coolidge tube

简明释义

热阴极电子射线管

英英释义

A Coolidge tube is a type of X-ray tube that uses a heated filament to produce electrons, which are then accelerated towards a target to generate X-rays.

库利奇管是一种X射线管,利用加热的灯丝产生电子,然后将这些电子加速至靶材以生成X射线。

例句

1.In physics classes, we often demonstrate how a coolidge tube works.

在物理课上,我们经常演示coolidge tube是如何工作的。

2.Researchers are studying the efficiency of the coolidge tube for medical imaging.

研究人员正在研究coolidge tube在医学成像中的效率。

3.The invention of the coolidge tube revolutionized radiography.

coolidge tube的发明彻底改变了放射摄影。

4.The coolidge tube is essential in modern X-ray machines.

在现代X射线机中,coolidge tube是必不可少的。

5.Without the coolidge tube, many diagnostic procedures would be less effective.

没有coolidge tube,许多诊断程序的效果会大打折扣。

作文

The invention of the Coolidge tube marked a significant advancement in the field of X-ray technology. Before its development, early X-ray tubes were inefficient and produced low-quality images, which limited their use in medical diagnostics. The Coolidge tube, named after physicist William D. Coolidge, was introduced in 1913 and revolutionized the way X-rays were generated. It provided a stable source of X-rays by utilizing a heated filament that emitted electrons, which then collided with a target made of tungsten. This design allowed for greater control over the X-ray output and improved image quality significantly.The Coolidge tube operates on the principle of thermionic emission, where heating the filament causes it to emit electrons. These electrons are then accelerated towards the tungsten target by applying a high voltage. When the electrons strike the target, they produce X-rays through a process known as bremsstrahlung radiation. One of the key advantages of the Coolidge tube is its ability to produce a continuous and consistent X-ray beam, which is essential for obtaining clear and detailed images necessary for accurate diagnoses.In addition to improving image quality, the Coolidge tube also enhanced the safety of X-ray procedures. Earlier tubes often overheated and required frequent replacements, posing risks to both patients and healthcare providers. The design of the Coolidge tube included better cooling mechanisms, allowing it to operate for extended periods without overheating. This reliability made it a preferred choice in hospitals and clinics, leading to its widespread adoption.The impact of the Coolidge tube extended beyond just medical imaging. It also played a crucial role in various industrial applications, such as non-destructive testing and material analysis. The ability to generate high-quality X-rays opened new avenues for research and development in multiple fields, including engineering and materials science. As industries sought to ensure the integrity of their products, the Coolidge tube provided a reliable means of inspecting materials for defects and structural weaknesses.Over the years, advancements in technology have led to the development of more sophisticated X-ray systems, but the fundamental principles behind the Coolidge tube remain relevant. Modern X-ray machines still utilize similar concepts of electron emission and acceleration, although they often incorporate digital imaging technologies for enhanced accuracy and efficiency. The legacy of the Coolidge tube is evident in the way we approach medical imaging today, as it laid the groundwork for future innovations in the field.In conclusion, the Coolidge tube represents a pivotal moment in the history of medical imaging and industrial applications. Its introduction not only improved the quality and safety of X-ray procedures but also expanded the possibilities for research and inspection across various fields. Understanding the significance of the Coolidge tube helps us appreciate the technological advancements that continue to shape our world, reminding us of the importance of innovation in enhancing our capabilities and improving our lives.

库利奇管的发明标志着X射线技术领域的一项重大进展。在其发展之前,早期的X射线管效率低下,生成的图像质量差,这限制了它们在医学诊断中的应用。库利奇管以物理学家威廉·D·库利奇的名字命名,于1913年推出,彻底改变了X射线的生成方式。它通过利用加热的灯丝发射电子,从而提供了稳定的X射线源,这些电子然后与由钨制成的靶材碰撞。这种设计允许对X射线输出进行更好的控制,并显著改善了图像质量。库利奇管的工作原理是热电子发射,加热灯丝使其发射电子。这些电子随后通过施加高电压加速到钨靶上。当电子撞击靶材时,通过一种称为制动辐射的过程产生X射线。库利奇管的一个关键优点是能够产生连续且一致的X射线束,这对于获取清晰和详细的图像以进行准确诊断至关重要。除了改善图像质量外,库利奇管还提高了X射线程序的安全性。早期的管子经常过热,需要频繁更换,这给患者和医疗提供者带来了风险。库利奇管的设计包括更好的冷却机制,使其可以在不发生过热的情况下长时间运行。这种可靠性使其成为医院和诊所的首选,导致其广泛采用。库利奇管的影响超越了医学成像,它在各种工业应用中也发挥了关键作用,例如无损检测和材料分析。生成高质量X射线的能力为多个领域的研究和开发开辟了新途径,包括工程和材料科学。随着工业界寻求确保其产品的完整性,库利奇管提供了一种可靠的方法来检查材料的缺陷和结构弱点。多年来,技术的进步导致了更复杂的X射线系统的发展,但库利奇管背后的基本原理仍然相关。现代X射线机仍然利用类似的电子发射和加速概念,尽管它们通常结合数字成像技术以提高准确性和效率。库利奇管的遗产在于我们今天对医学成像的处理,因为它为该领域未来的创新奠定了基础。总之,库利奇管代表了医学成像和工业应用历史上的一个关键时刻。它的引入不仅改善了X射线程序的质量和安全性,还扩展了各个领域的研究和检查的可能性。理解库利奇管的重要性帮助我们欣赏继续塑造我们世界的技术进步,提醒我们创新在增强我们能力和改善生活中的重要性。

相关单词

tube

tube详解:怎么读、什么意思、用法