linear accelerator

简明释义

直线加速器

英英释义

例句

1.The linear accelerator can generate high-energy beams for medical and research purposes.

该直线加速器可以产生用于医学和研究目的的高能束。

2.During the treatment, the patient lies on a table while the linear accelerator targets the tumor.

在治疗过程中，患者躺在桌子上，而直线加速器则针对肿瘤。

3.Our facility is equipped with the latest technology, including a state-of-the-art linear accelerator.

我们的设施配备了最新技术，包括一台最先进的直线加速器。

4.The hospital recently upgraded its equipment to include a new linear accelerator.

医院最近升级了设备，增加了一台新的直线加速器。

5.Doctors use a linear accelerator to deliver precise radiation therapy to cancer patients.

医生使用直线加速器为癌症患者提供精确的放射治疗。

作文

A linear accelerator, often abbreviated as linac, is a type of particle accelerator that accelerates charged particles along a straight path. This technology has found numerous applications in various fields, particularly in medicine and research. In medical applications, a linear accelerator (线性加速器) is primarily used for radiation therapy to treat cancer. By delivering high-energy x-rays or electrons to the tumor, it targets and destroys cancerous cells while minimizing damage to surrounding healthy tissues. The precision of a linear accelerator (线性加速器) allows oncologists to focus the radiation dose on the tumor, making it an essential tool in modern oncology.In addition to its medical uses, the linear accelerator (线性加速器) is also employed in scientific research, particularly in particle physics. Researchers use linacs to accelerate electrons or protons to high speeds, enabling them to collide with other particles. These collisions help scientists to explore fundamental questions about the universe, such as the nature of matter and the fundamental forces that govern it. For instance, the Large Electron-Positron Collider (LEP) at CERN utilized a series of linear accelerators (线性加速器) to reach the necessary energy levels for particle collisions.The design of a linear accelerator (线性加速器) consists of several key components, including an electron gun, radiofrequency cavities, and beam transport systems. The electron gun generates a stream of electrons, which are then accelerated through the radiofrequency cavities. These cavities use electromagnetic fields to boost the energy of the particles as they travel through them. Once the particles reach the desired energy level, they are directed towards the target area, whether that be a tumor in a patient or another particle source in a research facility.One of the significant advantages of using a linear accelerator (线性加速器) is its ability to produce high-energy beams with minimal radiation exposure to the surrounding environment. This is particularly important in medical settings, where patient safety is paramount. Furthermore, advancements in technology have led to the development of more sophisticated linacs that can deliver precise doses of radiation in a variety of treatment plans, including stereotactic radiosurgery and intensity-modulated radiation therapy.Despite its benefits, the operation of a linear accelerator (线性加速器) requires highly trained personnel. Medical physicists, radiation oncologists, and technicians must collaborate closely to ensure the equipment operates safely and effectively. Regular maintenance and calibration are also crucial to guarantee that the linear accelerator (线性加速器) functions correctly and delivers accurate doses of radiation.In conclusion, the linear accelerator (线性加速器) is a remarkable technological innovation that has significantly impacted both medicine and scientific research. Its ability to accelerate charged particles in a controlled manner has made it an indispensable tool in treating cancer and exploring the fundamental aspects of our universe. As technology continues to advance, we can expect even more innovative applications of linear accelerators (线性加速器) in the future, further enhancing their role in improving health outcomes and expanding our understanding of the physical world.