joule

简明释义

[dʒuːl][dʒuːl]

n. 焦耳

n. (Joule)人名;(英)焦耳

复 数 j o u l e s

英英释义

A joule is the SI unit of energy, defined as the amount of work done when a force of one newton displaces an object one meter in the direction of the force.

焦耳是国际单位制中的能量单位,定义为当一个牛顿的力沿着力的方向使物体移动一米时所做的功。

It is equivalent to one watt-second and can also be expressed in terms of other units such as calories or kilowatt-hours.

它等于一个瓦特秒,也可以用其他单位如卡路里或千瓦时来表示。

单词用法

joule heat

焦耳热

joule heating

焦耳加热;电阻加热

同义词

energy

能量

The joule is a derived unit of energy in the International System of Units (SI).

焦耳是国际单位制(SI)中能量的导出单位。

work

One joule is equal to the work done when a force of one newton displaces an object by one meter.

一个焦耳等于当一个牛顿的力使物体移动一米所做的功。

heat

热量

In thermodynamics, heat is often measured in joules.

在热力学中,热量通常以焦耳为单位进行测量。

watt-hour

瓦时

Electricity consumption is often expressed in watt-hours, which can be converted to joules.

电力消耗通常以瓦时表示,可以转换为焦耳。

反义词

calorie

卡路里

The energy content of food is often measured in calories.

食物的能量含量通常以卡路里为单位进行测量。

kilowatt-hour

千瓦时

Electricity consumption is commonly billed in kilowatt-hours.

电力消耗通常以千瓦时计费。

例句

1.Remember the Joule expansion.

回想一下焦耳膨胀。

2.Other countries use the joule, the unit of energy in the International System of Units.

其他的国家使用焦耳,国际单位制中的能量单位。

3.Thus, Mayer, Helmholtz and Joule laid the foundation of the theory at almost the same time.

因此,梅耶,亥姆霍兹和焦耳奠定了基础理论,几乎在同一时间。

4.Smart studious joule is in play, also do not forget his physics experiment.

聪明好学的焦耳就是在玩耍的时候,也没有忘记做他的物理实验。

5.The Joule-Thomson coefficient is equal to zero.

焦耳- 汤姆逊系数等于。

6.In this paper we derive the quantitative analysis formula of Joule-Thomsonian coefficient from the knowledge of common physics.

本文用普通物理热学的知识推导出焦尔·汤姆逊系数的定量分析公式。

7.And we saw that, you saw that the Joule coefficient for an ideal gas was zero.

我们会发现,你们也会发现,理想气体的焦耳系数是零。

8.The kinetic energy of a moving car can be expressed in joules.

一辆移动汽车的动能可以用焦耳来表示。

9.A light bulb that uses 10 watts of power operates for one second and consumes 10 joules of energy.

一个功率为10瓦的灯泡工作一秒钟消耗10个焦耳的能量。

10.One joule is defined as the energy transferred when a force of one newton moves an object one meter.

一个焦耳被定义为当一个牛顿的力使物体移动一米时转移的能量。

11.The energy required to lift a small apple one meter off the ground is approximately one joule.

将一个小苹果提升一米所需的能量大约是一个焦耳

12.When you heat water, the energy transferred to it can be measured in joules.

加热水时,传递给水的能量可以用焦耳来衡量。

作文

The concept of energy is fundamental to understanding the physical world around us. In physics, energy can be measured in various units, one of the most important being the joule. The joule is defined as the amount of energy transferred when a force of one newton is applied over a distance of one meter. This unit of measurement is named after the English physicist James Prescott Joule, who made significant contributions to the study of energy and its transformations in the 19th century. Understanding the joule is crucial for students and professionals in fields such as physics, engineering, and environmental science. For instance, when we talk about electricity, we often refer to kilowatt-hours, which can be converted to joules. One kilowatt-hour is equivalent to 3.6 million joules. This conversion is essential for calculating energy consumption and efficiency in electrical appliances. In daily life, we encounter the joule in various forms. For example, when you eat food, your body converts the chemical energy stored in that food into usable energy measured in joules. The energy required for basic metabolic processes is also expressed in joules. This highlights the importance of understanding energy in our daily lives, from the food we consume to the electricity we use. Moreover, the joule plays a vital role in various scientific experiments and calculations. In thermodynamics, for example, the joule is used to measure heat energy. When substances are heated, their internal energy increases, which can be quantified in joules. This relationship between heat and energy is crucial for understanding how engines work, how refrigerators cool, and even how the weather behaves. In addition to its applications in science and engineering, the joule is also relevant in discussions about energy conservation and sustainability. As we face global challenges such as climate change, understanding energy consumption in terms of joules can help individuals and businesses make more informed decisions about their energy use. By reducing energy consumption, we can lower our carbon footprint and contribute to a more sustainable future. In conclusion, the joule is not just a unit of measurement; it is a key concept that helps us understand energy in all its forms. From the food we eat to the electricity we consume, the joule is an integral part of our lives and the world around us. By grasping the significance of the joule, we can better appreciate the complexities of energy and work towards a more sustainable future. Whether in a classroom, laboratory, or everyday life, the joule remains a vital component of our understanding of the universe. In summary, the joule (焦耳) serves as a bridge between theoretical concepts and practical applications, making it essential for anyone looking to deepen their understanding of energy and its impact on our world.

能量的概念对于理解我们周围的物理世界至关重要。在物理学中,能量可以用各种单位来测量,其中最重要的一个就是joulejoule被定义为当施加一个牛顿的力在一米的距离上时所转移的能量。这一测量单位以英国物理学家詹姆斯·普雷斯科特·焦耳的名字命名,他在19世纪对能量及其转化的研究做出了重大贡献。理解joule对于物理、工程和环境科学等领域的学生和专业人士至关重要。例如,当我们谈论电力时,通常会提到千瓦时,这可以转换为joules。一个千瓦时等于360万joules。这种转换对于计算电器的能耗和效率至关重要。在日常生活中,我们以各种形式遇到joule。例如,当你吃食物时,你的身体将存储在食物中的化学能转化为可用的能量,以joules为单位。基本代谢过程所需的能量也用joules表示。这突显了理解能量在我们日常生活中的重要性,从我们消费的食物到我们使用的电力。此外,joule在各种科学实验和计算中也起着重要作用。在热力学中,例如,joule用于测量热能。当物质被加热时,其内部能量增加,这可以用joules量化。这种热与能量之间的关系对于理解发动机如何工作、冰箱如何制冷甚至天气如何变化至关重要。除了在科学和工程中的应用外,joule在讨论能源节约和可持续性时也相关。当我们面临全球气候变化等挑战时,以joules为单位理解能量消耗可以帮助个人和企业做出更明智的能源使用决策。通过减少能量消耗,我们可以降低我们的碳足迹,为更可持续的未来做出贡献。总之,joule不仅仅是一个测量单位;它是一个关键概念,帮助我们理解各种形式的能量。从我们吃的食物到我们消耗的电力,joule是我们生活和周围世界的不可或缺的一部分。通过掌握joule的重要性,我们可以更好地欣赏能量的复杂性,并朝着更可持续的未来努力。无论是在教室、实验室还是日常生活中,joule始终是我们理解宇宙的一个重要组成部分。总结来说,joule焦耳)作为理论概念和实际应用之间的桥梁,使其成为任何希望深入理解能量及其对我们世界影响的人所必需的。