Besides having a high energy density, the long chains of hydrocarbons are also good building blocks for constructing more complex molecules, such as plastics and pharmaceutical drugs.
除含有高能量外，长链碳氢化合物也适合构建更复杂的分子，如塑料和药品。
And, depending upon, say the density of the gas or the liquid, the size of the molecules, they change parameters in the simulation, how far it, say, goes in each unit time and things like that.
这还取决于，比方说，液体或气体的密度，分子的大小，它们改变了模拟程序中的参数，它们在一个时间单元内运行的距离，或者之类的。
In the massive eclogites, the garnets with low dislocation density and with no visible clusters of water molecules are mainly rigid although a few dislocation nets have been observed.
块状榴辉岩中石榴石的位错密度低，没有观察到水分子团，虽然在局部发现有位错网，但总体上仍呈刚性。
CASTEP is a software package which USES density functional theory to provide a good atomic-level description of all manner of materials and molecules.
CASTEP是使用密度的一个软件包裹提供对各种各样的材料和分子的好原子水平的描述的功能的理论。
It is found, theoretically, that using different number density distributions of luminescent molecules within the PC, one can probe the partial information or even all of the total DOS in the PC.
理论上研究发现，通过引入含不同密度分布的发光分子可以探测到光子晶体的全态密度的部分细节甚至全部信息。
As a result, the number of OH radicals increases with the intensity of electric field and the density of water vapor molecules.
电场强度的增强和适当增加水蒸气分子的密度有利于OH自由基的生成。
And the distributions of temperature, number density of electrons, ions, atoms and molecules in air plasma and the pressure distribution about the whole arc field were obtained.
曲线及等离子体区的温度分布和电子、离子、原子、分子等粒子的数密度分布。
The local density of states at the Fermi level increases with the adsorption of hydrogen molecules.
氢分子吸附后，费米能级处的局域态密度增加。
Objective to investigate the effects of oxidized low-density lipoprotein receptor 1 (LOX-1) on secretion of adhesive molecules mediated by ox-LDL in human umbilical endothelial cells (HUVECs).
目的探讨血凝素样氧化低密度脂蛋白受体1 (LOX - 1)在氧化低密度脂蛋白(ox - LDL)诱导血管内皮细胞粘附分子表达中的作用。
Methods Density functional (B3LYP) method with Relativistic Effective Core Potential (RECP) has been used to optimize the structures of PdH and PdH_2 molecules.
方法采用数用相对论有效原子实势（RECP）和密度泛函（B3LYP）方法。
Methods Density functional (B3LYP) method with Relativistic Effective Core Potential (RECP) has been used to optimize the structures of PdH and PdH_2 molecules.
方法采用数用相对论有效原子实势（RECP）和密度泛函（B3LYP）方法。
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