lignitic

简明释义

英[lɪɡˈnɪtɪk]美[lɪɡˈnɪtɪk]

adj. 含褐煤的；褐煤的

英英释义

单词用法

同义词

反义词

例句

1.The results indicated that the trace elements molybdenum and zirconium increased considerably the gas yields of the lignitic organic matter while selenium did not.

分析结果表明，除硒元素外，随着钼元素和锆元素的加入，褐煤有机质气态产物的生成量显著提高。

2.The results indicated that the trace elements molybdenum and zirconium increased considerably the gas yields of the lignitic organic matter while selenium did not.

分析结果表明，除硒元素外，随着钼元素和锆元素的加入，褐煤有机质气态产物的生成量显著提高。

3.The lignitic characteristics of the coal make it less efficient for combustion.

该煤的褐煤特性使其燃烧效率较低。

4.In geology, lignitic deposits are often found in sedimentary basins.

在地质学中，褐煤沉积物通常出现在沉积盆地中。

5.The region is known for its extensive lignitic reserves, which are a key energy source.

该地区以其丰富的褐煤储备而闻名，这是一个重要的能源来源。

6.The power plant utilizes lignitic coal due to its higher moisture content.

该发电厂利用褐煤，因为其含水量较高。

7.Environmental studies show that burning lignitic coal releases more emissions than bituminous coal.

环境研究表明，燃烧褐煤释放的排放量比烟煤更多。

作文

The term lignitic refers to a type of coal that is characterized by its brownish color and relatively low carbon content. It is considered to be the lowest rank of coal, lying between peat and sub-bituminous coal in the coal classification hierarchy. The formation of lignitic coal occurs through the process of coalification, where plant material is subjected to heat and pressure over millions of years. This process transforms the original organic material into coal, which can be used as a fuel source. lignitic coal has a high moisture content, often exceeding 30%, which makes it less efficient as a fuel compared to higher ranks of coal like bituminous or anthracite coal.In many regions, lignitic coal is mined for both electricity generation and industrial purposes. Power plants that utilize lignitic coal often face challenges due to its high moisture content, which can lead to lower energy output and increased emissions when burned. However, advancements in technology have allowed for better methods of burning this type of coal, making it a viable option for energy production in certain areas.The environmental impact of using lignitic coal is a significant concern. The extraction and combustion of coal contribute to greenhouse gas emissions, which are linked to climate change. Additionally, the mining process can lead to habitat destruction and water pollution. As the world moves towards more sustainable energy sources, the reliance on lignitic coal is being reevaluated. Many countries are investing in renewable energy technologies, such as wind and solar power, to reduce their dependence on fossil fuels.Despite these challenges, lignitic coal remains an important resource in some regions, particularly where other energy sources are limited. For instance, in places like Germany and parts of the United States, lignitic coal plays a crucial role in the local economy and energy supply. In these areas, ongoing research is focused on improving the efficiency of lignitic coal use and minimizing its environmental footprint.In conclusion, while lignitic coal is often seen as a less desirable form of coal due to its lower energy content and higher emissions, it still serves a purpose in certain contexts. Understanding the properties and implications of using lignitic coal is essential for balancing energy needs with environmental stewardship. As we move forward, the challenge will be to harness the energy potential of lignitic coal while also addressing the pressing issues of sustainability and climate change.

术语lignitic指的是一种煤，其特征是棕色和相对较低的碳含量。它被认为是煤的最低等级，位于泥炭和亚烟煤之间。lignitic煤的形成是通过煤化过程实现的，在这个过程中，植物材料在数百万年的时间里受到热和压力的影响。这一过程将原始有机材料转化为煤，可以用作燃料来源。lignitic煤的水分含量较高，通常超过30%，这使其作为燃料的效率低于比特uminous或无烟煤等更高等级的煤。在许多地区，lignitic煤被开采用于电力生产和工业用途。利用lignitic煤的发电厂常常面临挑战，因为其高水分含量可能导致能量输出降低和燃烧时排放增加。然而，技术的进步使得这种煤的燃烧方法得到了改善，使其在某些地区成为可行的能源生产选项。使用lignitic煤的环境影响是一个重要问题。煤的开采和燃烧会导致温室气体排放，这与气候变化有关。此外，采矿过程可能导致栖息地破坏和水污染。随着世界向更可持续的能源源转型，对lignitic煤的依赖正在重新评估。许多国家正在投资可再生能源技术，如风能和太阳能，以减少对化石燃料的依赖。尽管面临这些挑战，lignitic煤在某些地区仍然是重要资源，特别是在其他能源来源有限的地方。例如，在德国和美国的部分地区，lignitic煤在当地经济和能源供应中发挥着关键作用。在这些地区，持续的研究致力于提高lignitic煤的使用效率并最小化其环境足迹。总之，尽管由于其较低的能量含量和较高的排放，lignitic煤常常被视为不太理想的煤，但它在某些情况下仍然具有一定的用途。理解lignitic煤的性质及其使用的影响对于平衡能源需求与环境保护至关重要。随着我们向前发展，挑战将是如何利用lignitic煤的能源潜力，同时应对可持续性和气候变化的紧迫问题。