两个氢原子和一个氧原子结合组成一个水分子。
Two atoms of hydrogen combine with one atom of oxygen to form a molecule of water.
氢原子可熔合成氦。
水分子由两个氢原子和一个氧原子构成。
A molecule of water consists of two atoms of hydrogen and one atom of oxygen.
单个氢原子的能量是-1312 千焦每摩尔。
The energy for single hydrogen atom is negative 1312 kilojoules per mole.
他有一根装着电极的管子，里面充满了氢原子。通过施加电压，他能够使气体发光。
He had a tube with electrodes potted in it filled with atomic hydrogen. And by applying a voltage, he was able to get the gas to glow.
太空中平均每立方厘米只有两个氢原子，这对低速飞行的宇宙飞船不构成威胁。
There are just two hydrogen atoms per cubic centimeter on average in space, which poses no threat to spaceships traveling at low speeds.
在19世纪50年代的头几年，阿姆斯特朗，那时还在瑞典的乌普萨拉大学里，做了一个有关氢原子的实验。
In the early years of the 1850s, Armstrong, still at uppsala university in Sweden, conducted an experiment with hydrogen atoms.
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.
这些链状或环状的碳原子被氢原子包围。
These are chains or rings of carbons atoms surrounded by hydrogen atoms.
但实际上我们也可以讨论氢原子，或者其它任何原子的其它能级的电离能。
But, in fact, we can also talk about the ionization energy of different states of the hydrogen atom or of any atom.
氢原子，我们可以先画出原子电子。
然后我们从氢原子那得到了两个电子。
这一切都发生在一个俘获反氢原子的磁瓶里。
All this happened inside a magnetic bottle that traps the antihydrogen atoms.
轰击氢原子可以与某一特定的频率产生共鸣: 1420兆赫。
Zap a hydrogen atom and it will resonate at a particular rate: 1420 megahertz (MHz).
用激光照射氢原子或反氢原子，观察何种波长的光线被吸收了，可以通过这种办法来详细地比较这两种原子的能级。
By shining laser light onto hydrogen or antihydrogen and observing which wavelengths are absorbed, the energy levels of the two can be compared in detail.
塑料中的碳原子呈饱和态，与两个氢原子相结合。
The carbon atoms in the plastic are saturated, having bonded with two hydrogen atoms.
而白矮星则是将其曾用作核燃料的所有氢原子都燃烧殆尽的恒星。
White dwarfs are stars that have burned up all of the hydrogen they once used as nuclear fuel.
那就是氢原子原子核外电子，最低轨道到情况。
That is the electron in its lowest orbit, to the nucleus of atomic hydrogen.
氢原子仍然过热，不能形成恒星，因此需要更多的膨胀。
The hydrogen was still too hot to form stars, so more expansion was needed.
波尔半径，对于氢原子来说是0。529埃。
为测试是否真的形成了反氢原子并被容器捕获，阿尔法小组关闭了容器的磁场。
To test whether any antihydrogen was actually formed and captured in their trap, the ALPHA team turned off its trapping magnet.
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).
每个氢原子都有两个电子，这是一个令人满意的体系。
And so, each hydrogen has access to each electron, and now we have a satisfied system.
重水因含重氢而得名。重氢是氢原子的一种，其原子核中含有一枚中子，加之正常氢元素中的质子，重量为一般氢原子的两倍。
Heavy water gets its name because it contains deuterium, a form of hydrogen that has a neutron in its nucleus as well as the usual proton and thus weighs twice as much as the ordinary sort.
欧洲核子研究中心在过去的几个实验中都产生了反氢原子。
Antihydrogen atoms were produced in the past by several experiments at CERN.
采用具有微弱磁矩的强磁体是捕获反氢原子的关键。
A strong magnet was critical to trapping antihydrogen atoms by using their small magnetic moments.
事实上，它在肝脏中与四个氢原子结合后转化成叶酸。
In fact, it is converted to folate in the liver by the addition of four hydrogen atoms.
让我们来画氢原子的，电子构型，分子，氢分子。
So let's draw the electron configuration of hydrogen, the molecule, molecular hydrogen.
让我们来画氢原子的，电子构型，分子，氢分子。
So let's draw the electron configuration of hydrogen, the molecule, molecular hydrogen.
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