现在我填充了分子氢。
早期期间宇宙冷却到足以使一种弥漫的电中性气体云充满了宇宙的分子氢形成。
It was during the Dark Ages that the universe cooled enough to allow molecular hydrogen to form, filling the cosmos with a diffuse cloud of electrically-neutral gas.
介绍了近年来金刚石包裹体中流体研究结果，特别是分子氢和羟基的发现。
Recent studies of fluids in the diamonds, particularly the discovery of molecular hydrogen and hydroxy are presented in the paper.
从氢分子中我们得不到这种光线。
氢分子发出红外线的原因是它们吸收了恒星发出的紫外线，或者是受到了恒星喷发的炽热气体流的加热。
The molecules emit the infrared light that they have absorbed ultraviolet radiation from the star or have been heated by the wind from the star.
你随时都可以释放氢分子。
如果我用这个测量表测氢分子，完全平均共价的分子。
If I look at a homonuclear molecule such as molecular hydrogen, this is perfect sharing.
其中第一个步骤就是将水分解为氢和氧，这极其困难，因为水分子非常稳定。
The first of these involves splitting water into hydrogen and oxygen, a notoriously difficult thing to do because water molecules are so stable.
麻省总医院标准的MRI机器能纸草一个磁场，让人体细胞内所有水分子中的氢朝向一个方向。
Massachusetts General HospitalStandard MRI machines create a magnetic field that orients the hydrogen within body tissues’ water molecules in one direction.
2005年，“卡西尼”太空探测器飞越土卫二时的勘测资料显示其表面存在碳、氢、氮、氧等元素——这些有机分子被认为是生命形成的必要条件。
Observations from the Cassini probe's 2005 flyby of Enceladus suggest the presence of carbon, hydrogen, nitrogen and oxygen - organic molecules thought to be necessary to develop life.
在来自星云中心蓝巨星紫外线辐射的压力下，这些由气体和尘埃组成的恒星形成区域尖端的电离氢分子将不复存在。
Ionized molecular hydrogen can be seen evaporating from the tips of these star-forming columns of gas and dust, under pressure of ultraviolet light from the nebula's central blue giant stars.
就是说每个分子也都含有氧原子以及在烷烃中存在的碳和氢。
That means each of its molecules contains an oxygen atom as well as the carbon and hydrogen found in an alkane.
最简单的例子，就是氢分子。
So our simplest case that we started talking about was molecular hydrogen.
结果，生成的分子基本是是一种纯的而合成的合成氢类物质，与通用柴油的化学性质完全相同。
The result is a molecule that's basically a pure—but synthetic—hydrocarbon, which means it's chemically identical to regular diesel.
举个简单的例子，非常清楚的，水分子——H 2 O——是氢-氧-氢形成一个键角104.4度的V字形结构。
In a simple molecule, that path is pretty clear: water-h2o-is hydrogen-oxygen-hydrogen balanced perfectly in a V-shape at a 104.4-degree Angle.
他们发现了一个不连续的一级相变，这个相变是在液态氢低电导率的分子态和高电导率的原子态之间。
They discovered a first order phase transition, a discontinuity, in liquid hydrogen between a molecular state with low conductivity and a highly conductive atomic state.
氢分子(H2)在初生云周围散射热量，因此我们要知道在初生云中氢分子的数量。
Molecular hydrogen (H2) radiated the heat out of the clouds, so we need to know how much H2 was in the cloud.
分子云是一个包含冷却星际气体和尘埃的区域，这些气体和尘埃是星系形成之后的残留物，主要由氢分子组成。
A molecular cloud is a region containing cool interstellar gas and dust left over from the formation of the galaxy and mostly contains molecular hydrogen.
有种依赖一氧化碳生存的生物，我们利用其还原能力使水分子破裂，制造出氢和氧。
We have one organism that lives off of carbon monoxide, and we use as a reducing power to split water to produce hydrogen and oxygen.
克罗宁称，早期实验结果形成的细胞膜可将水分解为氢离子、氢电子和氧分子，这是光合作用的初始状态。
Cronin says early results suggest he can create a membrane that splits water into hydrogen ions, electrons and oxygen when illuminated - the initial step of photosynthesis.
地核中可能有巨量的氢（水分子的一种组分）或者完全干燥。
The core could be very, very rich in hydrogen (a water ingredient) or totally dry.
任何一种简单醇类都是有大量的碳分子和氢分子(如同碳氢化合物，譬如汽油)以及单个氧原子组成。
Any simple alcohol is composed of a number of carbon and hydrogen atoms (like a hydrocarbon such as petrol) together with a single oxygen atom.
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.
在脂肪中加入氢分子，这个加氢的过程改变了脂肪的化学结构。
A hydrogen molecule is then added to the fat. This hydrogenation process alters the chemical structure of the fat.
相反，氢分子在我们周围到处都是，一个氢分子的离解能，是432千焦每摩尔。
In contrast, the dissociation energy of a bond for hydrogen, and molecular hydrogen is everywhere around us, we see 432 kilojoules per mole.
它主要由电离氢分子和氦构成，同时还包括碳、氧、氮和其他原子，使得其呈现纷繁的混合色彩。
It is mostly made of ionized hydrogen and helium, though carbon, oxygen, nitrogen and other atoms are present, producing the complex color blend visible here.
什么是能量的改变，从两个原子氢到H2分子？
What is the energy change going from two atomic hydrogens to one H2?
储存氢的另一方法是在燃料箱中放点东西，增加氢分子能够附着的内表面总面积。
Another way to store hydrogen is to put something inside the tank which increases the total internal surface area to which the molecules of the gas can cling.
在那样的混合体中，氢分子的连接具备了挂钩(hook)的功能，碳原子或氮原子可以抓住这个挂钩，以形成复杂生物分子的起始部分。
Within that mix, the hydrogen atoms form connections that function like hooks, onto which carbon or nitrogen atoms can presumably grab to form the beginnings of complex organic molecules.
比如，在这下面我写的是氮分子2,而这个是氢分子，但我在上面把这些分子的形式改写了，大家可以看到,这是一个氢与氢之间的单键，含一个氮与氮之间的三键。
So, for example, down here I wrote that it was n 2 and that it was h 2, but when I re-wrote the molecules up here, you saw that it's an h h single bond where it's a nitrogen-nitrogen triple bond.
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