radiometric

简明释义

英[ˌreɪdiəʊˈmetrɪk]美[ˌreɪdioʊˈmetrɪk]

adj. 放射性测量的；辐射度的；辐射测量的

英英释义

单词用法

同义词

反义词

例句

1.A new advanced high-accuracy radiometric calibration technology based on detector can satisfy the needs.

基于探测器的新一代辐射定标技术可以满足这一需求。

2.Because of these advantages, sedimentary evidence can be dated with sufficient accuracy by radiometric methods to establish a precise chronology of the ice ages.

由于这些优点，可以通过辐射测量方法以足够确定沉积证据的年代，从而建立一个精确的冰河时代年表。

3.Radiometric techniques are not always appropriate to the earth for uranium deposits .

放射性方法在铀矿普查中并不总是有效的。

4.The method research of Envisat-1 ASAR data preprocessing includes radiometric calibration, geometrical correction and speckle reduction.

主要的研究内容如下：(1)ASAR数据预处理方法研究，包括辐射定标、几何校正和斑点噪声的去除。

5.The method research of Envisat-1 ASAR data preprocessing includes radiometric calibration, geometrical correction and speckle reduction.

主要的研究内容如下：(1)ASAR数据预处理方法研究，包括辐射定标、几何校正和斑点噪声的去除。

6.The expressions for the range resolution, the azimuth resolution, and the radiometric resolution are given.

阐述了多种辐射分辨率定义的内涵，并对其相应的错误概率进行了比较。

7.Then, a fusion method of radiometric and scattering measurements is put forward.

接着，提出了一种辐射散射融合测量方法。

8.The surveyed grids were also used for radiometric probing .

该方格网还用来进行放射性浅孔测量。

9.The scientists used radiometric 辐射测量的 dating to determine the age of the ancient artifacts.

科学家们使用辐射测量的年代测定法来确定这些古代文物的年龄。

10.In geology, radiometric 辐射测量的 techniques are essential for understanding the Earth's history.

在地质学中，辐射测量的技术对于理解地球的历史至关重要。

11.The radiometric 辐射测量的 analysis revealed significant information about the rock formations.

该辐射测量的分析揭示了关于岩石结构的重要信息。

12.Using radiometric 辐射测量的 methods, researchers were able to trace the origin of the volcanic rocks.

研究人员利用辐射测量的方法追踪火山岩的来源。

13.The radiometric 辐射测量的 calibration of the instruments was crucial for accurate results.

仪器的辐射测量的校准对获得准确结果至关重要。

作文

In the field of science, particularly in geology and archaeology, the term radiometric refers to methods that measure the decay of radioactive isotopes to determine the age of materials. This technique has revolutionized our understanding of the Earth’s history and the timeline of human civilization. The principle behind radiometric dating is based on the predictable rates at which certain isotopes decay over time. For instance, carbon-14 dating is a widely known radiometric method used to date organic materials up to about 50,000 years old. By measuring the remaining amount of carbon-14 in a sample, scientists can calculate when the organism died, providing valuable insights into historical events and environmental changes. The significance of radiometric techniques extends beyond just dating artifacts; it also plays a crucial role in understanding geological processes. For example, radiometric dating of rocks helps geologists determine the age of various geological formations and the timing of significant events such as volcanic eruptions or the formation of mountain ranges. This information is vital for constructing a comprehensive history of the Earth’s development. Moreover, radiometric methods are not limited to carbon-14. There are several other isotopes used for dating, including uranium-lead, potassium-argon, and rubidium-strontium. Each of these methods has its own range of applicability and is suited for different types of materials. For instance, uranium-lead dating is often used for dating ancient rocks that are millions of years old, while potassium-argon dating is useful for volcanic rocks and ash layers. However, the application of radiometric dating is not without challenges. Factors such as contamination of samples, the presence of daughter isotopes, and environmental conditions can affect the accuracy of the results. Scientists must take great care in collecting samples and interpreting data to ensure that their findings are reliable. Despite these challenges, the advancements in radiometric techniques continue to enhance our understanding of both the Earth and human history. In conclusion, the term radiometric encompasses a range of scientific methods that are essential for dating materials and understanding geological processes. Its impact on fields such as geology and archaeology cannot be overstated. As technology continues to evolve, we can expect further improvements in radiometric methods, leading to even more precise measurements and deeper insights into the past. This ongoing research not only enriches our knowledge of history but also informs our understanding of the planet's future, making radiometric techniques invaluable tools in the quest for knowledge.

在科学领域，尤其是地质学和考古学中，术语radiometric指的是测量放射性同位素衰变以确定材料年龄的方法。这种技术彻底改变了我们对地球历史和人类文明时间线的理解。radiometric测年原理基于某些同位素随时间衰变的可预测速率。例如，碳-14测年是一种广为人知的radiometric方法，用于测定有机材料的年龄，最长可达约50,000年。通过测量样品中剩余的碳-14量，科学家可以计算出生物体死亡的时间，从而提供对历史事件和环境变化的宝贵见解。 radiometric技术的重要性不仅限于文物的测年；它在理解地质过程方面也发挥着至关重要的作用。例如，对岩石的radiometric测年帮助地质学家确定各种地质构造的年龄以及重大事件的发生时间，如火山喷发或山脉的形成。这些信息对于构建地球发展的全面历史至关重要。 此外，radiometric方法并不限于碳-14。还有几种其他同位素用于测年，包括铀-铅、钾-氩和铷-锶等。这些方法各自适用于不同类型的材料。例如，铀-铅测年通常用于测定数百万年前的古老岩石，而钾-氩测年则适用于火山岩和火山灰层。 然而，radiometric测年应用并非没有挑战。样品污染、子同位素的存在和环境条件等因素都可能影响结果的准确性。科学家必须在采集样品和解释数据时非常谨慎，以确保他们的发现可靠。尽管面临这些挑战，radiometric技术的进步仍在不断增强我们对地球和人类历史的理解。 总之，术语radiometric涵盖了一系列对材料进行测年和理解地质过程至关重要的科学方法。它对地质学和考古学等领域的影响不可低估。随着技术的不断发展，我们可以期待radiometric方法的进一步改进，从而带来更精确的测量和对过去更深入的洞察。这项持续的研究不仅丰富了我们对历史的知识，还为我们理解地球的未来提供了依据，使得radiometric技术成为追求知识过程中不可或缺的工具。