brown coal

简明释义

1. 褐煤; 2. 褐色煤;

英英释义

例句

1.The power plant uses brown coal to generate electricity, which is a cheaper alternative to other fuels.

该发电厂使用褐煤来发电，这是比其他燃料更便宜的替代品。

2.Many regions rely on brown coal for heating during the winter months.

许多地区在冬季依靠褐煤供暖。

3.In Australia, brown coal is known for its high moisture content and low energy density.

在澳大利亚，褐煤以其高水分含量和低能量密度而闻名。

4.Germany is one of the largest producers of brown coal in Europe.

德国是欧洲最大的褐煤生产国之一。

5.The environmental impact of burning brown coal has raised concerns among activists.

燃烧褐煤的环境影响引起了活动家的关注。

作文

Brown coal, also known as lignite, is a type of coal that has a lower carbon content and higher moisture content compared to harder coals like bituminous or anthracite. It is primarily used for electricity generation and as a fuel in industrial processes. The extraction and use of brown coal (褐煤) have significant environmental implications, making it a topic of debate among energy policymakers and environmentalists alike.In many countries, especially in Europe, brown coal (褐煤) is abundant and relatively cheap to mine. This has led to its widespread use in power plants to produce electricity. However, the combustion of brown coal (褐煤) releases a considerable amount of carbon dioxide and other pollutants into the atmosphere. This is a major concern in the context of climate change, as the world seeks to reduce greenhouse gas emissions.One of the main advantages of brown coal (褐煤) is its availability. Countries such as Germany, Australia, and the United States have large reserves of this resource. It is often mined using open-pit methods, which can be less expensive than underground mining. However, this method can lead to significant landscape alteration and environmental degradation. The mining process itself can disrupt local ecosystems and lead to soil erosion, water contamination, and loss of biodiversity.Another important aspect of brown coal (褐煤) is its efficiency in certain applications. In areas where other forms of energy are scarce or too costly, brown coal (褐煤) can serve as a reliable energy source. It is particularly useful in regions with limited access to natural gas or renewable energy sources. Nevertheless, the long-term sustainability of relying on brown coal (褐煤) is questionable, given its environmental impact.As the global community becomes increasingly aware of the need for sustainable energy solutions, the future of brown coal (褐煤) remains uncertain. Many countries are investing in renewable energy technologies, such as solar, wind, and hydroelectric power, to reduce their reliance on fossil fuels. This shift is crucial for achieving international climate goals and transitioning to a low-carbon economy.In conclusion, while brown coal (褐煤) offers certain advantages in terms of availability and cost-effectiveness, its environmental impact cannot be overlooked. As we move towards a more sustainable future, it is essential to consider the role of brown coal (褐煤) in our energy mix and explore cleaner alternatives that can help mitigate the effects of climate change. The challenge lies in balancing economic needs with environmental responsibilities, ensuring that we make informed decisions about our energy sources.

褐煤，也称为木炭，是一种碳含量较低、湿度较高的煤，与硬煤如烟煤或无烟煤相比。它主要用于发电和工业过程中的燃料。开采和使用褐煤（brown coal）对环境有重大影响，使其成为能源政策制定者和环境保护者之间辩论的话题。在许多国家，尤其是欧洲，褐煤（brown coal）丰富且相对便宜。这导致它在发电厂中被广泛使用。然而，燃烧褐煤（brown coal）会释放大量二氧化碳和其他污染物到大气中。这在气候变化的背景下是一个主要关注点，因为世界各国都在努力减少温室气体排放。褐煤（brown coal）的主要优点之一是其可用性。德国、澳大利亚和美国等国拥有大量这种资源。它往往采用露天开采的方法，这可能比地下开采成本更低。然而，这种方法可能导致显著的景观改变和环境退化。开采过程本身可能会破坏当地生态系统，导致土壤侵蚀、水污染和生物多样性的丧失。褐煤（brown coal）另一个重要方面是在某些应用中的效率。在其他形式的能源稀缺或过于昂贵的地区，褐煤（brown coal）可以作为可靠的能源来源。它在缺乏天然气或可再生能源的地区特别有用。然而，长期依赖褐煤（brown coal）的可持续性是值得怀疑的，考虑到其对环境的影响。随着全球社会越来越意识到需要可持续的能源解决方案，褐煤（brown coal）的未来仍然不确定。许多国家正在投资可再生能源技术，如太阳能、风能和水电，以减少对化石燃料的依赖。这一转变对于实现国际气候目标和过渡到低碳经济至关重要。总之，虽然褐煤（brown coal）在可用性和成本效益方面提供了一些优势，但其对环境的影响不可忽视。随着我们朝着更加可持续的未来迈进，必须考虑褐煤（brown coal）在我们的能源组合中的作用，并探索可以帮助缓解气候变化影响的清洁替代品。挑战在于平衡经济需求与环境责任，确保我们对能源来源做出明智的决策。