radioactively

简明释义

英[ˌreɪ.di.oʊˈæk.tɪv.li]美[ˌreɪ.di.oʊˈæk.tɪv.li]

放射性地

英英释义

单词用法

同义词

反义词

例句

1.But even then, the water in the pipes tends to be radioactively contaminated because the valves that separate it from the reactor are not entirely tight.

但是即便如此，水管中的水也可能会存在放射性污染物，因为用于把水域反应堆隔开的阀门并不完全是密闭的。

2.Scientists therefore propose using sunflowers for decontamination wherever there are radioactively contaminated ponds.

因此，科学家建议，只要有受放射性污染的池塘，就可以用向日葵来消毒。

3.As the plutonium-238 that served as the Pioneers' onboard heat source radioactively decayed, it would have emitted less heat over time.

为先驱者号们提供舱内热动力源的钚238会有放射性衰变，其发射量会随着时间的推移而越来越小。

4.To investigate levels of skin exposure, the researchers took radioactively labelled BPA and observed the movement of radioactivity through pig ear skin - a widely used model for human skin.

为了调查皮肤对双酚a的吸收水平，研究者用放射性同位素对双酚a做了标志，观察放射性标志在猪耳朵皮肤内的活动——这是种广泛应用的代替人类皮肤的实验模式。

5.Another proprietary antibody that binds to CD20, called tositumomab, is radioactively labelled.

他们使用另外一种放射标记的连接CD 20的抗体：tositumomab。

6.To investigate levels of skin exposure, the researchers took radioactively labelled BPA and observed the movement of radioactivity through pig ear skin - a widely used model for human skin.

为了调查皮肤对双酚a的吸收水平，研究者用放射性同位素对双酚a做了标志，观察放射性标志在猪耳朵皮肤内的活动——这是种广泛应用的代替人类皮肤的实验模式。

7.Volunteers are given tiny traces of a radioactively labelled drug-too small to harm them, and typically just one-hundredth of the estimated full dose-in a drink.

志愿者饮用了微量的放射性元素标记的药物——剂量小到没有伤害，只有足量的百分之一。

8.They discovered that the old building was radioactively 放射性地 contaminated after a thorough inspection.

经过彻底检查，他们发现这座旧建筑放射性地受到污染。

9.The area was declared unsafe due to radioactively 放射性地 contaminated materials.

由于存在放射性地污染的材料，该地区被宣布为不安全。

10.The team used special equipment to measure how radioactively 放射性地 active the soil was.

团队使用特殊设备测量土壤的放射性地活跃程度。

11.Scientists are studying how plants can absorb radioactively 放射性地 contaminated soil.

科学家正在研究植物如何吸收放射性地污染的土壤。

12.The waste from the nuclear plant is stored radioactively 放射性地 to prevent contamination.

