coal gas

简明释义

煤气

英英释义

例句

1.Safety measures are crucial when working with coal gas, as it is highly flammable.

在使用煤气时，安全措施至关重要，因为它是高度易燃的。

2.The production of coal gas involves the carbonization of coal in the absence of air.

生产煤气涉及在缺氧的情况下对煤进行碳化。

3.In the early 19th century, cities began to use coal gas for street lighting.

在19世纪初，城市开始使用煤气进行街道照明。

4.Many households switched from using wood to coal gas for cooking due to its convenience.

由于方便，许多家庭从使用木材转向使用煤气进行烹饪。

5.The coal gas industry played a significant role in the industrial revolution.

煤气工业在工业革命中发挥了重要作用。

作文

The industrial revolution marked a significant turning point in the history of energy production. Among the various energy sources that emerged during this period, coal gas (煤气) played a crucial role in shaping urban life and industry. Coal gas is a flammable gaseous fuel that is produced by the destructive distillation of coal. This process involves heating coal in the absence of air, which breaks down the coal into various byproducts, including gases such as hydrogen, methane, carbon monoxide, and other hydrocarbons. The result is a gas that can be used for heating, lighting, and even as a fuel for engines.One of the primary uses of coal gas was for street lighting in the 19th century. Before the widespread adoption of electric lights, cities relied on coal gas to illuminate their streets at night. Gas lamps became a common sight, transforming urban landscapes and allowing people to engage in activities after dark. This innovation not only improved safety but also contributed to the social and economic vibrancy of cities.Moreover, coal gas was essential for domestic cooking and heating. Many households installed gas stoves and heaters, which provided a more efficient and controllable source of heat compared to traditional wood or coal-burning stoves. The convenience of coal gas allowed families to prepare meals more efficiently and maintain comfortable living conditions during colder months.However, the use of coal gas was not without its drawbacks. The production of coal gas contributed to air pollution, as the burning of coal releases various harmful substances into the atmosphere. In addition, the gas itself is toxic; leaks could lead to dangerous situations, including explosions and poisoning. As cities expanded and populations grew, the demand for cleaner and safer energy sources increased.By the early 20th century, advancements in technology led to the rise of natural gas as a preferred alternative to coal gas. Natural gas, primarily composed of methane, is cleaner burning and produces fewer pollutants when combusted. The infrastructure for transporting natural gas was developed, making it more accessible to households and industries. As a result, coal gas usage began to decline significantly.In modern times, the legacy of coal gas can still be seen in certain areas where historical gasworks have been preserved. Some cities have even restored gas lamps as a nod to their past, although they are typically now powered by electricity rather than coal gas. Additionally, the historical importance of coal gas highlights the evolution of energy production and consumption, reminding us of the need for sustainable practices in our current energy landscape.In conclusion, coal gas (煤气) was a pivotal energy source during the industrial revolution, facilitating urban development and improving daily life for many. While it has largely been replaced by cleaner alternatives, understanding the role of coal gas in history allows us to appreciate the progress we have made in energy production and motivates us to continue seeking sustainable solutions for the future.