calcium oxide

简明释义

氧化钙

英英释义

例句

1.Farmers use calcium oxide to improve soil pH levels.

农民使用氧化钙来改善土壤pH值。

2.When mixed with water, calcium oxide forms slaked lime.

与水混合时，氧化钙形成消石灰。

3.The reaction of calcium oxide with carbon dioxide produces calcium carbonate.

与二氧化碳反应时，氧化钙会生成碳酸钙。

4.The chemical formula for quicklime is calcium oxide.

生石灰的化学式是氧化钙。

5.In the construction industry, calcium oxide is often used to make cement.

在建筑行业，氧化钙常用于制造水泥。

作文

Calcium oxide, commonly known as quicklime, is a chemical compound with the formula CaO. It is a white, caustic, alkaline substance that is produced by the thermal decomposition of calcium carbonate (CaCO3) in a process called calcination. This process typically occurs at temperatures around 900 to 1000 degrees Celsius. The resulting product, calcium oxide (氢氧化钙), has numerous applications across various industries, making it an essential compound in modern society.One of the primary uses of calcium oxide (氢氧化钙) is in the production of cement and concrete. When mixed with water, calcium oxide (氢氧化钙) reacts to form calcium hydroxide, which contributes to the hardening and strength of concrete. This property makes it a crucial ingredient in construction, where durable and strong materials are necessary for building infrastructure such as roads, bridges, and buildings.In addition to its role in construction, calcium oxide (氢氧化钙) is also used in the manufacturing of glass and ceramics. The addition of calcium oxide (氢氧化钙) to glass formulations helps improve the durability and thermal stability of the final product. Furthermore, it acts as a flux, reducing the melting temperature of raw materials in ceramic production, which enhances the efficiency of the manufacturing process.Another significant application of calcium oxide (氢氧化钙) is in environmental management, particularly in water treatment and waste management. It is used to neutralize acidic waters and to remove impurities from wastewater. The alkaline nature of calcium oxide (氢氧化钙) allows it to react with acids, thus helping to maintain pH levels in aquatic environments. Additionally, it is employed in the stabilization of hazardous waste, where it helps to immobilize heavy metals and other toxic substances, making them less harmful to the environment.Agriculture also benefits from the use of calcium oxide (氢氧化钙). It serves as a soil amendment to correct acidity in soils, promoting healthier plant growth. By increasing the pH of acidic soils, calcium oxide (氢氧化钙) enhances nutrient availability and improves the overall fertility of the land. Farmers often apply it to their fields to ensure optimal growing conditions for crops.Despite its many advantages, handling calcium oxide (氢氧化钙) requires caution due to its caustic nature. It can cause burns upon contact with skin or eyes, and inhalation of its dust can lead to respiratory issues. Therefore, appropriate safety measures must be taken when working with this compound, including the use of personal protective equipment (PPE) such as gloves, goggles, and masks.In conclusion, calcium oxide (氢氧化钙) is a versatile and valuable compound with a wide range of applications in construction, manufacturing, environmental management, and agriculture. Its ability to enhance the properties of materials and improve soil health makes it indispensable in various sectors. As industries continue to evolve, the importance of calcium oxide (氢氧化钙) will likely grow, emphasizing the need for safe handling and innovative uses of this essential chemical compound.

氢氧化钙，通常被称为生石灰，是一种化学化合物，化学式为CaO。它是一种白色、腐蚀性强的碱性物质，通过热分解碳酸钙（CaCO3）在称为煅烧的过程中生产。这个过程通常发生在900到1000摄氏度的温度下。得到的产品——氢氧化钙（calcium oxide）在各个行业中有着众多应用，使其成为现代社会中一种重要的化合物。氢氧化钙（calcium oxide）的主要用途之一是在水泥和混凝土的生产中。当与水混合时，氢氧化钙（calcium oxide）会反应形成氢氧化钙，这有助于混凝土的硬化和强度。这一特性使其成为建筑行业中不可或缺的成分，在建筑基础设施如道路、桥梁和建筑物时，需要耐用且坚固的材料。除了在建筑中的作用外，氢氧化钙（calcium oxide）还用于玻璃和陶瓷的制造。在玻璃配方中添加氢氧化钙（calcium oxide）有助于提高最终产品的耐久性和热稳定性。此外，它作为助熔剂，降低了陶瓷生产中原材料的熔化温度，从而提高了制造过程的效率。氢氧化钙（calcium oxide）在环境管理中也有重要应用，特别是在水处理和废物管理方面。它用于中和酸性水和去除废水中的杂质。氢氧化钙（calcium oxide）的碱性特性使其能够与酸反应，从而帮助维持水体环境的pH水平。此外，它还被用于危险废物的稳定化，帮助固定重金属和其他有毒物质，使其对环境的危害减小。农业也受益于氢氧化钙（calcium oxide）的使用。它作为土壤改良剂，用于纠正土壤酸度，促进植物健康生长。通过提高酸性土壤的pH值，氢氧化钙（calcium oxide）增强了养分的可用性，提高了土地的整体肥力。农民们常常将其施加到田地中，以确保作物的最佳生长条件。尽管有许多优点，但由于其腐蚀性，处理氢氧化钙（calcium oxide）需要谨慎。它接触皮肤或眼睛时可能会造成灼伤，吸入其粉尘可能导致呼吸问题。因此，在处理这种化合物时必须采取适当的安全措施，包括使用个人防护装备（PPE），如手套、护目镜和口罩。总之，氢氧化钙（calcium oxide）是一种多功能且有价值的化合物，在建筑、制造、环境管理和农业等多个领域具有广泛的应用。它增强材料特性的能力和改善土壤健康的作用，使其在各个行业中不可或缺。随着工业的不断发展，氢氧化钙（calcium oxide）的重要性可能会进一步增加，这强调了安全处理和创新使用这一重要化学化合物的必要性。