secondary radiation

简明释义

二次辐射

英英释义

例句

1.Researchers are studying the effects of secondary radiation 二次辐射 on human health in nuclear facilities.

研究人员正在研究 二次辐射 secondary radiation 对核设施中人类健康的影响。

2.It is crucial to measure secondary radiation 二次辐射 levels in environments where radioactive materials are used.

在使用放射性材料的环境中，测量 二次辐射 secondary radiation 水平至关重要。

3.In medical imaging, secondary radiation 二次辐射 can interfere with the clarity of the images produced.

在医学成像中，二次辐射 secondary radiation 可能会影响所产生图像的清晰度。

4.Radiation safety protocols must account for secondary radiation 二次辐射 to protect staff and patients.

辐射安全协议必须考虑到 二次辐射 secondary radiation 以保护工作人员和患者。

5.The use of lead shielding can minimize exposure to secondary radiation 二次辐射 during X-ray procedures.

在X光程序中使用铅屏蔽可以最小化对 二次辐射 secondary radiation 的暴露。

作文

In the field of physics and medical imaging, the term secondary radiation refers to the radiation that is emitted as a result of the interaction of primary radiation with matter. This concept is crucial in understanding how various imaging technologies work, such as X-ray machines and CT scanners. When primary radiation, which can be X-rays or gamma rays, strikes an object, it can cause the atoms within that object to become excited. As these atoms return to their ground state, they release energy in the form of secondary radiation.

One of the most common examples of secondary radiation occurs in radiology. When X-rays pass through the human body, they not only create images by directly hitting the film or digital sensor but also interact with tissues and bones. The interaction leads to the emission of secondary radiation, which can add noise to the image or, in some cases, provide additional diagnostic information. For instance, certain types of tissues may emit different levels of secondary radiation, allowing radiologists to distinguish between healthy and diseased areas more effectively.

Understanding secondary radiation is also vital for ensuring patient safety. While primary radiation is necessary for obtaining diagnostic images, excessive exposure to secondary radiation can pose health risks. Medical professionals must be aware of this when designing imaging protocols and shielding methods to minimize exposure. This is particularly important in procedures involving multiple imaging sessions, where cumulative exposure could lead to significant doses of radiation.

Furthermore, secondary radiation has implications beyond medical imaging. In nuclear physics, for example, when high-energy particles collide with materials, they can produce secondary radiation in the form of neutrons or photons. This phenomenon is relevant in various applications, including radiation therapy for cancer treatment, where the goal is to target tumors while minimizing damage to surrounding healthy tissue. By understanding how secondary radiation behaves, clinicians can optimize treatment plans to improve outcomes for patients.

In conclusion, the concept of secondary radiation plays a significant role in both medical imaging and radiation safety. It highlights the complex interactions that occur when primary radiation interacts with matter and emphasizes the need for careful consideration in medical practices. As technology advances and our understanding of radiation improves, the management of secondary radiation will continue to evolve, ultimately leading to better diagnostic and therapeutic techniques that prioritize patient safety and effectiveness.

在物理学和医学成像领域，术语二次辐射指的是由主辐射与物质相互作用后发出的辐射。这个概念对于理解各种成像技术的工作原理至关重要，例如X射线机和CT扫描仪。当主辐射（可以是X射线或伽马射线）击中物体时，它会使该物体内部的原子激发。当这些原子返回到其基态时，它们以二次辐射的形式释放能量。

在放射学中，二次辐射的一个常见例子发生在X射线穿透人体时。它们不仅通过直接击中胶卷或数字传感器来创建图像，还与组织和骨骼相互作用。这种相互作用导致发出二次辐射，这可能会为图像增加噪声，或者在某些情况下提供额外的诊断信息。例如，某些类型的组织可能会发出不同水平的二次辐射，使放射科医生能够更有效地区分健康和病变区域。

理解二次辐射对于确保患者安全也至关重要。虽然主辐射对于获取诊断图像是必要的，但过度暴露于二次辐射可能会带来健康风险。医疗专业人员在设计成像方案和屏蔽方法以最小化暴露时，必须对此保持警惕。这在涉及多次成像会话的程序中特别重要，因为累积暴露可能导致显著的辐射剂量。

此外，二次辐射的影响超出了医学成像。在核物理学中，例如，当高能粒子与材料碰撞时，它们可以产生二次辐射，以中子或光子的形式存在。这种现象在各种应用中都是相关的，包括癌症治疗中的放射治疗，其目标是在尽量减少对周围健康组织的损害的同时，针对肿瘤。通过理解二次辐射的行为，临床医生可以优化治疗计划，以改善患者的治疗效果。

总之，二次辐射的概念在医学成像和辐射安全中扮演着重要角色。它突显了当主辐射与物质相互作用时发生的复杂相互作用，并强调了在医疗实践中仔细考虑的必要性。随着技术的进步和我们对辐射的理解加深，对二次辐射的管理将继续发展，最终导致更好的诊断和治疗技术，优先考虑患者的安全和有效性。