isotope

US [ˈaɪsəˌtoʊp]
UK [ˈaɪsətəʊp]
  • n.同位素
  • Web同位素是；同位素测年；同位素检查
Plural Form：isotopes  

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Synonym

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E-E

Web Definition

isotope
n.
1.
同位素one of two or more forms of a chemical element which have the same number of protons but a different number of neutrons in their atoms. They have different physical properties (= characteristics) but the same chemical ones
radioactive isotopes
放射性同位素
the many isotopes of carbon
碳的诸多同位素

Sample Sentence

Definition:
AllAll,同位素同位素,同位素是同位素是,同位素测年同位素测年,同位素检查同位素检查
Category:AllAll,OralOral,WrittenWritten,TitleTitle,TechnicalTechnical
Source:AllAll,DictionaryDictionary,WebWeb
Difficulty:AllAll,EasyEasy,MiddleMiddle,HardHard
1.
Both of the experiments proved effective, moreover the latter would be better since the stable isotope is harmless.
结果指出，两种方法是等效的，由于稳定同位素对人体无害，因而后者更有应用前景。
jié guǒ zhǐ chū , liǎng zhǒng fāng fǎ shì děng xiào de , yóu yú wěn dìng tóng wèi sù duì rén tǐ wú hài , yīn ér hòu zhě gèng yǒu yìng yòng qián jǐng 。
www.ceps.com.tw
2.
In atomic spectroscopy, the subject of isotope shifts is one of the few problems that links atomic and nuclear physics.
原子光谱中，同位素位移是少数几个能够将原子物理学和原子核物理学这两个不同的物理学分支联系起来的课题之一。
yuán zǐ guāng pǔ zhōng , tóng wèi sù wèi yí shì shǎo shù jǐ gè néng gòu jiāng yuán zǐ wù lǐ xué hé yuán zǐ hé wù lǐ xué zhè liǎng gè bù tóng de wù lǐ xué fēn zhī lián xì qǐ lái de kè tí zhī yī 。
www.dictall.com
3.
At present, the methods of isotope tracer and turbine flowmeter are universally used for testing annulus well in home oilfield.
同位素示踪法和涡轮流量计法是目前国内各油田普遍采用的环空测井方法。
tóng wèi sù shì zōng fǎ hé wō lún liú liàng jì fǎ shì mù qián guó nèi gè yóu tián pǔ biàn cǎi yòng de huán kōng cè jǐng fāng fǎ 。
www.showxiu.com
4.
But the nitrogen in the air was replaced with a nitrogen atom with a different number of neutrons, called an isotope.
但是空气中的氮气中的氮原子却会被一个叫做同位素的有着不同数量中子的氮原子所替换。
dàn shì kōng qì zhōng de dàn qì zhōng de dàn yuán zǐ què huì bèi yī gè jiào zuò tóng wèi sù de yǒu zhe bù tóng shù liàng zhōng zǐ de dàn yuán zǐ suǒ tì huàn 。
article.yeeyan.org
5.
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。
zhòng liàng jiào dà de yǎng lái zì mǒu zhǒng zì rán guò chéng , zài cǐ guò chéng zhōng , dà bù fen de qīng tóng wèi sù liú zài le xíng chéng tài yáng de bù fen xīng yún zhōng 。
www.hjenglish.com
6.
When a hurricane forms, it tends, initially, to rain water molecules containing the heavier isotope. At that point it is still over the sea.
飓风刚形成之初，通常位于海面上空，它所降落的雨水一般含较重氧同位素水分子。
jù fēng gāng xíng chéng zhī chū , tōng cháng wèi yú hǎi miàn shàng kōng , tā suǒ jiàng luò de yǔ shuǐ yì bān hán jiào zhòng yǎng tóng wèi sù shuǐ fēn zǐ 。
www.ecocn.org
7.
The technique based on stable isotope labeling and mass spectrometry is one of the main supporting techniques for protein quantification.
基于稳定同位素标记的质谱分析技术是蛋白质定量最常用的方法之一。
jī yú wěn dìng tóng wèi sù biāo jì de zhì pǔ fēn xī jì shù shì dàn bái zhì dìng liàng zuì cháng yòng de fāng fǎ zhī yī 。
www.dictall.com
8.
by contrast, the comprehensive evidence and oxygen isotope temperature may be close to the actual temperature.
而综合证据与氧同位素则可能比较接近实际气温。
ér zōng hé zhèng jù yǔ yǎng tóng wèi sù zé kě néng bǐ jiào jiē jìn shí jì qì wēn 。
www.cagsbulletin.com
9.
Nuclear Chemistry: radioactive chemicals, radiation chemistry, radiation chemistry, isotope chemistry, nuclear chemistry.
核化学：放射性化学品，辐射化学，辐射化学，同位素化学，核化学。
hé huà xué : fàng shè xìng huà xué pǐn , fú shè huà xué , fú shè huà xué , tóng wèi sù huà xué , hé huà xué 。
goabroad.zhishi.sohu.com
10.
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。
zhuān jiā men shuō xiāng guān fú shè wēi xiǎn xìng hěn xiǎo , yīn wèi dàn de tóng wèi sù dàn shí liù zhǐ huì cún zài wǔ miǎo zhōng 。
article.yeeyan.org
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