The surface gravity, which is defined from the 1 bar pressure level in a gas giant's atmosphere, is 90 percent that of Earth's and the speed needed to reach low orbit is lowest of all the gas planets.
表面重力，这个气体巨人的大气层的气压水平限制在一巴范围，是地球的百分之90的并且需要达到的低轨道的速度是所有的气体行星的最低水平。
In space men lack the air needed for breathing, the pressure required to stop their blood from boiling and the natural protection of the atmosphere against radiation.
在太空，人们缺乏呼吸所必需的空气，缺乏能抑制血液沸腾的压力以及抗辐射的大气的自然保护。
Atmospheric pressure decreases with increase in altitude and so does the density of the atmosphere.
大气压力随高度增加而降低，大气密度也随着高度增加而降低。
Refractive index field of atmosphere distributes homogeneously due to the difference of pressure, temperature, relative humidity and carbon dioxide content in the atmospheric optics.
在大气光学成像领域，由于大气中压强、温度、相对湿度和二氧化碳含量的不同，导致大气折射率场呈非均匀分布。
An observational result of the relation between a kind of pressure waves in the atmosphere and local earthquakes is reported.
本文报道了大气中一种压力波动与区域地震间关系的初步观测结果。
Torricelli's work on water barometers showed that the pressure of the atmosphere could balance a column of water just over 30 feet in height.
托里切利在水银气压计方面的研究表明大气的压力可以让气压计中的水银柱上升30多英尺。
You would have to be 50 km high in the atmosphere of Venus before the pressure would appear like the Earth's.
在金星大气中一个人要身高50千米才会出现和地球差不多的压力。
The atmosphere which can affect the refractive index of air is sealed in a column where the temperature, pressure and humidity maintain constant.
将影响空气折射率的大气密封在一个温度、压力、湿度恒定的柱体中。
The measurement of pressure broadening coefficient of SO_2 in laboratory can provide necessary data for concentration monitor in interstellar and Earth's atmosphere.
实验室中对其压致展宽系数的测量能直接为天体间和地球大气层中SO_2浓度的检测提供必要的数据。
Generally, the gage is put in the atmosphere, it can only measure the difference between the absolute pressure and local atmospheric pressure. It can not give out the absolute pressure.
测量压力的仪表通常处于大气环境中，不能直接测量出绝对压力，显示的是绝对压力和当时当地大气压的差值。
Torricelli's work on water barometers showed that the pressure of the atmosphere could balance a column of water just over30feet in height.
托里切利在水银气压计方面的研究表明大气的压力可以让气压计中的水银柱上升30多英尺。
Effects of coal rank, coal maceral, temperature, heating rate, coal particle size, residence time, atmosphere, and pressure on the phenols production in coal conversion were discussed in this paper.
本文探讨了煤化度、煤岩组成、温度、加热速度、煤颗粒大小、停留时间、反应气氛和压力对煤转化过程中酚类产生的影响。
The bitelecentric lens, control and compensation of temperature and atmosphere pressure, high resolution imagery and dark field TTL alignment in the system are also described.
物镜具有双远心和有温度气压控制补偿，在满足高精度成像的同时，又能同时满足暗场同轴对准的特点。
At present, the performance of pressure swing adsorption is researched for controlling the composition and content in the controlled atmosphere storage.
本课题研究的是用变压吸附法调节控制气调库中的气体组成和含量。
Through detecting the Doppler shifts of airglow (aurora) in upper atmosphere, the physical quantity such as velocity, temperature and pressure of upper atmosphere is derived.
通过探测高层大气中气辉（极光）辐射线的多普勒频移，可以反演出高层大气中的速度、温度和压强等物理量。
Comparing with the results obtained in air atmosphere, in the argon atmosphere at reduced pressure can obviously improve the quality of spectral line.
与空气环境下得到的实验结果比较，在减压氩气环境下，谱线强度明显增强，自吸现象减小，谱线品质得到明显改善。
The earth's atmosphere is in hydrostatic equilibrium under the combined action of the gravitational attractive force of the earth and the pressure of the gases in the atmosphere.
地球大气就处于地球引力和大气中气体压力共同作用之下的流体静力平衡状态。
Atmospheric pressure decreases with the increase in altitude and so does the density of the atmosphere.
大气压力随高度的增加而降低，大气的密度也如此。
The low-temperature sintering of UO_2 pellets in the partial-pressure oxidization atmosphere is studied.
试验研究了微氧化气氛下二氧化铀芯块的低温烧结。
Hangzhou intended to control the total amount of vehicle pollutants, in order to lessen the pressure of the atmosphere.
杭州拟控制机动车污染物总量，为大气解压。
Hangzhou intended to control the total amount of vehicle pollutants, in order to lessen the pressure of the atmosphere.
杭州拟控制机动车污染物总量，为大气解压。
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