核电厂的废物以放射性地方式储存，以防止污染。

作文

The concept of radioactivity has fascinated scientists and the general public alike for over a century. When we think of radioactivity, we often picture glowing substances or catastrophic nuclear accidents. However, the reality is much more complex and nuanced. Radioactivity refers to the process by which unstable atomic nuclei lose energy by emitting radiation. This can occur in various forms, including alpha particles, beta particles, and gamma rays. These emissions can be both beneficial and harmful, depending on how they are used and the context in which they occur.One of the most significant applications of radioactivity is in the field of medicine. For instance, radioactive isotopes are used in diagnostic imaging and cancer treatments. In these cases, materials that emit radiation are introduced into the body to either target and destroy cancerous cells or to provide detailed images of internal organs. The use of these materials must be carefully controlled, as they can be dangerous if not handled properly. The idea of using substances that are radioactively active in a medical setting may seem alarming, but when used correctly, they can save lives and improve health outcomes.In addition to medicine, radioactivity plays a crucial role in energy production. Nuclear power plants harness the energy released from radioactively decaying materials to generate electricity. This method of energy production is often debated due to concerns about safety and environmental impact. While nuclear energy is a low-carbon alternative to fossil fuels, the potential risks associated with radioactive waste disposal and the possibility of catastrophic failures cannot be ignored. Thus, the conversation surrounding nuclear energy is complex, requiring a balance between the benefits of clean energy and the risks associated with radioactively hazardous materials.Moreover, radioactivity is a natural phenomenon that occurs all around us. Elements such as uranium and radon are present in the earth’s crust and can be found in varying concentrations in our environment. People are constantly exposed to low levels of background radiation from cosmic rays and terrestrial sources. Understanding this exposure is essential for public health, as prolonged contact with radioactively contaminated materials can lead to serious health issues, including cancer.Education about radioactivity is vital in today’s society. As technology advances, the potential uses of radioactively active materials are expanding. It is imperative that individuals understand both the advantages and risks associated with these materials. Schools and universities should include comprehensive science curricula that cover the principles of radioactivity, its applications, and safety measures. By fostering a well-informed populace, we can ensure that the benefits of radioactivity are maximized while minimizing the risks.In conclusion, radioactivity is a multifaceted topic that encompasses a wide range of applications and implications. From its use in medical treatments to its role in energy production, the effects of radioactively active materials are far-reaching. As we continue to explore the possibilities of these materials, it is crucial to approach them with caution and respect. By educating ourselves and others, we can harness the power of radioactivity for the greater good while safeguarding our health and the environment.

放射性的概念在一个多世纪以来吸引了科学家和公众的关注。当我们想到放射性时，往往会想象发光的物质或灾难性的核事故。然而，现实要复杂得多。放射性是指不稳定的原子核通过发射辐射失去能量的过程。这可以以多种形式发生，包括阿尔法粒子、贝塔粒子和伽马射线。这些辐射的释放在不同的情况下既可以是有益的，也可以是有害的，具体取决于它们的使用方式和发生的背景。放射性的一个重要应用是在医学领域。例如，放射性同位素被用于诊断成像和癌症治疗。在这些情况下，发出辐射的材料被引入体内，以便靶向并摧毁癌细胞，或提供内部器官的详细图像。这些材料的使用必须严格控制，因为如果处理不当，它们可能会很危险。在医疗环境中使用放射性活性物质的想法可能听起来令人不安，但如果正确使用，它们可以拯救生命并改善健康结果。除了医学，放射性在能源生产中也起着至关重要的作用。核电站利用从放射性衰变材料中释放的能量来发电。这种能源生产方法通常因安全和环境影响的担忧而受到争议。虽然核能是低碳替代化石燃料的选择，但与放射性废物处置和灾难性故障相关的潜在风险不能被忽视。因此，围绕核能的讨论是复杂的，需要在清洁能源的好处与与放射性危险材料相关的风险之间取得平衡。此外，放射性是一种自然现象，发生在我们周围。铀和氡等元素存在于地壳中，并且可以在我们的环境中以不同浓度出现。人们不断暴露于来自宇宙射线和陆地源的低水平背景辐射中。了解这种暴露对公众健康至关重要，因为与放射性污染材料的长期接触可能导致严重的健康问题，包括癌症。关于放射性的教育在今天的社会中至关重要。随着技术的进步，放射性活性材料的潜在用途正在扩大。个人了解与这些材料相关的优点和风险是非常重要的。学校和大学应该包括全面的科学课程，涵盖放射性的原理、应用和安全措施。通过培养一个知识渊博的公众，我们可以确保最大限度地利用放射性的好处，同时最小化风险。总之，放射性是一个多方面的话题，涵盖了广泛的应用和影响。从其在医学治疗中的使用到其在能源生产中的角色，放射性活性材料的影响深远。随着我们继续探索这些材料的可能性，谨慎和尊重地对待它们至关重要。通过教育自己和他人，我们可以为更大的利益利用放射性的力量，同时保护我们的健康和环境。