原子质量数大于1的氢的同位素；氘或氚。
An isotope of hydrogen with mass number greater than 1; deuterium or tritium.
最好的核聚变材料有两种，即氢的同位素——氘和氚。
The best fuels for fusion are two types, or isotopes, of hydrogen - deuterium and tritium.
它利用磁场约束氢的同位素并将其加热到数亿摄氏度。
It will use magnetic fields to confine hydrogen isotopes and heat them to hundreds of millions of degrees Celcius.
氘是氢的同位素，在地球上的海洋中广泛存在，其质量较重，很难逃离金星大气。
Deuterium is a heavier form of hydrogen that is common in Earth's oceans and that would have too much mass to escape Venus' atmosphere.
通过测量一束头发上较重的氢和氧同位素的比例，科学家可以构建一个地理时间轴。
By measuring the proportion of heavier hydrogen and oxygen isotopes along a strand of hair, scientists can construct a geographic timeline.
在这个设定中，氢不再是稳定的，但是其更重些的同位素氘和氚却是稳定的。
In this scenario, hydrogen would no longer be stable, but its slightly heavier isotopes deuterium or tritium could be.
它使用两种类型，或称同位素，的氢——氘和氚。
Two types, or isotopes, of hydrogen are used - deuterium and tritium.
其中放置了一个更微小的氘(氢的一种同位素)燃料丸。
It contains a tiny pellet of fuel made from an isotope of hydrogen called deuterium.
研究人员利用所谓的离子显微镜来比较月球岩石中正常的氢元素含量及同位素氘的含量，元素氘比氢多带一个中子。
The researchers used what's called an ion microscope to compare the amount of normal hydrogen in the moon rocks to the amount of the hydrogen isotope deuterium, which carries an extra neutron.
这项技术的确有效，因为当水从海中蒸发后，氢和氧的同位素升起形成云，接着当它飘至陆地上空时再变为雨。
The technique worksbecause when water evaporates at sea, a combination of hydrogen and oxygenisotopes rise to form a cloud, which then releases rain when it moves inland.
这项技术很有效，因为当水从海里蒸发，氢和氧的同位素组合升空形成云，接着飘至陆地上空降雨。
The technique works because when water evaporates at sea, a combination of hydrogen and oxygen isotopes rise to form a cloud, which then releases rain when it moves inland.
夏普博士说如果月球岩石中氢的初始含量接近地面的岩石，氯同位素比例比率不会这么分散。
Dr Sharp said that if lunar rocks had initial hydrogen contents anywhere close to those of terrestrial rocks, the chlorine isotope ratios would not have so much scatter.
他还说到，底线是“我们意识到的能够引起这么多同位素离散的过程是，月球上的氢含量比地球少10000到100000倍。”
The bottom line, he says, is that "the only process we are aware of that could cause such large isotope scatter is if the hydrogen content of the moon is 10,000 to 100,000 times less than [on] Earth.
氢的一种同位素，在其原子核内有一个质子和一个中子，其原子重量为2.04。
An isotope of hydrogen with one proton and one neutron in the nucleus having an atomic weight of 2.04.
金矿床的铅、氢、氧和硫同位素组成高度分散，表明成矿物质具有多来源性。
Scattered distribution of lead, hydrogen, oxygen and sulphur isotopes in the gold deposits is possibly indicative of diverse sources of ore_forming materials.
报道了浙江7个地开石粘土矿床的氢和氧同位素分析数据。
The data of hydrogen and oxygen isotopic analyses are reported in 7 dickite clay deposits of Zhejiang Provine.
通过对矿床地质特征、成矿期次及硫、氢、氧同位素组成和流体包裹体测温研究，讨论了成矿流体的来源及矿床形成的温度。
Geological features, mineralizing periods, fluid inclusions and s, H, o isotope compositions are discussed to identify ore-forming source and temperature.
一些关于氢的东西：，氢气，就像其他元素一样，有同位素，人们在1766年就发现了这一点，卡文迪许分离出原子氢，并且阐述了它的一些性质。
A couple of other things about hydrogen: hydrogen also, like other elements, has isotopes and we already saw that in 1766, Cavendish isolated atomic hydrogen and enunciated some of its properties.
在迄今所知的金属-氢体系中，钯氢体系的同位素效应最强，因此，钯被广泛用于氢同位素处理工艺中。
Palladium-hydrogen system has the largest isotope effect in the metal - (hydrogen) systems so far as we know, so palladium is widely used in hydrogen isotopes (disposal) technology.
氘是普氢较重的、稳定同位素。
Deuterium is a heavier and stable isotope of ordinary hydrogen.
如果火星上的甲烷是生命现象产生的，那么释放出的甲烷和水应该明显表现出氢和碳的同位素比。
Methane and water released on Mars should show distinctive ratios for isotopes of hydrogen and carbon if life was responsible for methane production.
对凹凸棒石粘土矿床矿物碳、氢、氧稳定同位素组成提出新的解释，认识同位素组成变化与古环境的关系。
The stable isotope of hydrogen, oxygen and carbon are reinterpreted. The relationship between isotope constituent and paleoenvironment is understood.
氘氢的一种同位素，在其原子核内有一个质子和一个中子，其原子重量为2。
An isotope of hydrogen with one proton and one neutron in the nucleus having an atomic weight of2.014.
文章介绍用离子束方法分析贮氢金属中氢同位素含量与分布的实验条件与设计，并分析各自的优、缺点。
The content of deterrent and its content distribution in a new propellant were measured with gas chromatography.
文章介绍用离子束方法分析贮氢金属中氢同位素含量与分布的实验条件与设计，并分析各自的优、缺点。
The content of deterrent and its content distribution in a new propellant were measured with gas chromatography.
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