emanation coefficient

简明释义

放射系数

英英释义

例句

1.To assess the health risks, we must consider the emanation coefficient of the hazardous waste.

为了评估健康风险，我们必须考虑危险废物的逸散系数。

2.A higher emanation coefficient indicates that a substance releases more gas into the environment.

更高的逸散系数表明一种物质向环境释放更多气体。

3.Researchers measured the emanation coefficient of radon in various soil samples.

研究人员测量了不同土壤样本的逸散系数。

4.The emanation coefficient is crucial for understanding how gases escape from a material.

对于理解气体如何从材料中逸出，逸散系数是至关重要的。

5.The study focused on the emanation coefficient of radioactive materials in construction materials.

该研究集中在建筑材料中放射性物质的逸散系数。

作文

The concept of the emanation coefficient plays a crucial role in various scientific fields, particularly in nuclear physics and environmental science. To fully understand the significance of this term, we must first break it down into its components. The word 'emanation' refers to the process of emitting or releasing something, often in the form of gas or radiation. In contrast, 'coefficient' is a numerical or constant quantity that serves as a measure of some property or characteristic. Therefore, the emanation coefficient can be understood as a quantitative measure of the rate at which certain substances, such as radioactive gases, are emitted from a given material.In nuclear physics, the emanation coefficient is particularly important when studying the behavior of radon gas, which is a naturally occurring radioactive gas that can pose health risks when accumulated in enclosed spaces. The emanation coefficient helps scientists determine how much radon is released from soil or building materials, which is essential for assessing potential exposure levels to humans. By understanding this coefficient, researchers can develop better strategies for mitigating radon accumulation in homes and public buildings, thereby protecting public health.Moreover, the emanation coefficient is not limited to radon; it can also apply to other radioactive isotopes. For example, in the context of uranium mining, the emanation coefficient can be utilized to evaluate the release of radon from uranium ore. This information is vital for environmental monitoring and ensuring that mining operations adhere to safety regulations. The measurement of the emanation coefficient allows for the assessment of potential environmental contamination and the implementation of necessary remediation measures.In environmental science, the emanation coefficient can also aid in understanding the behavior of volatile organic compounds (VOCs). These compounds are often released from industrial processes and can have harmful effects on air quality and human health. By measuring the emanation coefficient of specific VOCs, researchers can gain insights into their emission rates and the factors that influence their dispersion in the atmosphere. This knowledge is crucial for developing effective air quality management strategies and regulatory policies aimed at reducing pollution.Furthermore, the emanation coefficient has applications beyond just nuclear and environmental sciences. It can also be relevant in fields such as geology and archaeology, where understanding the release of gases from sedimentary layers can provide insights into past climatic conditions and geological events. By analyzing the emanation coefficient of certain gases trapped in ice cores or sediment, scientists can reconstruct historical atmospheric compositions and better understand the Earth's climate history.In conclusion, the emanation coefficient is a multifaceted concept that holds significant importance across various scientific disciplines. Its ability to quantify the rate of emission of substances like radon and VOCs makes it an invaluable tool for researchers and policymakers alike. As we continue to face challenges related to environmental health and safety, the understanding and application of the emanation coefficient will undoubtedly play a key role in our efforts to create a safer and healthier world for future generations.

‘发射系数’这一概念在多个科学领域中发挥着至关重要的作用，特别是在核物理学和环境科学中。要全面理解这个术语的意义，我们必须首先将其分解为组成部分。‘发射’一词指的是以气体或辐射的形式发出或释放某物的过程。相反，‘系数’是一个数字或常量，作为某种属性或特征的度量。因此，‘发射系数’可以理解为某些物质（例如放射性气体）从给定材料中释放的速率的定量测量。在核物理学中，‘发射系数’在研究氡气的行为时尤为重要，氡是一种天然存在的放射性气体，当在封闭空间内积聚时可能会对健康构成风险。‘发射系数’帮助科学家确定氡从土壤或建筑材料中释放的量，这对于评估人类潜在接触水平至关重要。通过理解这一系数，研究人员可以制定更好的策略，以减轻家庭和公共建筑中的氡积聚，从而保护公众健康。此外，‘发射系数’不仅限于氡；它也可以适用于其他放射性同位素。例如，在铀矿开采的背景下，‘发射系数’可用于评估铀矿石中氡的释放。这些信息对于环境监测和确保采矿操作遵循安全法规至关重要。‘发射系数’的测量使得评估潜在环境污染和实施必要修复措施成为可能。在环境科学中，‘发射系数’还可以帮助理解挥发性有机化合物（VOCs）的行为。这些化合物通常是工业过程释放的，可能对空气质量和人类健康产生有害影响。通过测量特定VOCs的‘发射系数’，研究人员可以深入了解其排放速率及影响其扩散到大气中的因素。这些知识对于制定有效的空气质量管理策略和减少污染的监管政策至关重要。此外，‘发射系数’不仅仅适用于核科学和环境科学，它在地质学和考古学等领域也具有相关性。在这些领域中，了解沉积层中气体的释放可以提供过去气候条件和地质事件的见解。通过分析冰芯或沉积物中被困气体的‘发射系数’，科学家可以重建历史大气成分，更好地理解地球的气候历史。总之，‘发射系数’是一个多方面的概念，在多个科学学科中具有重要意义。它能够定量化氡和VOCs等物质的排放速率，使其成为研究人员和政策制定者不可或缺的工具。随着我们继续面临与环境健康和安全相关的挑战，对‘发射系数’的理解和应用无疑将在我们努力为未来世代创造一个更安全、更健康的世界中发挥关键作用。