kilojoules

简明释义

英[ˈkɪləʊdʒuːlz]美[ˈkɪloʊdʒuːlz]

n. 千焦耳（kilojoule 的复数）

英英释义

单词用法

同义词

反义词

例句

1.Likewise, if we look at fluorine in its diatomic molecule, it is 160 kilojoules per mole.

同样的，如果我们观察二价的氟，它是每摩尔160焦。

2.If I have one that's 400 kilojoules per mole and another that's 200 kilojoules per mole and I blend them, how do I get 500 kilojoules per mole?

如果你有一个每摩尔400千焦的分子，和一个没摩尔200千焦的分子，我把它们并子一起，我怎么得到每摩尔500千焦的键？

3.Often, the energy we get from what we eat and drink is measured in kilojoules.

通常，我们所食用的食物和摄入的水分是通过千焦耳测算的。

4.Currently the regulations permit the systems to convey a maximum of 60kw (approximately 80bhp), while the storage capacity is limited to 400 kilojoules.

目前规则允许系统转换最多60千瓦，储存容量限制在400千焦。

5.A large egg yolk contains approximately 60 Calories (250 kilojoules).

一个较大的蛋黄含有约60卡路里(250千焦耳)。

6.Scientists hypothesize that artificial sweeteners - because they don't contain any kilojoules - fail to activate the body's ability to regulate intake.

据科学家推测，人工甜味剂- - -因为不含任何热量- - -不能激活人体调节摄入量的能力。

7.Your body stores kilojoules that you don't need for energy as fat.

身体储存的能量就会堆积成脂肪。

8.In contrast, the dissociation energy of a bond for hydrogen, and molecular hydrogen is everywhere around us, we see 432 kilojoules per mole.

相反，氢分子在我们周围到处都是，一个氢分子的离解能，是432千焦每摩尔。

9.The average adult needs around 8,700 kilojoules per day.

普通成年人每天需要大约8700千焦耳。

10.To lose weight, you need to consume fewer kilojoules than you burn.

要减肥，你需要摄入的千焦耳少于你消耗的。

11.One medium apple has about 250 kilojoules.

一个中等大小的苹果大约有250千焦耳。

12.This meal contains over 1,200 kilojoules, which is quite filling.

这顿饭包含超过1200千焦耳，相当饱腹。

13.The energy content of this snack is 500 kilojoules.

这款零食的能量含量是500千焦耳。

作文

Understanding the concept of energy is crucial in our daily lives, especially when it comes to nutrition and health. One term that often comes up in discussions about food and exercise is kilojoules. A kilojoule (kJ) is a unit of energy that measures the amount of energy provided by food and expended during physical activities. In simpler terms, it helps us quantify how much energy we get from what we eat and how much we burn through our activities.When we consume food, our bodies convert the nutrients into energy, which is measured in kilojoules. For example, a slice of bread may contain around 300 kilojoules, while a chocolate bar might have over 800 kilojoules. Understanding these values is essential for managing our diet and maintaining a healthy lifestyle. If we consume more kilojoules than we burn, the excess energy can lead to weight gain. Conversely, if we burn more kilojoules than we consume, we may lose weight.To illustrate this further, consider a person who engages in regular physical activity. The energy they expend during exercise is also measured in kilojoules. For instance, running for 30 minutes may burn approximately 1,500 kilojoules, depending on factors such as body weight and intensity of the run. This means that to maintain their weight, they would need to consume at least that amount of kilojoules through their meals.In many countries, food labels provide information on the kilojoules contained in each serving. This allows consumers to make informed choices about what they eat. For instance, someone trying to lose weight might choose foods with lower kilojoules or adjust their portion sizes to ensure they are not exceeding their daily energy needs.Moreover, understanding kilojoules can help individuals set realistic fitness goals. For example, someone aiming to lose weight might focus on creating a calorie deficit, which involves consuming fewer kilojoules than they burn. This approach requires a balance between diet and exercise, making it essential to track both intake and expenditure of kilojoules.In conclusion, kilojoules play a vital role in our understanding of energy management in relation to food and exercise. By being aware of how many kilojoules we consume and burn, we can make better dietary choices and achieve our health goals. Whether we aim to lose weight, gain muscle, or simply maintain our current state, a solid grasp of kilojoules is fundamental. It empowers us to take control of our health and well-being, ensuring that we fuel our bodies appropriately for the demands of our daily lives.

理解能量的概念在我们的日常生活中至关重要，尤其是在营养和健康方面。一个常常出现在关于食物和锻炼讨论中的术语是千焦耳。千焦耳（kJ）是一个能量单位，用于测量食物提供的能量和在身体活动中消耗的能量。简单来说，它帮助我们量化我们从食物中获得的能量以及通过活动燃烧的能量。当我们摄入食物时，我们的身体将营养物质转化为能量，而这能量以千焦耳为单位进行测量。例如，一片面包可能含有大约300千焦耳，而一块巧克力棒可能超过800千焦耳。理解这些数值对于管理我们的饮食和保持健康的生活方式至关重要。如果我们摄入的千焦耳超过我们燃烧的能量，多余的能量可能导致体重增加。相反，如果我们燃烧的千焦耳超过我们摄入的，我们可能会减轻体重。为了进一步说明这一点，考虑一个定期进行体育活动的人。他们在锻炼过程中消耗的能量也以千焦耳为单位进行测量。例如，跑步30分钟可能燃烧大约1500千焦耳，具体取决于体重和跑步强度等因素。这意味着，为了维持体重，他们需要通过饮食至少摄入那么多的千焦耳。在许多国家，食品标签提供每份食物所含的千焦耳信息。这使消费者能够对他们所吃的东西做出明智的选择。例如，试图减肥的人可能会选择含有较低千焦耳的食物，或调整他们的份量，以确保他们没有超过每日能量需求。此外，理解千焦耳可以帮助个人设定现实的健身目标。例如，旨在减肥的人可能会专注于创造热量赤字，即摄入的千焦耳少于他们燃烧的千焦耳。这种方法需要饮食和锻炼之间的平衡，因此跟踪千焦耳的摄入和支出至关重要。总之，千焦耳在我们理解与食物和运动相关的能量管理中发挥着至关重要的作用。通过意识到我们摄入和燃烧的千焦耳数量，我们可以做出更好的饮食选择并实现我们的健康目标。无论我们是想减肥、增肌，还是仅仅保持当前状态，对千焦耳的扎实掌握都是基础。它使我们能够控制自己的健康和幸福，确保我们为日常生活的需求适当地为身体供能。