coarse ash

简明释义

粗灰分

英英释义

例句

1.Using coarse ash as a natural fertilizer can enhance plant growth.

使用粗灰作为天然肥料可以促进植物生长。

2.During the cleanup, we found a lot of coarse ash from the burnt wood.

在清理过程中，我们发现了很多燃烧木材产生的粗灰。

3.The gardener added coarse ash to the soil to improve drainage.

园丁在土壤中添加了粗灰以改善排水。

4.After the fire, the ground was covered with coarse ash that needed to be cleared.

火灾后，地面覆盖着需要清理的粗灰。

5.The artist mixed coarse ash into the paint for texture.

艺术家将粗灰混入颜料中以增加质感。

作文

In the realm of geology and environmental science, the study of volcanic materials plays a crucial role in understanding the Earth's processes. Among these materials, coarse ash (粗灰) is particularly significant. Volcanic eruptions can produce a variety of ash types, and coarse ash refers specifically to larger particles that are ejected during explosive eruptions. This type of ash can range in size from 2 mm to several centimeters in diameter, making it distinct from finer volcanic ash. The presence of coarse ash in an eruption can indicate the intensity of the volcanic activity, as larger particles require more energy to be expelled from the volcano.When a volcano erupts, the explosion can propel coarse ash high into the atmosphere, where it can travel great distances before settling back to the ground. This phenomenon can have significant implications for the surrounding environment. For instance, when coarse ash falls on agricultural land, it can affect soil quality and crop yields. Farmers may need to take special measures to mitigate the effects of this ash, such as removing it from fields or adjusting their farming practices to accommodate the changes in soil composition.Moreover, coarse ash can pose health risks to humans and animals. Inhaling large particles can lead to respiratory issues, and prolonged exposure can exacerbate pre-existing conditions. Therefore, communities living near active volcanoes must stay informed about potential eruptions and be prepared to respond to ashfall events.The geological record also provides valuable insights into past volcanic activity through the study of coarse ash. Layers of ash found in sediment cores can reveal information about the frequency and magnitude of eruptions over thousands of years. By analyzing these layers, scientists can reconstruct the history of volcanic activity in a region, which is essential for assessing future risks.In addition to its geological significance, coarse ash has practical applications. It can be used in various industries, including construction and manufacturing. For example, when processed correctly, coarse ash can be utilized as a lightweight aggregate in concrete, improving its thermal insulation properties. This not only enhances the performance of construction materials but also promotes sustainable practices by recycling volcanic materials.In conclusion, coarse ash (粗灰) is a vital component of volcanic eruptions that carries significant implications for both the environment and human health. Understanding its characteristics and effects helps scientists and communities prepare for volcanic events and manage their consequences effectively. As research continues to evolve, the role of coarse ash in geology, agriculture, and industry will undoubtedly expand, highlighting its importance in our world.

在地质学和环境科学领域，火山材料的研究在理解地球过程方面发挥着至关重要的作用。在这些材料中，coarse ash（粗灰）尤其重要。火山喷发可以产生多种类型的灰烬，而coarse ash专指在爆炸性喷发过程中喷出的较大颗粒。这种类型的灰烬颗粒大小从2毫米到几厘米不等，使其与更细的火山灰显著不同。在喷发中出现coarse ash可以表明火山活动的强度，因为较大的颗粒需要更多的能量才能从火山中喷出。当火山喷发时，爆炸可以将coarse ash高高抛入大气中，这些灰烬可以在很远的地方飘散，然后再落回地面。这种现象对周围环境可能产生重大影响。例如，当coarse ash落在农业用地上时，可能会影响土壤质量和作物产量。农民可能需要采取特别措施来减轻这种灰烬的影响，例如从田地中清除它或调整他们的耕作方式以适应土壤成分的变化。此外，coarse ash还可能对人类和动物构成健康风险。吸入大颗粒可能导致呼吸问题，长期接触可能加重已有的疾病。因此，生活在活火山附近的社区必须及时了解潜在喷发的信息，并准备好应对灰烬降落事件。地质记录通过对coarse ash的研究也提供了对过去火山活动的宝贵见解。沉积物核心中的灰烬层可以揭示数千年来喷发的频率和强度。通过分析这些层次，科学家可以重建一个地区的火山活动历史，这对于评估未来的风险至关重要。除了其地质意义外，coarse ash还有实际应用。它可以用于多个行业，包括建筑和制造。例如，当经过正确处理时，coarse ash可以用作混凝土中的轻质骨料，提高其热绝缘性能。这不仅增强了建筑材料的性能，还通过回收火山材料促进可持续实践。总之，coarse ash（粗灰）是火山喷发的重要组成部分，对环境和人类健康具有重要意义。理解其特征和影响有助于科学家和社区为火山事件做好准备，并有效管理其后果。随着研究的不断发展，coarse ash在地质学、农业和工业中的作用无疑将进一步扩大，突显其在我们世界中的重要性。