同位素原子的扩散几率与蒸发几率成正比。
The probability of diffusion of isotope atoms is in direct proportion to its probability of evaporation.
在氢同位素原子核中的某些熔合过程中，会释放出高能中子。
In certain fusion processes, among nuclei of the hydrogen isotopes, neutrons of high energy are liberated.
分析了激光线宽对同位素原子激发电离效率和选择性因子的影响。
We have studied the influence of laser linewidth on ionized efficiency and selectivity of isotopic atoms.
在各种钨同位素原子里有74质子，但有着不同的中子数。钨- 182有108个中子，而钨- 184有110个中子。
Isotopes of tungsten each have 74 protons in their atoms but different Numbers of neutrons - tungsten-182 has 108 neutrons, while tungsten-184 has 110.
给定元素的所有同位素都含有相同的质子数，但它们的中子数不同，因此它们的原子质量也不同。
All the isotopes of a given element have the same number of protons, but differ in their number of neutrons, and hence in their atomic mass.
在水中大多数氢原子和氧原子是稳定的，但这两个元素也有微量以较重的同位素形式存在。
Most hydrogen and oxygen atoms in water are stable, but traces of both elements are also present as heavier isotopes.
当我们算出了在各个恒星中锂原子的总数，同位素锂- 7的总量仅是在那里应有量的三分之一。
When we count up the lithium atoms held in stars, there is only one-third as much of the lithium-7 isotope as there should be.
同位素是一个特定化学元素的不同原子变种。
Isotopes are different atomic versions of a particular chemical element.
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。
But the nitrogen in the air was replaced with a nitrogen atom with a different number of neutrons, called an isotope.
这个特征就是氧的同位素，它是由氧原子和不同数量的中子组成的。
That water signature is in the form of oxygen isotopes, atoms of oxygen with different Numbers of neutrons.
铀有许多不同的种类，或称同位素，而在核电站中所使用的是铀235这一类，因为这些的原子最容易一分为二。
There are different kinds, or isotopes, of uranium, and the type used in nuclear power plants is called uranium-235, because these atoms are easiest to split in two.
融合重氢同位素需要大量能量，部分原因是因为原子核带正电并相互排斥。
Fusing heavy hydrogen isotopes requires lots of energy, partly because the nuclei are positively charged and repel each other.
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。
You've got some radioactive isotopic that can spontaneously decay into some other nucleus.
在半重水的水分子中，一个氢原子（H）被一个称之为氘（D）的氢原子的同位素所取代。
In a semiheavy water molecule, one hydrogen atom (H) is replaced with a heftier version called deuterium (D).
因为如果是那样的话，阳光将会被转换成大量的碳、氧原子保存到石灰岩中的碳酸钙里，而事实却是，岩层的同位素组成（Isotopic composition）中没有留下任何蛛丝马迹。
They would leave subtle clues in the isotopic composition of the limestone by shifting the ratios of light to heavy carbon and oxygen atoms in its calcium carbonate.
去实现上面设想的方法(和很多其他为了能阅读写在陨石上的历史而需要的方法)是观察它们之中原子同位素的确切混合比例。
The way to do that (and much else that is needed in order to read the history written in meteorites) is to look at the exact mixture of atomic isotopes in them.
同位素可以代替易受影响的结合部位的原子。
The isotopes replace atoms in susceptible bonds making these bonds stronger.
在激光同位素分离中，激光作用区内原子的密度和速度分布对分离过程有重要影响。
The atomic density and velocity distribution in the laser excitation zone is very important for the atomic vapor laser isotope separation (AVLIS).
同位素：一种化学元素的两个或多个类型，它们的原子核具有相同的质子数，而中子数却不同。
Isotope: One of two or more species of atoms of a chemical element having nuclei with the same number of protons but different Numbers of neutrons.
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.
本文描述一种通过极化原子束的磁偏转实现同位素和同质异能素浓缩的新方法。
We describe a novel method to enrich isotopes and isomers via magnetic deflection of optically polarized atomic beam.
每一次萃取后，我们把得到的气体纯化，再将氙通入霍恩·柏格的质谱仪，测量出其中所含各种同位素的原子数量。
After each extraction, we purified the resulting gas and passed the xenon into hohenberg 's mass spectrometer, which indicated the number of atoms of each isotope present.
用激光光压偏转原子束进行了锂同位素分离实验。
Separation of Li isotopes by laser deflection of atomic beams has been carried out.
同位素是同一元素的不同种类，它们有着相同的化学特性但是原子重量不同。
Isotopes are different varieties of the same element, which have identical chemical properties but differ in atomic weight.
具有不同原子量的同一种元素被称为同位素。
Atoms of the same element that differ in their atomic weight are called isotopes.
进一步的研究揭示出：部分原子质量常是同位素的混合物。
Extensive research has shown that fractional atomic masses always mean mixture of isotopes.
它记录了特定元素的原子包含有多少质子和电子，它使我们能够计算大多数元素最常见的同位素中中子的数目。
It records how many protons and electrons the atoms of a particular element contain. It permits us to calculate the number of neutrons in the most common isotope for most elements.
在一个同位素的原子中中子数减去质子数，同位数是放射性的指示。
The number of neutrons minus the number of protons in the atom of an isotope. isotopic number is an indication of radioactivity.
并以镥原子共振电离为例，探讨了该方案用于激光共振电离质谱(LRIMS)同位素分析的可行性。
As a versatile example, the feasibility of this scheme applied to lutetium isotopic analysis by Laser Resonance ionization Spectrometry (LRIMS) was discussed.
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.
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