1. 'joule'是英语词汇，它的中文翻译是“焦耳”，是用来表示能量的国际单位，以其创立者詹姆斯·普雷斯科特·焦耳的名字来命名的。
2. Joule's law states that the internal energy of an ideal gas is directly proportional to its temperature at a constant volume.（焦耳定律表明理想气体的内能在定容条件下与温度成正比。）
3. The mechanical equivalent of heat is the amount of mechanical work necessary to produce a unit of heat, as defined by Joule's law.（热与机械的等价关系是指根据焦耳定律定义的产生单位热量所需的机械功。）
4. The joule is a derived unit of measurement that is used to express energy, work, or heat.（焦耳是一种用于表示能量、功或热的派生计量单位。）
5. Joule was a prominent scientist in the field of thermodynamics and is known for his contributions to the study of heat and energy.（焦耳是热力学领域的杰出科学家，因其对热和能量研究的贡献而闻名。）
6. Joule heating is the process by which an electric current passing through a conductor produces heat.（焦耳热是一种电流通过导体产生热量的过程。）
7. The joule per second is the unit of power, also known as the watt.（每秒焦耳是功率的单位，也被称为瓦特。）
8. A joule is equal to the energy required to lift a small apple one meter off the ground.（一个焦耳等于抬起一个小苹果一米的能量。）
9. The joule is named after James Prescott Joule, a British scientist who made significant contributions to the study of energy and thermodynamics in the 19th century.（焦耳单位以19世纪对能量和热力学研究做出重要贡献的英国科学家詹姆斯·普雷斯科特·焦耳命名。）
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