silicon-Controlled Rectifier and GTO.55. The Diac and SBS.56. The Triac.57. The Operational Amplifier.Part IX: SOLID-STATE CONTROLS.58. Programmable Logic Controllers.59. Programming a PC.60. Analog Sensing for Programmable Controllers.Glossary.Index.