chemical dosimeter

简明释义

化学剂量计

英英释义

例句

1.Researchers developed a new type of chemical dosimeter that is more sensitive to low levels of toxins.

研究人员开发了一种新型的化学剂量计，对低浓度毒素更敏感。

2.The chemical dosimeter can provide real-time readings of chemical exposure in hazardous environments.

化学剂量计可以实时提供危险环境中化学物质暴露的读数。

3.In nuclear facilities, a chemical dosimeter is essential for ensuring worker safety.

在核设施中，化学剂量计对于确保工人安全至关重要。

4.The laboratory used a chemical dosimeter to measure the exposure levels of radiation during the experiment.

实验室使用了一个化学剂量计来测量实验过程中辐射的暴露水平。

5.Before entering the contaminated area, workers are required to wear a chemical dosimeter to monitor their exposure.

在进入受污染区域之前，工人们需要佩戴化学剂量计来监测他们的暴露情况。

作文

In the field of radiation protection, one of the essential tools used to measure exposure to ionizing radiation is the chemical dosimeter. A chemical dosimeter is a device that uses chemical changes to quantify the amount of radiation absorbed by a material. This method of measurement is crucial for ensuring the safety of individuals working in environments where radiation exposure is a concern, such as hospitals, nuclear power plants, and research laboratories. The principle behind a chemical dosimeter involves the interaction between radiation and specific chemicals that change their properties when exposed to ionizing radiation.One of the most common types of chemical dosimeters is the thermoluminescent dosimeter (TLD). TLDs contain materials like lithium fluoride that trap electrons when exposed to radiation. When heated, these materials release the stored energy in the form of light, which can be measured to determine the radiation dose received. Another type of chemical dosimeter is the film badge, which consists of photographic film that darkens when exposed to radiation. The degree of darkening correlates with the amount of radiation exposure, allowing for quantification.The importance of chemical dosimeters cannot be overstated. They play a vital role in monitoring radiation levels and ensuring that workers are not exposed to harmful doses. Regulatory bodies often require the use of chemical dosimeters to maintain safety standards in workplaces that handle radioactive materials. Furthermore, these dosimeters are also used in medical settings, particularly in radiology departments, to protect staff from excessive radiation exposure during procedures involving X-rays or other imaging techniques.However, while chemical dosimeters are effective, they also have limitations. For instance, they may not provide real-time readings, which can be crucial in emergency situations. Additionally, the calibration of these devices needs to be done regularly to ensure accuracy. Despite these challenges, advancements in technology are continuously improving the reliability and efficiency of chemical dosimeters.In conclusion, the chemical dosimeter is an indispensable tool in the field of radiation safety. By providing a means to measure radiation exposure, these devices help protect workers and the general public from the potential dangers of ionizing radiation. As technology progresses, we can expect further innovations in chemical dosimetry, enhancing our ability to monitor and manage radiation exposure effectively.

在辐射防护领域，测量电离辐射暴露的基本工具之一是化学剂量计。化学剂量计是一种利用化学变化来量化材料吸收的辐射量的设备。这种测量方法对于确保在辐射暴露存在风险的环境中工作的人们的安全至关重要，例如医院、核电站和研究实验室。化学剂量计的原理涉及辐射与特定化学物质之间的相互作用，这些化学物质在暴露于电离辐射时会改变其性质。最常见的化学剂量计之一是热致发光剂量计（TLD）。TLD包含锂氟化物等材料，当暴露于辐射时会捕获电子。当加热时，这些材料以光的形式释放存储的能量，可以通过测量光的强度来确定接收到的辐射剂量。另一种化学剂量计是胶卷徽章，它由在暴露于辐射时会变暗的摄影胶卷组成。变暗程度与辐射暴露量相关联，从而允许量化。化学剂量计的重要性不容小觑。它们在监测辐射水平和确保工人不接触有害剂量方面发挥着至关重要的作用。监管机构通常要求在处理放射性材料的工作场所使用化学剂量计以维持安全标准。此外，这些剂量计还广泛应用于医疗环境，特别是在放射科，以保护工作人员在进行涉及X射线或其他成像技术的程序时不受到过多的辐射暴露。然而，尽管化学剂量计有效，但它们也存在局限性。例如，在紧急情况下，可能无法提供实时读数，这可能至关重要。此外，这些设备的校准需要定期进行，以确保准确性。尽管面临这些挑战，技术的进步正在不断提高化学剂量计的可靠性和效率。总之，化学剂量计是辐射安全领域不可或缺的工具。通过提供测量辐射暴露的手段，这些设备帮助保护工人和公众免受电离辐射潜在危险的影响。随着技术的进步，我们可以期待在化学剂量计方面的进一步创新，提高我们有效监测和管理辐射暴露的能力。