气体动力学

Based on the nonlinear dynamics theory, the stability and bifurcation of a symmetrical rotor supported in self-acting gas bearings were studied.

基于非线性动力学理论，研究了普通圆柱型径向气体动压轴承支承的转子动力系统的运动稳定性和分岔。

Aiming at the structure characteristics of direct ejection type air-bubble sparger, the article analyzed the hydrodynamics model of the air ejecting outflow of the air-bubble sparger.

针对空气直接喷射式气泡发生器结构特点，分析了气泡发生器气体喷射出流的流体动力学模型，通过试验室和工业型浮选柱的清水气泡发生试验，修正了气泡喷射出流理论计算公式，对工业型浮选柱的大型化研制提供一定的理论依据。

The geothermal field characteristics,thermal spring genesis and its gas composition in East China are analyzed by use of the principles and methods of tectonic dynamics,geothermics and geochemistry in the paper.

本文运用构造动力学、地热学和地球化学的原理和方法分析了中国东部地热场特征、温泉形成的控制因素及气体组成特征。

The presenting topics include introduction, gas and liquid, thermodynamics, thermochemistry, spectroscopy of chemistry, chemical equilibrium, physical equilibrium, solution, electrochemistry, chemical kinetics.

介绍主题包括绪论，液体与气体，热力学，热化学，化学光谱学，化学平衡，物理平衡，溶液，电化学及化学动力学等。

The research has shown that the ourgassing of the Earth can be regarded as a key link,which connects the separated branches of the Earthscience into a whole mega system The essence of Earth outgassing is the expelling of mantle ichorspontaneously and radiately from the interior of the Earth,resulting in five gas spheres and gas geodynamics The upwelling of HANCONS makes the solid mantle and crust to ulcerate by the alkaline mesomatism,alteration and magma formation, and the ...

地球排气的实质是幔汁(HACONS超临界态流体)从深部自发向上、向外的辐射排放，结果形成了地球内外的 5个气圈和气体地球动力学，幔汁上涌后通过碱交代作用产生蚀变和岩浆并促使原来为固体的上地幔、地壳发生溃变，在地球的 3个基本动力，即重力、地球自转变速、圈层旋转差速和天体潮汐力联合作用的大前提下诱发出大地构造运动、地球演化和自然灾害。

The essence of Earth outgassing is the expelling of mantle ichorspontaneously and radiately from the interior of the Earth,resulting in five gas-spheres and gas geodynamics.The upwelling of HANCONS makes the solid mantle and crust to ulcerate by the alkaline mesomatism,alteration and magma formation, and the geotectonic movement,natural hazards and evolution of the Earth under the general control of gravity,rotation rate changes of the geospheres and tiding forces from the planets,especially the Moon.

地球排气的实质是幔汁（HACONS超临界态流体）从深部自发向上、向外的辐射排放，结果形成了地球内外的5个气圈和气体地球动力学，幔汁上涌后通过碱交代作用产生蚀变和岩浆并促使原来为固体的上地幔、地壳发生溃变，在地球的3个基本动力，即重力、地球自转变速、圈层旋转差速和天体潮汐力联合作用的大前提下诱发出大地构造运动、地球演化和自然灾害。

"If so, understanding the dynamical relationship between the smaller terrestrial planets and the more massive gas and ice giants may help us to understand how common Earthlike planets might be in our galaxy."

&如果是这样的话，通过理解小型陆地行星与更大型的气体和冰构成的行星的动力学关系，可以帮助我们理解类地行星普遍存在于银河系之中的可能性有多大。&

The global weak entropy solutions" existence and uniqueness of polytropic gas isentropic dynamics equations" general Cauchy problem has been solved. But, to the structure, property, regularity of solutions which has more physics meaning, there are less results now.

多方气体的等熵动力学方程组的一般Cauchy问题整体弱熵解的存在性及唯一性已经获得解决，但是，对于更具有物理意义的解的结构、性态、正则性等问题，已有的研究成果还不多。

Based upon SIMPLEC algorithm of CFD analysis, air film flow in the oil-free air bearing is simulated to illustrate its working principle, as well as performance's influence from air compressibility, shaft eccentricity ratio, clearance size and rotating speed.

基于计算流体动力学中的SIMPLEC算法，从流动模拟分析的角度对动压气膜轴承的工作机理，包括气体可压缩性，轴承间隙大小，轴颈偏心率及轴承运行线速度的作用等作了分析。

The thermal decomposition behavior of a novel gas-generating agent used for two steps foaming process of aluminum was investigated, its kinetic and thermodynamic characteristics of decomposition reactions, and the potential reactions between the foaming gas and the melt were analyzed.

摘 要：研究一种适于两步法制备泡沫铝工艺用新型发泡剂的热分解行为，分析其分解过程中的动力学与热力学特征，以及发泡气体与熔体之间可能存在的反应。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。