The value of the critical density is very small: it corresponds to roughly 6 hydrogen atoms per cubic meter, an astonishingly good vacuum by terrestrial standards!
临界密度的值非常小：它相当于每立方米约6个氢原子，从地球上的标准来看这简直是真空！
The pure magnesium can then be used as a fuel (its energy density is about ten times that of hydrogen).
到那时纯镁可用作燃料(其能量密度大约是氢的十倍)。
As well as being very hot, the ionised gas of the corona (called plasma) has a superthin consistency. It is less than a billionth of the density of the hydrogen that makes up the main ball of the Sun.
日冕的电离气体（又叫等离子体）不仅非常炙热，而且异常稀薄，其密度还不到组成太阳主体的氢气密度的十亿分之一。
Maybe, too, the hydrogen economy will rear its head again-but only if a way can be found of storing the gas easily and at high density.
或许，如果找到办法可以容易地存储高密度氢气的话，那么氢能源会东山再起。
It begins with Maarten Schmidt who hypothesized that star formation rate (SFR) was related to the surface density of atomic hydrogen gas in the cloud.
最早是MaartenSchmidt猜测恒星形成率(SFR)与云层中氢原子气体密度有关。
As an ideal energy carrier, Hydrogen has advantages of high energy density, high convert efficiency and cleanness.
氢是一种十分理想的载能体，它具有能量密度高，热转化效率高，清洁无污染等优点。
In this paper, the stratigraohic volume density and hydrogen index gained from the information of density-neutron logging are respectively compared with both the low-limit values of gas formation.
本文从密度和中子测井信息中提取的地层体积密度及含氢指数，分别同气层体积密度及含氢指数的下限值作比较，前者小于后者，直观指示为气层。
In such discharges, the plasma density was determined entirely by the outgassing of the limiter and-wall, and independent of the initial hydrogen pressure pA totally.
在这类放电中，等离子体的密度由限制器和壁的出气量决定，而和初始充的氢气压强完全无关。
Stored in a high tech tank, liquid hydrogen offers significant advantages in energy density enhancing the cruising range of the hydrogen car.
存储在一个高科技，液氢具有重要的优势，在能量密度范围提高巡航的氢汽车。
Conclusion it is very important for prevention and early diagnosis to supervise density of hydrogen fluoride on work surroundings.
结论监测作业工人生产环境中氟化氢浓度对预防和早期诊断慢性工业性氟病具有重要意义。
Both the fuel density and cooling capability are increased with the use of slush hydrogen and so the size and weight of the vehicle can be significantly reduced.
与之相比，氢浆提高了密度和热沉，显著地减小了飞机的体积和重量。
As electron density from the xenon atoms spreads towards the surrounding hydrogen molecules, it seems to stabilize the compound and the xenon pairs.
随着来自氙原子的电子密度向周围氢分子扩散，化合物和氙电子对似乎趋于稳定。
The hydrogen embrittlement factor has the same dependence on the hydrogen pressure and charging current density.
合金的氢脆因子与氢气压力或电流密度之间呈相同的依赖关系。
Ab initio molecular orbital and density functional theory (DFT) in conjunction with different basis sets calculations were performed to study the N-H... o blue-shifted hydrogen bond in the HNO dimer.
利用分子轨道从头算理论和密度泛函理论结合不同理论基组对于N - H…O蓝移氢键进行了详细的研究。
In such discharges, the plasma density was determined entirely by the outgassing of the limiter and wall, and independent of the initial hydrogen pressure p0 totally.
在这类放电中，等离子体的密度由限制器和壁的出气量决定，而和初始充的氢气压强完全无关。
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。
Small Density too big when, not only indoor carbon dioxide and hydrogen sulphide ammonia, the harmful gas such as increased, the temperature increases, the air cushion wet grass.
密度过大时，不仅室内二氧化碳及氨气、硫化氢等有害气体增加，空气温度增高，垫草潮湿。
A method to determine the electron temperature and density from the time resolved spectra of hydrogen atoms left in a pulsed laser plasma is described.
本文讨论了一种利用残留在激光器中杂质氢原子的时间分辨光谱，来确定脉冲激光等离子体电子温度和电子密度的方法。
The key point in determining the density lies in the calculation of compressibility factors of hydrogen.
气体密度的计算关键在于确定压缩因子。
With this apparatus, a plasma jet consisting of a mixture of methane, hydrogen and argon is realized at a high density between the anode and cathode.
这种装置是在阴极和阳极间用甲烷氢气及氩气产生高密度等离子体射流。
Hydrogen has been regarded as one of the new energy sources because of its cleanliness and high energy density.
在能源紧张、环境污染严重的今天，氢作为一种高能量密度，清洁的新能源，已日益受到人们的瞩目。
The main parameter for diamond growth is the atomic hydrogen concentration, which is mainly influenced by the power density of the activation method.
原子态氢浓度是金刚石长大的主要参数，它主要受到活化方法的能量密度的影响。
The mechanisms dealing with the thermal decomposition of 5-nitro-1- hydrogen-tetrazole are studied by density function theory.
利用密度泛函理论研究了5-硝基-1-氢-四唑分子热分解的反应机理。
Among the storage technologies of automotive fuel gases (hydrogen and nature gas), adsorption storage is a promising technology for the low density and fast desorption of adsorption storage materials.
在以氢和天然气为主的车用燃气的存储技术中，吸附存储材料以其密度小、吸脱气体速度快等优点使吸附存储成为一类极具发展潜力的存储技术。
Cluster; Hydrogen Storage; Density Functional Theory; Organic Solar Cell Material.
密度泛函；团簇；储氢；发光材料。
Mixing Hydrogen with diesel fuel in model S195 diesel engine, the producing of smoke density is lower in all working conditions.
S195柴油机掺氢燃烧在所有工况下，烟度都有新降低。
Mixing Hydrogen with diesel fuel in model S195 diesel engine, the producing of smoke density is lower in all working conditions.
S195柴油机掺氢燃烧在所有工况下，烟度都有新降低。
应用推荐