气体密度的计算关键在于确定压缩因子。
The key point in determining the density lies in the calculation of compressibility factors of hydrogen.
一个状态方程有关的压力，温度和气体密度。
An equation of state relates the pressure, temperature, and density of the gas.
这种气体密度接近于核聚变所需要的数值，研究人员说。
The density of this gas was close to what's needed for nuclear fusion, the researchers said.
选择性附加理论写出它的高气体密度在早期太阳系，在行星的形成。
The selective accretion theory chalks it up to high gas density in the early solar system, during the planet's formation.
这些应用包括压强、温度、气体密度和化学物质传感器等。
The applications are included in the pressure, temperature, gas density, and chemical species sensors.
有SF 6气体密度继电器，并能事故报警，及闭锁操作机构。
It shall have SF6 gas density relay and emergency alarm as well as blocking operating mechanism.
在两幅图中，气体密度越高的区域颜色也就越深，低密度区则更浅。
In both cases, high concentrations of the gas are dark, while low concentrations are light.
气体冷却的气体密度增加，为了最大限度地气量进入发动机气缸。
Gas cooling increases density of gas in order to maximize the amount of gas entering the engine cylinder.
在获知背景气体密度的条件下，可以计算出原子损耗和完全碰撞截面。
Atom loss from the trap and total collision cross section can be inferred from the knowledge of the density of background gases.
本文从介绍折射度的概念和性质出发，建立了气体密度与折射率之间的关系。
This article begins with introducing the conception of refrangibility, and then the relation between refractive index and density of the gas is established.
在垂直工作面推进方向上呈“J”字型，且对回风巷附近气体密度影响较大；
The direction of perpendicular to face advance shows J shape and the influence is bigger near the return airway.
测量了它的光谱特性以及它与钠原子密度，入射激光参量，缓冲气体密度的关系。
The relation between this emission and the density of Na, the parameters of laser and the pressure of the buff re gas have been studied.
详细地讨论了微分吸收激光雷达测量气体密度时中心频率的漂移所引起的测量误差。
The measurement error of differential absorption laser radar caused by the shift of its center frequency in measuring atmosphenc density has been discussed particularly.
该三个星系团的X射线面亮度观测结果也被用于构建其气体密度和温度分布以作比较。
The observations of X-ray surface brightness are also used to derive the radial distribution of gas for comparison.
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。
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.
这种光谱调制传感器系统能够测量多种物理参数，如压强、温度、气体密度及多种化学成份。
The spectral modulation sensor system can detect and measure various physical parameters such as pressure, temperature, gas density, and various chemical species.
一般认为气体密度继电器可以正确反映气体绝缘电气设备的气体密度，而压力继电器则不能。
It is recognized that the gas density relay can reflex the gas density in gas insulated electric equipment correctly and the pressure relay cant do the same.
它将温度、压力和流量传感器融为一体，通过对气体密度进行补偿，实现了精确的质量流量测量。
It integrated temperature and pressure sensor with vortex sensor, and it realized the accurate measurement of mass flow through the compensation of gas density.
客户利益包括成本效率和高质量，高质量来源于由气体密度测试分析作为品质保障的自动压制技术。
Customers' benefit consist of cost efficiency and high quality arising from the use of an automatic crimping technology which is quality assured through gas density test analysis.
在瓦斯涌出量一定的情况下，随着风速的增加，上隅角的范围呈减小趋势，且其内混合气体密度越小。
The range of upper corner and mix gas density is decreased as the face wind speed increased if gas emission is fixed.
通过仔细的理论分析，可以推导出如气体密度、温度和压力等各种物理参量，以及紫外辐射和电离辐射的流量。
With a careful theoretical analysis various physical parameters such as the gas density, temperature, and pressure, and the ultraviolet and ionizing radiation fluxes can be derived .
当井和一个水池相接时，油通常会从井里上升，因为它与井下的水的密度不同，或者因为停留在它上方的膨胀气体的压力。
When the well reaches a pool, oil usually rises up the well because of its density difference with water beneath it or because of the pressure of expanding gas trapped above it.
类地行星主要是岩石：密度大的石块和金属物质，同时会有少量的气体。
The terrestrial planets are mostly rocks: dense rocky and metallic material, with minor amounts of gases.
气体的密度低到足以形成对流。
The density of the gases are low enough to allow convective currents to develop.
例如平均气温的上升，它会使长期冰藏在冰层里的二氧化碳和甲烷从永冻层里释放出来——相当于温室气体二氧化碳的20倍密度。
Rising average temperatures, for example, threaten to unlock long-frozen stores of carbon dioxide and methane -- at least 20 times as potent a greenhouse gas as CO2 -- from the region's permafrost.
利用1857颗恒星的光线，一个由来自法国和美国天文学家组成的研究小组通过测量星光之间的细微差距来测定太阳周围气体的密度。
Using the light from 1, 857 stars, a team of French and American astronomers were able to measure the density of the gas surrounding our sun by examining fine differences in the starlight.
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。
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.
过去许多探测低密度气体的努力都受到了阻碍。
The low density of the gas hampered many attempts to detect it in the past.
超过此密度后，微波场在表面快速衰减，气体电离主要在表面进行。
Above this density, microwave field will damp rapidly, so the gas ionization is mainly on the surface.
超过此密度后，微波场在表面快速衰减，气体电离主要在表面进行。
Above this density, microwave field will damp rapidly, so the gas ionization is mainly on the surface.
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