calorific equivalent

简明释义

热功当量;

英英释义

例句

1.When calculating the efficiency of a power plant, engineers often refer to the calorific equivalent (热值) of the fuel used.

在计算发电厂的效率时，工程师通常会参考所用燃料的calorific equivalent（热值）。

2.To assess the environmental impact, we must consider the calorific equivalent (热值) of each energy source.

为了评估环境影响，我们必须考虑每种能源的calorific equivalent（热值）。

3.The calorific equivalent (热值) of natural gas is higher than that of coal, making it a more efficient energy source.

天然气的calorific equivalent（热值）高于煤炭，使其成为一种更高效的能源来源。

4.The energy content of this fuel can be measured in terms of its calorific equivalent (热值), which helps us compare it with other fuels.

这种燃料的能量含量可以通过其calorific equivalent（热值）来衡量，这有助于我们将其与其他燃料进行比较。

5.Different biomass fuels have varying calorific equivalents (热值), affecting their usability for energy production.

不同的生物质燃料具有不同的calorific equivalents（热值），这影响了它们在能源生产中的可用性。

作文

The concept of energy is fundamental to our understanding of the physical world, and one of the key terms in this realm is the calorific equivalent. The calorific equivalent refers to the amount of energy that can be obtained from a particular substance when it is burned or metabolized. This measure is crucial for various fields, including nutrition, environmental science, and energy production. In nutrition, for instance, the calorific equivalent helps us understand how many calories we gain from different foods, which is essential for maintaining a balanced diet and ensuring we consume the right amount of energy for our daily activities. When we talk about the calorific equivalent of food, we are essentially discussing the energy content of that food, usually measured in calories or joules. For example, carbohydrates provide approximately 4 calories per gram, proteins also yield about 4 calories per gram, while fats offer around 9 calories per gram. Understanding these values allows individuals to make informed dietary choices based on their energy needs.In addition to its significance in nutrition, the calorific equivalent plays a vital role in environmental science. As we face the challenges of climate change and energy sustainability, knowing the calorific equivalent of fossil fuels and renewable energy sources becomes increasingly important. For instance, coal has a high calorific equivalent, making it an attractive energy source historically. However, its combustion releases significant greenhouse gases, prompting a shift towards cleaner alternatives. Renewable energy sources, such as solar and wind, have a different calorific equivalent since they do not rely on combustion. Instead, they harness natural processes to generate electricity, which is crucial for reducing our carbon footprint.Moreover, the calorific equivalent is essential in energy production, particularly in the context of power plants and engines. When designing these systems, engineers must consider the calorific equivalent of the fuels they use to optimize efficiency and minimize waste. For example, natural gas has a higher calorific equivalent compared to coal, making it a more efficient fuel option for electricity generation. As countries strive to transition to more sustainable energy systems, understanding the calorific equivalent of various fuel types is critical for making informed decisions.In conclusion, the term calorific equivalent encapsulates a vital aspect of energy measurement and management across multiple disciplines. From nutrition to environmental science and energy production, the calorific equivalent provides valuable insights into how we utilize energy resources. By comprehending this concept, we can better navigate the complexities of energy consumption, make healthier dietary choices, and contribute to a more sustainable future. As we continue to explore innovative solutions to our energy challenges, the calorific equivalent will undoubtedly remain a key factor in our decision-making processes.

能量的概念是我们理解物理世界的基础，而其中一个关键术语是热值等价。热值等价指的是从某一物质燃烧或代谢时可以获得的能量量。这个指标在营养学、环境科学和能源生产等多个领域至关重要。例如，在营养学中，热值等价帮助我们理解不同食物所提供的卡路里，这对于维持均衡饮食和确保我们摄入适合日常活动的能量量至关重要。当我们谈论食物的热值等价时，实际上是在讨论该食物的能量含量，通常以卡路里或焦耳为单位来衡量。例如，碳水化合物每克提供大约4卡路里，蛋白质也大约提供4卡路里，而脂肪则提供大约9卡路里。理解这些数值使个人能够根据自己的能量需求做出明智的饮食选择。除了在营养学中的重要性外，热值等价在环境科学中也发挥着至关重要的作用。随着我们面临气候变化和能源可持续性挑战，了解化石燃料和可再生能源源的热值等价变得越来越重要。例如，煤炭具有较高的热值等价，使其在历史上成为一种吸引人的能源来源。然而，它的燃烧释放出大量温室气体，促使我们转向更清洁的替代品。可再生能源，如太阳能和风能，其热值等价有所不同，因为它们不依赖于燃烧，而是利用自然过程来发电，这对减少我们的碳足迹至关重要。此外，热值等价在能源生产中也是至关重要的，特别是在发电厂和发动机的背景下。在设计这些系统时，工程师必须考虑所用燃料的热值等价以优化效率并最小化浪费。例如，天然气的热值等价高于煤炭，使其成为发电的更高效燃料选择。随着各国努力向更可持续的能源系统过渡，了解各种燃料类型的热值等价对于做出明智的决策至关重要。总之，术语热值等价概括了跨多个学科的能量测量和管理的重要方面。从营养到环境科学和能源生产，热值等价提供了有关我们如何利用能源资源的宝贵见解。通过理解这一概念，我们可以更好地应对能源消费的复杂性，做出更健康的饮食选择，并为更可持续的未来贡献力量。随着我们继续探索应对能源挑战的创新解决方案，热值等价无疑将在我们的决策过程中继续发挥关键作用。