isotopic

简明释义

英[ˌaɪsəˈtɒpɪk]美[aɪsoʊˈtɑːpɪk]

adj. 同位素的；同位旋的

英英释义

单词用法

同义词

反义词

例句

1.Spectrometry is preferably used each time extremely low concentrations and isotopic abundance are to be determined.

每当测定非常低的浓度和同位素丰度时总是首先使用无机质谱法。

2.Isotopic trace injection profile logging theory is based on isotopic tracer measurement technology.

同位素示踪注水剖面测井的理论基础是同位素示踪测量技术。

3.By analysing the isotopic composition of hydrocarbon molecules from plant waxes of the period.

通过分析该时期植物腊的碳氢分子同位素组成。

4.The isotopic signatures of most ancient limestones indicated the same process .

大多数古代石灰岩的同位素特征说明了同样的过程。

5.The variations in isotopic ratios take place on the right time scale, and they mirror those seen in modern corals, he notes.

他说，同位素比例变化所发生的时间范围恰到好处，这与在现代珊瑚中的发现保持了一致。

6.The isotopic compositions of reference materials are basic parameters for isotopic measurement.

同位素参考物质的同位素组成是同位素测量的基本参数。

7.You've got some radioactive isotopic that can spontaneously decay into some other nucleus.

我们有一些放射性同位素，这些同位素会自发变成其他的原子核。

8.This system can determine 13 isotopic peaks by single beam method.

该系统使用单束法能测定13个同位素峰。

9.The trick they used to do this was to look at the isotopic composition of the oxygen in the wood of local trees.

他们所使用的办法是观测当地树木的木材中的氧同位素组成（isotopic composition）。

10.The scientist conducted an experiment to measure the isotopic 同位素的 composition of the samples.

科学家进行了一项实验，以测量样本的同位素的成分。

11.In geology, isotopic 同位素的 dating is used to determine the age of rocks.

在地质学中，同位素的测年用于确定岩石的年龄。

12.Researchers use isotopic 同位素的 analysis to trace the origins of ancient artifacts.

研究人员使用同位素的分析来追踪古代文物的来源。

13.The isotopic 同位素的 signatures in water can reveal information about climate change.

水中的同位素的特征可以揭示气候变化的信息。

14.Medical imaging techniques sometimes rely on isotopic 同位素的 tracers to visualize body functions.

医学成像技术有时依赖于同位素的示踪剂来可视化身体功能。

作文

In the field of science, particularly in chemistry and physics, understanding the concept of isotopes is crucial. Isotopes are variants of a particular chemical element that have the same number of protons but different numbers of neutrons in their nuclei. This difference in neutron count results in different atomic masses for the isotopes of an element. The term isotopic (同位素的) refers to anything related to these isotopes. For instance, carbon has two stable isotopes: carbon-12 and carbon-13. Both have six protons, but carbon-12 has six neutrons, while carbon-13 has seven. This distinction is vital in various scientific applications, including radiocarbon dating, where the isotopic (同位素的) composition of carbon in organic materials helps determine their age. The importance of isotopic (同位素的) analysis extends beyond just dating ancient artifacts. In environmental science, researchers use isotopic (同位素的) techniques to track sources of pollution. By analyzing the isotopic (同位素的) signatures of different pollutants, scientists can identify whether they originated from industrial processes, agricultural runoff, or other sources. This information is crucial for developing effective strategies to mitigate environmental damage and protect ecosystems. Moreover, the medical field also benefits from isotopic (同位素的) studies. In nuclear medicine, doctors utilize isotopic (同位素的) tracers to diagnose and treat various conditions. For example, iodine-131 is commonly used in the treatment of thyroid cancer. The isotopic (同位素的) properties of iodine allow it to target thyroid cells specifically, making it an effective treatment option. This application showcases how understanding the isotopic (同位素的) nature of elements can lead to significant advancements in healthcare. In geology, isotopic (同位素的) studies play a key role in understanding the Earth's history. By analyzing the isotopic (同位素的) ratios of elements found in rocks and minerals, geologists can infer information about past climate conditions, tectonic movements, and even the formation of the Earth itself. For instance, the ratio of oxygen-16 to oxygen-18 in ice cores can provide insights into historical temperature fluctuations, which is essential for understanding climate change. As we delve deeper into the realm of isotopic (同位素的) research, new technologies continue to emerge, enhancing our ability to study these fascinating elements. Mass spectrometry, for example, allows scientists to measure isotopic (同位素的) ratios with incredible precision, leading to breakthroughs in various fields such as archaeology, biology, and even forensics. By harnessing the power of isotopic (同位素的) analysis, researchers can unlock secrets of the past and make informed predictions about the future. In conclusion, the term isotopic (同位素的) encapsulates a fundamental aspect of chemistry and physics that has far-reaching implications across multiple disciplines. From dating ancient objects to tracking environmental changes and advancing medical treatments, the study of isotopes enriches our understanding of the world around us. As technology progresses, the potential applications of isotopic (同位素的) research will undoubtedly expand, leading to new discoveries and innovations that could benefit humanity in countless ways.