分子量取决于分子中的原子种类与数量。
The kind and number of atoms ina molecule determine a molecular mass.
本质上也就是画出，分子中的原子是如何排列的。
So, essentially drawing how the atoms are arranged within our molecule.
结构信息包括了蛋白质分子中的原子3- D坐标信息。
The structural information includes the 3-d coordinates of the atoms of the molecule (s) a protein consists of.
他向世人证明，“利用快速的激光技术有可能观察到化学反应发生时分子中的原子是怎样运动的。”
He has shown "that it is possible with rapid laser technique to see how atoms in a molecule move during a chemical reaction."
在诸如盐、糖与钻石之类的熟悉常见晶体中，这些成分就是原子或分子。
In familiar crystals, such as salt, sugar and diamonds, these elements are atoms or molecules.
研究人员利用射线发现，砷原子不仅已经出现在这些细菌的DNA中，而且还出现在了其他分子中。
By labeling the arsenic with radioactivity, the researchers were able to conclude that arsenic atoms had taken up position in the microbe's DNA as well as in other molecules within it.
有机化学中的伍德沃—霍夫曼定律(由霍夫曼和罗伯特·伯恩斯·伍德沃发现)可以预测某些分子中原子排列位置。
Organic chemistry's woodward-hoffmann rules (which Hoffmann developed with Robert Burns Woodward) predict the positions of atoms within certain kinds of molecules.
它们涉及了，介质中分子和原子是如何运动，以及在介质中的相互碰撞。
They, actually, how the atoms and molecules are actually moving, and hitting each other inside this medium.
研究小组认为土卫五的大气环境是由高能粒子轰击土卫五冰封的表面，将土卫五表面的原子，分子和离子撞击到大气中而产生的。
The team believes the atmosphere is sustained by high energy particles bombarding its icy surface and kicking up atoms, molecules and ions into the atmosphere.
这架望远镜被命名为“冰立方”，其工作原理是：当一个微中子撞击冰中的水分子原子时，望远镜就会探测这些罕见的场合中产生的闪光。
Called IceCube, it will work by detecting the flashes of light generated on those rare occasions when a neutrino hits one of the atoms in a molecule of water in the ice.
对于不同原子在分子中的位置，如果你有一个氢原子或者一个氟原子，那你基本可以保证，它们总是最末端的原子。
In terms of where different atoms are in a molecule, if you have a hydrogen atom or a fluorine atom, you can pretty much guarantee they're always going to be terminal atoms.
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).
极光这一现象是由“太阳风”所造成的。“太阳风”是太阳发射的带电原子内粒子流，它和大气层中的分子相互发生作用就引起了极光。
The phenomena are caused by the "Solar Wind" - streams of electrically charged sub-atomic particles emitted by the Sun - interacting with molecules in the atmosphere.
晶体中这两个相分子，或者原子的相互作用是不一样的。
And the crystal, the interactions between molecules or the atoms in the crystal are different in the two phases.
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.
对健康最有益的是不饱和脂肪，这种脂肪的分子中氢原子没有将碳原子完全包围。
The best type of fat to consume for good health is unsaturated fats, which include fat molecules that do not have all of their carbon atoms bonded to hydrogen atoms.
在先前的研究中得到其原子水平上的结构，精确的结构特性允许他们用激光脉冲瞄准目标分子，并且只持续千万一份之一秒以使分子处以单电子自旋状态。
That precise characterization allowed them to target molecules with laser pulses lasting for one-quadrillionth of a second, or just long enough to set single electrons spinning.
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.
在乙烯分子中是由一个双键将两个碳原子连结在一起的。
In the ethyne molecule, a double bond links together the two carbon atoms.
这涉及到将很多放射性碳原子放入药物分子中的问题。
This would involve slipping a few radioactive carbon atoms into molecules of the drugs in question.
每个硫酸铜单位晶格所含有的铜、硫、氧这三种元素的原子数的比例和每个硫酸铜分子中这三种元素的原子数的比例，二者是相一致的。
There is in the structure a unit of pattern containing copper, sulphur, and oxygen atoms in the same proportions as that in which they occur in the molecule.
分子结构中任意两个原子之间最短拓扑距离的求解是建立在采用队列数据结构的宽度优先搜索算法基础上的。
The shortest topological distance between two atoms in a structure was designed according to the widely used breadth first search algorithm which uses a data structure called Queue.
在量子光学、凝聚态物理、原子分子物理中存在许多典型的具有三生成元李代数结构的量子系统或模型。
There exist a number of typical systems and models which possess the three generator Lie algebraic structure in quantum optics, atomic and molecular physics and condensed matter physics.
本文用对称分析方法，分析计算了力学、电学、固体物理学、原子和分子光谱学中的转动惯量、极化率、选择定则等。
In this paper, the symmetry analysis method is used to compute and analyse the rotation inertia, polarizability, selection rule in mechanics, electricity, atomic and molecular spectroscopy.
在分子动力学模拟中，采用内嵌原子势描述纳米铜线的原子间相互作用。
The interatomic interactions of molecular dynamics model are described by embedded atom potential given by Doyama et al.
煤表面氨基上的C原子和N原子的电子向氧分子中的氧原子转移。
The electron- ics of the C atom and the N atom on the coal surface amino transfer to oxygen atom in the oxygen molecule.
而在分子轨道理论里，我要告诉你们的时，我们任为电子分布在整个分子中，它们不仅仅是和，一个原子或者一个键有关。
Whereas in molecular orbital theory, what I'm telling you is instead we understand that the electrons are spread all over the molecule, they're not just associated with a single atom or a single bond.
桥接到金属电极上的原子线，在纳米电子学中被视作一种分子联结，是当前低维系统电子输运研究中的热点。
The atomic wire bridged two metal electrodes is regarded as molecular junction in the nanoelectronics, and is focused on the study of lowdimensional electron transport field nowadays.
自然界中的许多事件是原子或者分子造成的。
Many events that occur are actually atomic or molecular in nature.
自然界中的许多事件是原子或者分子造成的。
Many events that occur are actually atomic or molecular in nature.
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