| Section | Title |
| 1. | Introduction |
| 2. | Uses |
| 3. | Liquefaction Systems |
| 3.1. | Joule - Thomson Effect |
| 3.2. | Basic Linde - Hampson System |
| 3.3. | Precooled Linde - Hampson System |
| 3.4. | Linde Dual-Pressure System |
| 3.5. | Claude Liquefier |
| 3.6. | Liquefaction Systems for Natural Gas |
| 3.7. | Collins Helium-Liquefaction System |
| 3.8. | Miniature Liquefaction Systems |
| 3.9. | Comparison of Liquefaction Systems |
| 4. | Cryogenic Refrigeration Systems |
| 4.1. | Thermodynamically Ideal Refrigerator |
| 4.2. | Joule - Thomson Refrigerators |
| 4.3. | CVI Cold-Gas Refrigerator |
| 4.4. | Stirling Refrigerator |
| 4.5. | Vuilleumier Refrigerator |
| 4.6. | Solvay Refrigerator |
| 4.7. | Gifford - McMahon Refrigerator |
| 4.8. | Magnetic Refrigerators |
| 4.9. | Dilution Refrigerator |
| 5. | Components of Liquefiers and Cryocoolers |
| 5.1. | Cryogenic Heat Exchangers |
| 5.1.1. | Types of Cryogenic Heat Exchangers |
| 5.1.2. | Heat Exchangers for Dilution Refrigerators |
| 5.1.3. | Heat Exchanger Design Problems |
| 5.1.4. | Regenerators |
| 5.2. | Compressors |
| 5.3. | Expanders |
| 6. | Low-Temperature Separation Systems |
| 6.1. | Minimum Work of Separation |
| 6.2. | Properties of Mixtures |
| 6.3. | Flash Calculation |
| 6.4. | Principles of Cryogenic Rectification |
| 6.5. | Linde Single-Column System |
| 6.6. | Linde Double-Column System |
| 6.7. | Heylandt System |
| 6.8. | Argon Separation |
| 6.9. | Neon Separation |
| 6.10. | Physical Adsorption |
| 7. | References |