stone coal

简明释义

无烟煤

英英释义

Stone coal refers to a type of hard, carbon-rich sedimentary rock that is primarily composed of coal and is used as a fuel source.

石煤指的是一种硬的、富含碳的沉积岩,主要由煤组成,常用作燃料来源。

例句

1.In the past, many homes were heated using stone coal.

在过去,许多家庭使用石煤取暖。

2.The price of stone coal has increased significantly this year.

今年石煤的价格显著上涨。

3.Mining stone coal can be a dangerous job.

开采石煤可能是一项危险的工作。

4.We need to find a more sustainable alternative to stone coal.

我们需要找到一种比石煤更可持续的替代品。

5.The factory uses stone coal to power its machinery.

这家工厂使用石煤为其机器提供动力。

作文

The term stone coal refers to a type of coal that is primarily composed of carbon and is used as a fuel source. It is one of the most commonly utilized forms of coal in various industries, particularly in energy production. Understanding stone coal is essential for anyone interested in the field of energy, environmental science, or industrial applications. In this essay, I will discuss the characteristics, uses, and environmental impacts of stone coal, highlighting its significance in our modern world.Firstly, stone coal is characterized by its hard texture and high carbon content, which makes it an efficient fuel source. Unlike other types of coal, such as lignite or peat, stone coal has undergone significant geological processes that have transformed it into a dense, carbon-rich material. This process, known as coalification, results in a product that burns hotter and cleaner than its less mature counterparts. The high energy density of stone coal makes it a preferred choice for power generation in many countries.In terms of usage, stone coal plays a critical role in electricity generation. Power plants across the globe rely on stone coal to produce steam that drives turbines, converting thermal energy into electrical energy. Additionally, stone coal is an essential raw material in steel production. The iron and steel industry utilizes stone coal in the form of coke, which is produced by heating stone coal in the absence of air. This coke serves as both a fuel and a reducing agent in the smelting process, allowing for the extraction of iron from its ore.Despite its benefits, the use of stone coal raises significant environmental concerns. The combustion of stone coal releases a considerable amount of carbon dioxide (CO2), a greenhouse gas that contributes to climate change. Furthermore, the mining and processing of stone coal can lead to land degradation, water pollution, and habitat destruction. As a result, there is a growing movement towards cleaner energy sources, such as wind, solar, and hydroelectric power, which aim to reduce our reliance on fossil fuels like stone coal.In conclusion, stone coal is a vital energy resource that has shaped our industrial landscape. Its high carbon content and energy density make it an effective fuel for electricity generation and steel production. However, the environmental implications of its use cannot be overlooked. As we move towards a more sustainable future, it is crucial to balance the benefits of stone coal with the need to protect our planet. Transitioning to renewable energy sources while gradually phasing out stone coal will be key to achieving long-term environmental goals. By understanding the complexities surrounding stone coal, we can make informed decisions about our energy consumption and its impact on the world.

术语stone coal指的是一种主要由碳组成的煤,作为燃料来源被广泛使用。它是各种行业中最常用的煤之一,特别是在能源生产方面。理解stone coal对任何对能源、环境科学或工业应用感兴趣的人来说都是至关重要的。在这篇文章中,我将讨论stone coal的特性、用途和环境影响,强调其在现代世界中的重要性。首先,stone coal的特点是其坚硬的质地和高碳含量,使其成为高效的燃料来源。与其他类型的煤(如褐煤或泥炭)不同,stone coal经过显著的地质过程,转变为一种致密的富碳材料。这个过程称为煤化,导致了一个燃烧更热、更清洁的产品。stone coal的高能量密度使其成为许多国家发电的首选。在使用方面,stone coal在电力生成中发挥着关键作用。全球各地的发电厂依赖stone coal来产生推动涡轮机的蒸汽,将热能转化为电能。此外,stone coal是钢铁生产中的一种重要原材料。铁和钢工业以焦炭的形式利用stone coal,焦炭是通过在无空气的情况下加热stone coal而制成的。这种焦炭既作为燃料,又作为冶炼过程中还原剂,使铁从矿石中提取出来。尽管有其好处,使用stone coal也引发了重大环境问题。燃烧stone coal释放出大量二氧化碳(CO2),这是一种导致气候变化的温室气体。此外,stone coal的开采和加工可能导致土地退化、水污染和栖息地破坏。因此,越来越多的人开始倡导清洁能源,如风能、太阳能和水电,旨在减少我们对像stone coal这样的化石燃料的依赖。总之,stone coal是一种重要的能源资源,塑造了我们的工业格局。其高碳含量和能量密度使其成为电力生成和钢铁生产的有效燃料。然而,其使用的环境影响不容忽视。随着我们朝着更可持续的未来迈进,平衡stone coal的好处与保护我们星球的需要至关重要。逐步过渡到可再生能源,同时逐渐淘汰stone coal,将是实现长期环境目标的关键。通过理解stone coal周围的复杂性,我们可以就我们的能源消费及其对世界的影响做出明智的决定。

相关单词

coal

coal详解:怎么读、什么意思、用法