linac

简明释义

英[ˈlɪnæk]美[ˈlaɪnˌæk]

n. [核] 直线性加速器

英英释义

单词用法

同义词

反义词

例句

1.The frequency stability of the power source for a feedback LINAC depends on the slow shift, stability and form of power spectrum of the magnetron.

功率反馈电子直线加速器功率源的频率稳定性与磁控管功率谱的慢漂移、谱的稳定性和谱的形状有关。

2.The features of the BEPCII linac vacuum system are described, with the remote monitoring system used in the process of ion pump power starting to normal operation and overflow protection based on PLC.

同时介绍了基于PLC可编程控制器应用于离子泵电源的启动和过流保护的远控系统。

3.However, treatment will inevitably take longer: radiosurgery is paused whilst the exchange is performed and the linac must be moved around the patient with each collimator fitted.

尽管如此，治疗时间不可避免地延长了：当更换时放射外科治疗必须中止，配置各个准直器的直线加速器必须围绕患者运动。

4.The nonlinear space charge effect due to the nonuniform particle density distribution in bunched beam of a linac is discussed.

提出了在强流直线加速器中，由空间电荷束团的密度分布所引起的非线性效应。

5.The TESLA positron injector linac with a L-band TW normal conducting structure has been studied, which offers both higher shunt impedance and larger aperture.

TESLA行波正电子注入器采用L波段常温加速结构，它同时具有高分路阻抗和大孔径的优点。

6.In large container inspection systems, the image is constructed by parallel scanning with a one-dimensional detector array with a linac used as the X-ray source.

大型集装箱检查系统中，采用一维线阵列探测器并行扫描方式，并以直线加速器为X射线源。

7.The dust in the high-energy electron linac tunnel may be activated via photonuclear reaction and neutron nuclear reaction.

高能电子直线加速器隧道内的灰尘会通过光核反应、中子核反应而被活化。

8.The hospital installed a new linac 直线加速器 for cancer treatment.

医院安装了一台新的linac 直线加速器用于癌症治疗。

9.Radiation oncologists often use a linac 直线加速器 to deliver precise doses of radiation.

放射肿瘤学家经常使用linac 直线加速器来提供精确的放射剂量。

10.The linac 直线加速器 is essential for modern radiotherapy techniques.

对于现代放射治疗技术来说，linac 直线加速器是必不可少的。

11.Patients undergoing treatment with a linac 直线加速器 are monitored closely for side effects.

接受linac 直线加速器治疗的患者会被密切监测副作用。

12.The research team studied the efficiency of a new type of linac 直线加速器 technology.

研究小组研究了一种新型linac 直线加速器技术的效率。

作文

The term linac refers to a linear accelerator, a device used to accelerate charged particles, such as electrons or protons, to high energies. In the field of physics and medicine, linac plays a crucial role, particularly in cancer treatment through radiation therapy. The basic principle of a linac involves the use of electromagnetic fields to propel particles along a straight path, which allows for precise control over their energy levels. This technology has advanced significantly since its inception, leading to more effective treatment options for patients. In radiation therapy, the linac is essential for delivering targeted doses of radiation to tumors while minimizing exposure to surrounding healthy tissues. This capability is vital for improving patient outcomes and reducing side effects associated with traditional radiation methods. The development of modern linacs includes features such as image guidance systems that enhance the accuracy of tumor targeting. Moreover, the versatility of linacs extends beyond oncology. They are also utilized in various research applications, including particle physics experiments and materials science studies. Researchers employ linacs to generate high-energy beams that can probe the fundamental properties of matter, contributing to our understanding of the universe. The design and operation of a linac involve complex engineering and physics principles. Engineers must ensure that the components, such as radiofrequency cavities and magnets, work together seamlessly to achieve the desired acceleration. As technology advances, newer models of linacs are being developed with improved efficiency and capabilities. For instance, compact linacs are being designed for use in smaller medical facilities, making advanced treatments more accessible to patients. In conclusion, the linac is a remarkable technological achievement that has transformed both medical treatment and scientific research. Its ability to accelerate particles to high energies opens up a world of possibilities in various fields. Understanding the significance of linac helps us appreciate the intersection of science and technology and its profound impact on human health and knowledge. As we continue to innovate and improve these devices, the potential for linacs to contribute to future discoveries and advancements remains vast.

术语linac指的是线性加速器，这是一种用于将带电粒子（如电子或质子）加速到高能量的设备。在物理和医学领域，linac发挥着至关重要的作用，尤其是在通过放射治疗进行癌症治疗方面。linac的基本原理是利用电磁场推动粒子沿直线路径移动，从而实现对其能量水平的精确控制。自其诞生以来，这项技术已经取得了显著进展，为患者提供了更有效的治疗选择。 在放射治疗中，linac对于将定向的辐射剂量精确地输送到肿瘤，同时尽量减少对周围健康组织的暴露至关重要。这种能力对于改善患者的治疗结果和减少与传统放射方法相关的副作用至关重要。现代linac的发展包括图像引导系统等功能，这些系统提高了肿瘤定位的准确性。 此外，linac的多功能性不仅限于肿瘤学。它们还被用于各种研究应用，包括粒子物理实验和材料科学研究。研究人员利用linac生成高能束流，以探测物质的基本属性，促进我们对宇宙的理解。 linac的设计和操作涉及复杂的工程和物理原理。工程师必须确保组件（如射频腔和磁铁）无缝协作，以实现所需的加速。随着技术的进步，新的linac模型正在开发中，具有更高的效率和能力。例如，紧凑型linac正被设计用于较小的医疗设施，使先进的治疗对患者更具可及性。 总之，linac是一项非凡的技术成就，已经改变了医学治疗和科学研究。其将粒子加速到高能量的能力为各个领域打开了可能性的大门。理解linac的重要性有助于我们欣赏科学与技术的交汇及其对人类健康和知识的深远影响。随着我们不断创新和改善这些设备，linac在未来发现和进步中的潜力依然巨大。