liquid oxygen

简明释义

液态氧

英英释义

例句

1.The production of steel requires liquid oxygen to enhance combustion efficiency.

钢铁生产需要液氧来提高燃烧效率。

2.In the laboratory, we store liquid oxygen in insulated containers to prevent it from evaporating.

在实验室中，我们将液氧储存在绝缘容器中，以防止其蒸发。

3.Astronauts rely on liquid oxygen for their life support systems in space.

宇航员在太空中依赖液氧作为其生命支持系统的一部分。

4.Emergency medical services sometimes use liquid oxygen for patients with respiratory issues.

紧急医疗服务有时会使用液氧来帮助呼吸困难的患者。

5.The rocket's propulsion system uses liquid oxygen as an oxidizer.

火箭的推进系统使用液氧作为氧化剂。

作文

The world of science is filled with fascinating substances that play crucial roles in various applications. One such substance is liquid oxygen, which is an essential component in many industrial and aerospace processes. Understanding liquid oxygen not only helps us appreciate its significance but also sheds light on its properties and uses.Liquid oxygen is the liquid form of molecular oxygen (O2) that is created by cooling oxygen gas to extremely low temperatures, specifically below its boiling point of -183 degrees Celsius (-297 degrees Fahrenheit). At this temperature, oxygen transitions from a gaseous state to a pale blue liquid. This transformation is not just a physical change; it also alters the way oxygen behaves and interacts with other materials.One of the most remarkable properties of liquid oxygen is its high density compared to gaseous oxygen. This means that a relatively small volume of liquid oxygen can contain a large amount of oxygen molecules, making it a highly efficient storage solution for oxygen. This property is particularly useful in aerospace applications, where space and weight are critical factors. For instance, liquid oxygen is commonly used as an oxidizer in rocket propulsion systems. When combined with a fuel, it produces a powerful thrust that propels rockets into space.Moreover, liquid oxygen plays a vital role in the medical field, especially in respiratory therapy. Medical-grade liquid oxygen is used to provide oxygen therapy to patients with respiratory issues. By converting liquid oxygen back into gas, healthcare providers can deliver concentrated oxygen to individuals who need it, improving their quality of life and aiding in recovery from various health conditions.However, working with liquid oxygen requires caution due to its highly reactive nature. When exposed to organic materials or certain chemicals, liquid oxygen can cause rapid combustion or explosions. This makes safety protocols essential in environments where liquid oxygen is stored or used. Industries that handle liquid oxygen must implement strict safety measures to prevent accidents, ensuring that workers are trained to manage the risks associated with this powerful substance.In conclusion, liquid oxygen is a remarkable material with diverse applications in science and industry. Its unique properties, including high density and reactivity, make it indispensable in fields ranging from aerospace to medicine. As we continue to explore and utilize liquid oxygen, understanding its characteristics and the precautions necessary for its use will be vital for harnessing its full potential safely and effectively.

科学的世界充满了各种在不同应用中发挥重要作用的迷人物质。其中一种物质是液态氧，它是许多工业和航空航天过程中的基本成分。理解液态氧不仅有助于我们欣赏其重要性，还能让我们了解它的性质和用途。液态氧是分子氧（O2）的液态形式，通过将氧气冷却到极低的温度，即低于其沸点-183摄氏度（-297华氏度）而产生。在这个温度下，氧气从气态转变为淡蓝色液体。这种转变不仅仅是物理变化；它还改变了氧气的行为及其与其他材料的相互作用。液态氧最显著的特性之一是与气态氧相比，其密度较高。这意味着相对较小体积的液态氧可以包含大量氧分子，使其成为一种高效的氧气储存解决方案。这一特性在航空航天应用中尤为重要，因为空间和重量是关键因素。例如，液态氧常被用作火箭推进系统中的氧化剂。当与燃料结合时，它会产生强大的推力，将火箭推进到太空中。此外，液态氧在医疗领域也发挥着重要作用，尤其是在呼吸治疗中。医用级液态氧用于为有呼吸问题的患者提供氧气治疗。通过将液态氧转换回气体，医疗服务提供者可以向需要的人提供浓缩氧气，提高他们的生活质量，并帮助他们从各种健康状况中恢复。然而，处理液态氧时需要谨慎，因为它具有高度反应性。当暴露于有机材料或某些化学物质时，液态氧可能导致快速燃烧或爆炸。这使得在储存或使用液态氧的环境中，安全协议变得至关重要。处理液态氧的行业必须实施严格的安全措施，以防止事故，确保工人接受培训以管理与这种强大物质相关的风险。总之，液态氧是一种具有多种应用的非凡材料，广泛应用于科学和工业。它独特的性质，包括高密度和反应性，使其在航空航天到医学等领域不可或缺。随着我们继续探索和利用液态氧，理解其特性以及使用时的注意事项将对安全有效地利用其全部潜力至关重要。