xenon

简明释义

英[ˈzenɒn;ˈziːnɒn]美[ˈzenɑːnˌˈziːnɑːn]

n. [化学] 氙（稀有气体元素）

英英释义

单词用法

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例句

1.Xenon is a very heavy element, and thus has a larger cross section for collision with a WIMP.

氙气是一个非常沉重的元素，因而具有更大的跨越与懦夫相撞一节。

2.Though costlier, xenon allows a discharge lamp to start far more quickly.

尽管成本高，氙气能够迅速启动发电灯管。

3.But that may not matter too much. Lasers are more efficient than xenon lamps, which waste a lot of energy as heat.

不过瑕不掩瑜，激光的效率比氙气灯高，因为后者的能量很多以热能的形式散失了。

4.Positron emission tomography study of regional cerebral metabolism during general anesthesia with xenon in humans.

氙气全身麻醉时对于人类局部区域脑代谢的正电子扫描图像研究。

5.About 30 major medical centers in the United States have xenon CAT scan technology.

美国大约有30家主要医疗中心有氙气CAT扫描仪技术。

6.The Premium optional package comes loaded with a sunroof, a power passenger seat and adaptive xenon headlights.

高级选装包包括天窗，电动乘客座椅以及可调节氙气头灯。

7.The xenon 氙气 flash lamps are commonly used in high-speed photography.

在高速摄影中，通常使用xenon 氙气闪光灯。

8.The car's headlights were upgraded to use xenon 氙气 bulbs for better visibility at night.

这辆车的前灯升级为使用xenon 氙气灯泡，以提高夜间能见度。

9.Astronomers have discovered that xenon 氙气 is present in the atmosphere of some distant planets.

天文学家发现某些遥远行星的大气中存在xenon 氙气。

10.In the laboratory, scientists often use xenon 氙气 in experiments involving high-energy physics.

在实验室中，科学家们常常在涉及高能物理的实验中使用xenon 氙气。

11.The new projector uses xenon 氙气 lamps to produce brighter and clearer images.

新的投影仪使用xenon 氙气灯来产生更明亮、更清晰的图像。

作文

Xenon is a fascinating element that has captured the interest of scientists and researchers for many years. As a noble gas, it is colorless, odorless, and tasteless, making it an elusive subject of study. The atomic number of xenon (氙) is 54, and it belongs to group 18 of the periodic table, which is known for containing elements that are largely inert. This inertness is one of the reasons why xenon (氙) is so intriguing; it does not easily react with other elements, making it stable under a wide range of conditions.One of the most notable uses of xenon (氙) is in the field of lighting. High-intensity discharge lamps that utilize xenon (氙) can produce a bright white light that is often used in movie projectors and certain types of car headlights. The light emitted by these lamps is very similar to natural sunlight, which makes it ideal for applications where accurate color representation is crucial. Furthermore, xenon (氙) lights are known for their efficiency and long lifespan, adding to their appeal in both commercial and residential settings.In addition to its applications in lighting, xenon (氙) also plays a significant role in the medical field. It is used in various imaging techniques, particularly in computed tomography (CT) scans. The use of xenon (氙) as a contrast agent enhances the quality of images, allowing for better diagnosis and treatment planning. This application showcases how xenon (氙) is not just a simple element, but rather a vital component in advancing medical technology.Moreover, xenon (氙) is also utilized in the realm of space exploration. It is employed as a propellant in ion thrusters, which are used in spacecraft propulsion systems. The use of xenon (氙) in this context is advantageous due to its high atomic weight, which allows for efficient thrust generation. This application highlights the versatility of xenon (氙) and its importance in modern aerospace engineering.On a more scientific level, researchers continue to explore the properties of xenon (氙) and its potential applications. For instance, studies have shown that xenon (氙) can form compounds under specific conditions, challenging the traditional view of noble gases as completely inert. These findings could pave the way for new materials and technologies that leverage the unique characteristics of xenon (氙).In conclusion, xenon (氙) is much more than just a noble gas; it is a multi-faceted element with diverse applications across various fields. From lighting and medical imaging to space exploration and scientific research, xenon (氙) continues to play a crucial role in advancing technology and improving our understanding of the natural world. As we delve deeper into the study of this remarkable element, we may uncover even more innovative uses that can benefit society in the future.

氙是一种引人入胜的元素，多年来吸引了科学家和研究人员的兴趣。作为一种惰性气体，它无色、无味、无臭，使其成为一个难以捉摸的研究对象。xenon（氙）的原子序数为54，属于周期表的第18组，这一组以包含大多数惰性元素而闻名。这种惰性是xenon（氙）如此迷人的原因之一；它不容易与其他元素反应，在广泛的条件下保持稳定。xenon（氙）最显著的用途之一是在照明领域。利用xenon（氙）的高强度放电灯可以产生明亮的白光，常用于电影放映机和某些类型的汽车前灯。这些灯发出的光非常类似于自然阳光，使其在需要准确颜色表现的应用中理想。此外，xenon（氙）灯以其高效和长寿命而闻名，增加了其在商业和住宅环境中的吸引力。除了在照明方面的应用，xenon（氙）还在医疗领域中发挥着重要作用。它被用于各种成像技术，特别是在计算机断层扫描（CT）中。将xenon（氙）用作对比剂可以增强图像质量，从而更好地进行诊断和治疗计划。这一应用展示了xenon（氙）不仅仅是一个简单的元素，而是推进医疗技术的重要组成部分。此外，xenon（氙）还在太空探索领域中得到了应用。它被用作离子推进器中的推进剂，这些推进器用于航天器的推进系统。在这种情况下使用xenon（氙）是有利的，因为它具有较高的原子量，可以有效产生推力。这一应用突显了xenon（氙）的多功能性及其在现代航空航天工程中的重要性。从更科学的角度来看，研究人员继续探索xenon（氙）的特性及其潜在应用。例如，研究表明，在特定条件下，xenon（氙）可以形成化合物，这挑战了传统上认为惰性气体完全惰性的观点。这些发现可能为利用xenon（氙）的独特特性开发新材料和技术铺平道路。总之，xenon（氙）远不止是一种惰性气体；它是一种多面向的元素，在各个领域都有多样的应用。从照明和医学成像到太空探索和科学研究，xenon（氙）继续在推进技术和改善我们对自然世界的理解方面发挥关键作用。随着我们深入研究这一非凡元素，我们可能会发现更多创新的用途，以造福未来社会。