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同位素怎么发音,同位素是什么意思,同位素短语和例子。

isotope怎么读,isotope什么意思,isotope短语和例句

isotope怎么读,isotope什么意思

英 [ˈaɪsətəʊp]美 [ˈaɪsətəʊp]

  • n. 同位素

[
复数
isotopes

]

isotope 常用短语

stable isotope稳定同位素

radioactive isotope放射性同位素

isotope 同根词

词根:isotope

adj.

isotopic 同位素的;同位旋的

isotope 常用句子

1.The isotope does occur in nature but only extremely rarely.

钋的同位素在自然界中的确存在,但是相当罕见。

2.But the team found that on the Moon it was about 25 times that of the terrestrial chlorine isotope ratio.

但是研究团队发现在月球上氯的同位素的比率大约是地球上的25倍。

3.The city’s challenge, chiefly, is to dispose of cesium-137, a radioactive isotope with a half-life of 30 years.

这座城市面临的最大问题就是处理铯—137,这是一种半衰期为30年的放射性同位素。

4.As an indicator of shifts in the Earth’s climate, the isotope record has two advantages.

作为地球气候变化的指标,同位素记录有两个优势。

5.Thus, more of the heavy isotope is left behind in the ocean and absorbed by marine organisms.

因此,更多的重氧同位素留在了海洋里,并被海洋有机物吸收。

6.And the heavier oxygen from a natural process that left more of the light isotope in the part of the nebula that made the sun.

重量较大的氧来自某种自然过程,在此过程中,大部分的轻同位素留在了形成太阳的部分星云中。

7.Experts have played down the dangers, arguing that the isotope of nitrogen known as nitrogen-16 lasts for only five seconds.

专家们说相关辐射危险性很小,因为氮的同位素氮16只会存在5秒钟。

8.The dated isotope record shows that the fluctuations in global ice volume over the past several hundred thousand years have a pattern: an ice age occurs roughly once every 100,000 years.

同位素年代记录显示,过去几十万年全球冰量的波动有一个模式:冰河期大约每10万年发生一次。

9.What’s more, it detected comparatively high levels of the isotope deuterium in Venus’ upper atmosphere.

除此之外,探测器还在金星高层大气中检测到较高水平的氘。