aluminum oxide

简明释义

1. 氧化铝; 2. 纯铝土;

英英释义

例句

1.Scientists are researching the use of aluminum oxide in nanotechnology applications.

科学家们正在研究铝氧化物在纳米技术应用中的使用。

2.The ceramic tiles are coated with aluminum oxide to enhance their durability.

这些瓷砖涂有铝氧化物以增强其耐用性。

3.The presence of aluminum oxide in the coating helps prevent corrosion.

涂层中存在的铝氧化物有助于防止腐蚀。

4.In the manufacturing process, aluminum oxide is used as an abrasive material.

在制造过程中，铝氧化物被用作磨料。

5.The glass polishing process often involves aluminum oxide as a key ingredient.

玻璃抛光过程通常涉及铝氧化物作为关键成分。

作文

Aluminum oxide, also known as alumina, is a chemical compound made up of aluminum and oxygen. It is an essential material in various industrial applications due to its unique properties. The formula for this compound is Al2O3, which indicates that it consists of two aluminum atoms bonded with three oxygen atoms. One of the most significant features of aluminum oxide (铝氧化物) is its hardness. It ranks 9 on the Mohs scale of mineral hardness, making it one of the hardest substances available. This property makes aluminum oxide (铝氧化物) an excellent choice for abrasives, such as sandpaper and grinding wheels, where durability is crucial.Another important characteristic of aluminum oxide (铝氧化物) is its high melting point, which is around 2050 degrees Celsius. This high thermal stability allows it to be used in applications that require materials to withstand extreme temperatures. For instance, aluminum oxide (铝氧化物) is commonly used in the manufacturing of ceramics and refractory materials, which are essential in industries like steel production and glass manufacturing.In addition to its physical properties, aluminum oxide (铝氧化物) also plays a vital role in the field of electronics. It is often used as an insulating material in electronic components due to its excellent electrical insulation properties. Furthermore, aluminum oxide (铝氧化物) can be found in the form of thin films in semiconductor devices, enhancing their performance and reliability.The versatility of aluminum oxide (铝氧化物) extends to its use in the production of aluminum metal itself. When aluminum oxide is subjected to electrolysis in a process known as the Bayer process, it is transformed into pure aluminum. This method has revolutionized the aluminum industry, providing a cost-effective way to produce aluminum from bauxite ore, which is rich in aluminum oxide (铝氧化物).Moreover, aluminum oxide (铝氧化物) is also utilized in the field of healthcare. In dentistry, it is used in dental restorations and crowns due to its biocompatibility and aesthetic appeal. The white color of aluminum oxide (铝氧化物) makes it an attractive option for dental applications, allowing for natural-looking results.Despite its many benefits, the production and use of aluminum oxide (铝氧化物) also raise environmental concerns. The mining of bauxite ore can lead to habitat destruction and pollution. Therefore, it is crucial for industries to adopt sustainable practices when sourcing and utilizing aluminum oxide (铝氧化物). Recycling aluminum products can significantly reduce the demand for new bauxite mining and minimize environmental impact.In conclusion, aluminum oxide (铝氧化物) is a remarkable compound with a wide range of applications across various industries. Its hardness, thermal stability, and electrical insulation properties make it indispensable in manufacturing, electronics, and healthcare. However, it is essential to balance its usage with environmental considerations to ensure a sustainable future. As technology continues to advance, the importance of aluminum oxide (铝氧化物) will likely grow, paving the way for innovative applications that benefit society while minimizing ecological footprints.

铝氧化物，也称为铝土矿，是由铝和氧组成的化合物。由于其独特的性质，它在各种工业应用中是必不可少的材料。该化合物的化学式为Al2O3，表明它由两个铝原子与三个氧原子结合而成。铝氧化物（铝氧化物）的一个显著特征是其硬度。它在莫氏硬度等级中排名9，是可用的最坚硬的物质之一。这一特性使得铝氧化物（铝氧化物）成为磨料（如砂纸和磨轮）的绝佳选择，其耐用性至关重要。铝氧化物（铝氧化物）的另一个重要特性是其高熔点，约为2050摄氏度。这种高热稳定性使其能够用于需要材料承受极端温度的应用。例如，铝氧化物（铝氧化物）通常用于陶瓷和耐火材料的制造，这在钢铁生产和玻璃制造等行业中至关重要。除了其物理特性外，铝氧化物（铝氧化物）在电子领域也发挥着重要作用。由于其优良的电绝缘特性，常用作电子元件中的绝缘材料。此外，铝氧化物（铝氧化物）可以以薄膜的形式出现在半导体设备中，增强其性能和可靠性。铝氧化物（铝氧化物）的多功能性还延伸到铝金属本身的生产。当铝氧化物通过一种称为拜耳法的电解过程进行处理时，它会转变为纯铝。这种方法彻底改变了铝工业，提供了一种从富含铝氧化物（铝氧化物）的铝土矿中以经济有效的方式生产铝的方法。此外，铝氧化物（铝氧化物）还被广泛应用于医疗领域。在牙科中，由于其生物相容性和美观性，常用于牙齿修复和牙冠。铝氧化物（铝氧化物）的白色使其成为牙科应用的吸引选项，能够实现自然的效果。尽管有许多好处，但铝氧化物的生产和使用也引发了环境问题。铝土矿的开采可能导致栖息地破坏和污染。因此，工业在采购和利用铝氧化物（铝氧化物）时采用可持续做法至关重要。回收铝制品可以显著减少对新铝土矿开采的需求，并最小化环境影响。总之，铝氧化物（铝氧化物）是一种具有广泛应用的显著化合物。其硬度、热稳定性和电绝缘特性使其在制造、电子和医疗等行业中不可或缺。然而，在使用时平衡其与环境的考虑，以确保可持续的未来是至关重要的。随着技术的不断进步，铝氧化物（铝氧化物）的重要性可能会进一步增长，为社会带来创新应用，同时最小化生态足迹。