| 1. | Chemical energy may be converted to heat .
化学能可以转化为热能。 |
| 2. | He showed that the heat could be used to boil water .
他指出，热能使水沸腾。 |
| 3. | This liquid conducts heat energy very efficiently .
这种液体能十分有效地传导热能。 |
| 4. | All forms of energy are altimately converted into heat .
所有形式的能都转化为热能。 |
| 5. | Every bit of mechanical energy expended reappears as heat .
所消耗的每一点机械能都再现为热能。 |
| 6. | A serious problem with thermistors is that they tend to drift .
热能电阻的一个严重问题是容易漂移。 |
| 7. | The unit of heat energy commonly used in physics is the calorie .
在物理学中，热能单位一般用卡表示。 |
| 8. | The extra heat energy required to expand a gas against a constant pressure .
恒压下需要额外热能才能使气体膨胀。 |
| 9. | Energy is added to the air by direct combustion of gas in the air .
热能通过气体在空气中的直接燃烧而加入到空气中去。 |
| 10. | The proportion of thermal energy increases rapidly with increasing temperature .
随着温度的上升，热能的比例迅速上升。 |
