quick lime

简明释义

生石灰

英英释义

例句

1.When mixed with water, quick lime generates heat and can be used for making cement.

与水混合时，石灰会产生热量，可用于制造水泥。

2.Farmers apply quick lime to their fields to improve soil quality and increase crop yield.

农民在田地里施用石灰以改善土壤质量并提高作物产量。

3.To make glass, manufacturers often use quick lime as a key ingredient in the melting process.

为了制造玻璃，制造商通常将石灰作为熔化过程中的关键成分。

4.In the laboratory, quick lime is used to absorb carbon dioxide from the air.

在实验室中，石灰用于吸收空气中的二氧化碳。

5.The construction workers used quick lime to stabilize the soil for the foundation of the building.

建筑工人使用石灰来稳定建筑基础的土壤。

作文

Quick lime, known scientifically as calcium oxide, is a chemical compound that has been used for centuries in various industries. Its versatility and effectiveness make it a valuable material in construction, agriculture, and environmental applications. In this essay, I will explore the properties of quick lime (生石灰) and its significant roles in different sectors.Firstly, quick lime (生石灰) is produced by heating limestone in a process called calcination. This high-temperature treatment removes carbon dioxide from the limestone, resulting in a white, powdery substance. The chemical formula for quick lime (生石灰) is CaO, indicating its composition of calcium and oxygen. One of the most notable characteristics of quick lime (生石灰) is its ability to react with water, producing calcium hydroxide, commonly known as slaked lime. This reaction is highly exothermic, meaning it releases heat, which can be beneficial in certain applications.In the construction industry, quick lime (生石灰) plays a crucial role in the production of cement and mortar. When mixed with water, it forms a paste that hardens over time, providing strength and stability to buildings and other structures. Additionally, quick lime (生石灰) is used to stabilize soil, improving its load-bearing capacity and reducing settlement. This property is particularly useful in road construction and foundation work, where a solid base is essential.Another significant application of quick lime (生石灰) is in agriculture. Farmers often use it to improve soil quality by adjusting pH levels. Soils that are too acidic can hinder plant growth, and the application of quick lime (生石灰) helps neutralize acidity, promoting healthier crops. Furthermore, quick lime (生石灰) can enhance nutrient availability in the soil, leading to better yields and more productive farming practices.Environmental applications of quick lime (生石灰) are also noteworthy. It is commonly used in water treatment processes to remove impurities and contaminants. The addition of quick lime (生石灰) to wastewater helps precipitate heavy metals and other pollutants, making the water safer for discharge or reuse. Moreover, quick lime (生石灰) is utilized in flue gas treatment to reduce sulfur dioxide emissions from power plants, contributing to cleaner air and a healthier environment.Despite its many benefits, handling quick lime (生石灰) requires caution. It is a caustic substance that can cause burns and irritation if it comes into contact with skin or eyes. Therefore, proper safety measures, such as wearing protective gear and following handling guidelines, are essential for anyone working with quick lime (生石灰).In conclusion, quick lime (生石灰) is a vital chemical compound with diverse applications across various industries. From construction to agriculture and environmental protection, its unique properties make it an indispensable material. Understanding how to utilize quick lime (生石灰) effectively can lead to improved practices and outcomes in these fields. As we continue to seek sustainable solutions for modern challenges, the role of quick lime (生石灰) will undoubtedly remain significant in our efforts to build a better future.

生石灰，科学上称为氧化钙，是一种在各个行业使用了几个世纪的化学化合物。它的多功能性和有效性使其成为建筑、农业和环境应用中一种宝贵的材料。在这篇文章中，我将探讨quick lime（生石灰）的性质及其在不同领域的重要作用。首先，quick lime（生石灰）是通过在煅烧过程中加热石灰岩而产生的。这种高温处理去除了石灰岩中的二氧化碳，形成一种白色粉末状物质。quick lime（生石灰）的化学式为CaO，表明其由钙和氧组成。quick lime（生石灰）最显著的特征之一是它与水反应的能力，产生氢氧化钙，通常被称为熟石灰。这种反应是高度放热的，意味着它释放热量，这在某些应用中可能是有益的。在建筑行业，quick lime（生石灰）在水泥和砂浆的生产中起着至关重要的作用。当与水混合时，它形成一种在时间上硬化的浆料，为建筑物和其他结构提供强度和稳定性。此外，quick lime（生石灰）用于土壤稳定，提高其承载能力并减少沉降。这一特性在道路建设和基础工程中尤其有用，因为坚固的基础至关重要。quick lime（生石灰）的另一个重要应用是在农业中。农民常常使用它来改善土壤质量，通过调整pH值。过于酸性的土壤会妨碍植物生长，而施用quick lime（生石灰）有助于中和酸性，促进更健康的作物。此外，quick lime（生石灰）可以提高土壤中养分的可用性，从而带来更好的产量和更高效的农业实践。quick lime（生石灰）的环境应用同样值得注意。它通常用于水处理过程，以去除杂质和污染物。将quick lime（生石灰）添加到废水中有助于沉淀重金属和其他污染物，使水更安全地排放或再利用。此外，quick lime（生石灰）还用于烟气处理，以减少发电厂的二氧化硫排放，有助于清洁空气和更健康的环境。尽管有许多好处，但处理quick lime（生石灰）需要小心。它是一种腐蚀性物质，如接触皮肤或眼睛可能会导致烧伤和刺激。因此，任何与quick lime（生石灰）一起工作的人员都必须采取适当的安全措施，例如穿戴防护装备和遵循处理指南。总之，quick lime（生石灰）是一种在各个行业中具有多种应用的重要化学化合物。从建筑到农业和环境保护，它独特的性质使其成为一种不可或缺的材料。了解如何有效利用quick lime（生石灰）可以在这些领域中带来更好的实践和结果。随着我们继续寻求现代挑战的可持续解决方案，quick lime（生石灰）的角色无疑将在我们努力建设更美好未来的过程中保持重要性。