low calorific value

简明释义

低热值

英英释义

例句

1.The report highlighted the low calorific value of certain agricultural residues, suggesting alternative uses.

报告强调了某些农业残余物的低热值，建议其他用途。

2.Using fuels with a low calorific value can lead to higher emissions and lower overall performance.

使用具有低热值的燃料可能导致更高的排放和整体性能下降。

3.The low calorific value of this waste material makes it unsuitable for high-efficiency power generation.

这种废料的低热值使其不适合高效发电。

4.The biomass fuel we are using has a low calorific value, which means it produces less energy compared to traditional fuels.

我们使用的生物质燃料具有低热值，这意味着它产生的能量比传统燃料少。

5.When selecting materials for our energy project, we need to avoid those with a low calorific value to ensure efficiency.

在选择我们的能源项目材料时，我们需要避免那些具有低热值的材料，以确保效率。

作文

In today's world, the importance of energy sources cannot be overstated. As we strive to find sustainable solutions to meet our energy needs, the concept of calorific value becomes crucial. Calorific value refers to the amount of energy produced when a substance is burned. It is typically measured in calories or joules per gram. However, not all energy sources are created equal; some have a low calorific value (低热值), which can affect their efficiency and usability in various applications.Energy sources with a low calorific value (低热值) often require larger quantities to produce the same amount of energy as those with a higher calorific value. For instance, biomass fuels such as wood or agricultural residues generally have a low calorific value (低热值) compared to fossil fuels like coal or oil. This means that while biomass can be a renewable and environmentally friendly option, it may not be as efficient for energy production without proper technology to enhance its combustion.The implications of using fuels with a low calorific value (低热值) extend beyond just energy efficiency. In industrial processes, using fuels with a low calorific value (低热值) can lead to increased emissions of pollutants due to incomplete combustion. This is particularly concerning in regions where air quality is already compromised. Therefore, understanding the calorific value of different fuels is essential for industries aiming to reduce their environmental impact.Moreover, the choice of fuel with a low calorific value (低热值) can affect economic factors as well. For example, if a company relies on a fuel that requires larger quantities to achieve desired energy outputs, this can lead to higher operational costs. Consequently, businesses must balance the benefits of using renewable sources with the practicalities of energy production and cost-effectiveness.In conclusion, the concept of low calorific value (低热值) plays a significant role in our energy landscape. While it is essential to explore alternative energy sources for sustainability, we must also consider their calorific values to ensure efficiency and minimize environmental impacts. As we move forward, a deeper understanding of these concepts will help us make informed decisions about our energy consumption and production methods. By prioritizing high-calorific-value fuels when possible, we can optimize energy use and contribute to a cleaner, more sustainable future.

在当今世界，能源来源的重要性不容小觑。在我们努力寻找可持续解决方案以满足能源需求时，热值的概念变得至关重要。热值是指燃烧某种物质时产生的能量量。通常以每克卡路里或焦耳来衡量。然而，并非所有的能源来源都是平等的；一些具有低热值（low calorific value），这会影响它们在各种应用中的效率和可用性。具有低热值（low calorific value）的能源来源通常需要更大数量才能产生与高热值能源相同的能量。例如，生物质燃料如木材或农业残余通常具有比煤或石油等化石燃料更低热值（low calorific value）。这意味着，尽管生物质可以是一种可再生和环保的选择，但在没有适当技术增强其燃烧效果的情况下，它可能在能源生产方面效率较低。使用具有低热值（low calorific value）燃料的影响不仅限于能源效率。在工业过程中，使用具有低热值（low calorific value）的燃料可能导致由于燃烧不完全而增加污染物的排放。这在空气质量已经受到损害的地区尤其令人担忧。因此，了解不同燃料的热值对旨在减少环境影响的行业至关重要。此外，选择具有低热值（low calorific value）燃料也会影响经济因素。例如，如果一家公司依赖于一种需要更大数量以实现所需能源输出的燃料，这可能会导致运营成本上升。因此，企业必须在使用可再生资源的好处与能源生产和成本效益的实际问题之间取得平衡。总之，低热值（low calorific value）的概念在我们的能源格局中发挥着重要作用。虽然探索替代能源来源以实现可持续性至关重要，但我们还必须考虑它们的热值，以确保效率并最小化环境影响。随着我们向前发展，对这些概念的更深理解将帮助我们做出关于能源消费和生产方法的明智决策。通过在可能的情况下优先选择高热值燃料，我们可以优化能源使用，并为更清洁、更可持续的未来做出贡献。