higher calorific value

简明释义

高热值

英英释义

例句

1.When comparing coal types, those with a higher calorific value are preferred for power generation.

在比较煤种时，热值更高的煤种更受欢迎用于发电。

2.Using biomass with a higher calorific value can significantly reduce heating costs in winter.

使用热值更高的生物质可以显著降低冬季的取暖成本。

3.The research shows that natural gas has a higher calorific value compared to other fossil fuels.

研究表明，天然气的热值更高，与其他化石燃料相比。

4.Investing in biofuels with a higher calorific value can lead to more efficient energy production.

投资于热值更高的生物燃料可以导致更高效的能源生产。

5.The new fuel has a higher calorific value than the previous one, which means it can produce more energy per unit of weight.

新燃料的热值更高，这意味着它每单位重量可以产生更多的能量。

作文

In today's world, energy consumption is a critical aspect of modern life. As we strive to develop sustainable energy sources, understanding the properties of different fuels becomes increasingly important. One key factor that determines the efficiency of a fuel is its calorific value. Specifically, fuels with a higher calorific value (更高的热值) are often sought after because they provide more energy per unit of weight or volume. This characteristic makes them more efficient for various applications, from transportation to electricity generation.The concept of calorific value refers to the amount of energy released when a substance is completely burned. It is typically measured in units such as megajoules per kilogram (MJ/kg) or British thermal units per pound (BTU/lb). Fuels with a higher calorific value (更高的热值) can produce more energy, which means less fuel is needed to achieve the same output. This is particularly beneficial in industries where fuel costs are a significant portion of operational expenses.For instance, consider the use of coal in power plants. Different types of coal have varying calorific values. Bituminous coal, for example, has a higher calorific value (更高的热值) compared to lignite. Therefore, using bituminous coal allows power plants to generate more electricity with less fuel, leading to lower emissions and reduced environmental impact. Similarly, in the transportation sector, fuels like gasoline and diesel have different calorific values, influencing their performance and efficiency in engines.Moreover, the quest for renewable energy sources has brought attention to biofuels, which can also exhibit a higher calorific value (更高的热值) than traditional fossil fuels. For instance, biodiesel derived from vegetable oils can have a comparable or even superior calorific value to petroleum diesel. This property not only enhances the energy output but also supports the shift towards greener alternatives that reduce our reliance on finite resources.Understanding the higher calorific value (更高的热值) of various fuels is also crucial for environmental considerations. By selecting fuels with higher energy content, industries can minimize waste and reduce greenhouse gas emissions. This aligns with global efforts to combat climate change and promote sustainability. In this context, research and development into advanced materials and technologies that can further enhance the calorific values of fuels are essential.In conclusion, the importance of fuels with a higher calorific value (更高的热值) cannot be overstated. They play a pivotal role in improving energy efficiency, reducing costs, and minimizing environmental impacts. As we continue to innovate and explore new energy solutions, a thorough understanding of calorific values will be vital for making informed decisions that benefit both the economy and the planet.