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| 1. | Cracking involves the chemical breakdown of higher, less volatile hydrocarbons into smaller molecules |
| 裂化是使较重的低挥发性的碳氢化合物分裂成较小分子的化学分裂。 |
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| 2. | chemical breakdown |
| 化学损坏 |
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| 3. | Chemical breakdown caused by radiant energy. |
| 光解作用由光能引起的化学分解 |
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| 4. | BILIRUBIN- Chemical breakdown product of hemoglobin. |
| 胆红素——血色素化学损坏的产物。在实验室由血液检测中评估肝功能。 |
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