| 1. | The oxygen cycle involves both oxidation and reduction .
氧的循环包含氧化和还原。 |
| 2. | The aging phenomenon coincided with oxygen absorption .
老化现象与氧的吸收密切相关。 |
| 3. | The respiratory tract conveys oxygen-rich air to the lungs .
呼吸道给肺输送富氧的空气。 |
| 4. | Another source of industrial oxygen is obtained by the electrolysis of water .
工业用氧的另一来源是由水的电解制取。 |
| 5. | Spectroscopic emulsion should be stored in a dry, oxygen-free environment .
光谱测量用的乳胶应贮存在干燥、无氧的环境中。 |
| 6. | The adhesive forces were found to be related to the metal to oxygen chemical-bond energy .
已经发现，粘着力与金属-氧的化学结合能有关。 |
| 7. | For the same amount of carbon, there is twice as much oxygen as in carbon monoxide .
同一份量的碳，所需要的氧的分量却是一氧化碳的二倍。 |
| 8. | The extrusion of silica-rich lava, the rooiberg felsite, occurred on a grand scale .
富于硅氧的岩流及罗依山霏细岩的喷出作用占据了广大面积。 |
| 9. | The researchers related these changes to the heart muscle's greater need for oxygen when alcohol is in the body .
研究人员认为，这些改变是与在体内有酒时，心肌对氧的需要增大有关。 |
| 10. | The oxygenator, which gives the blood the oxygen with the body needs, is also part of the heart-lung machine .
心肺机中含有一部分叫供氧器，是往血液里送氧的，而氧是血液里所必需的。 |
