In this research,we develop a Zero Velocity Update (ZUPT) based method for astronaut navigation and evaluate its perform......

This study first investigates the effect of the Madden-Julian Oscillation(MJO)on the Northern Hemisphere(NH)mesosphere.B......

Titanium diboride ceramic was produced via spark plasma sintering(SPS)using finer TiB2powder made by high-speed planetar......

The tropical heating and transient activity features during the period of the persistent anomaly of summertime circulati......

A linear,hemispheric and stationary spectral model with multilayers in the vertical was employed to simulate thevertical......

We perform numerical simulations to investigate tidal evolution of two single-planet systems,that is,WASP-50 and GJ 1214......

In order to improve the shift quality,a linear quadratic optimal tracking control algorithm for automatic transmission s......

An improvement strategy which controls the shift effort and the power summing planetary gear set of steering clutches an......

A piezoelectric driving method for rover vehicles is proposed in this paper. Employing this method, a tracked vehicle dr......

Automotive industry,as an important pillar of the national economy,has been rapidly developing in recent years.But propl......

A novel mechano-synthesis method has been elaborated in this work for the design of efficient cobaltbased Fischer–Trops......

To explore the effects of mechanical activation methods(ball mill, planetary mill and rod mill) on the oxidation and the......

We describe a novel experimental method by introducing sequential ionization with a pulsed and a strong constant electri......

In this paper, the propagating laws of quasi-stationary planetary waves forced in low latitudes in a realistic current ......

The observational facts show that over a wide range of time and space there exist in the atmosphere a variety of catast......

Using a three-layer quasi-geostrophic model including the motion of troposphere and stratosphere, and considering the j......

A multi-channel free space optical interconnection component,fiber optic rotary joint,was designed using a Dove prism. W......

The Tibetan Plateau is a key factor for the pattern of the general circulation of the atmosphere (GCA) in eastern Asia. ......

By the measurement of the wind directional indicator of the Cretaceous desert in Ordos Basin, the regularity of the pale......

Based on the baroclinic semi-geostrophic model,the effects of zonally symmetrical Ekman-CISK mechanism on the character......

Few studies were focused on the load-sharing characteristics of double-row planetary gear(DRPG)systems with bearings.Mea......

The vertical observation of volatile organic compounds(VOCs)is an important means to clarify the mechanisms of ozone for......

Considering the importance of investigating the transit timing variations(TTVs)of transiting exoplanets,we present a fol......

Analysis of the International Geomagnetic Reference Field (IGRF) 1900-2000 showsthat the Earth’s main magnetic field h......

A computational model of two stage double helical tooth planetary gear set is employed to built the lateraltorsional c......

As an essential component of a servo system,mechanical properties of high precision planetary servo gearhead direct infl......

Planetary gear set is the critical component in helicopter transmission train,and an important problem in condition moni......

The current research of a balanced hydraulic motor focuses on the characteristics of the motor with three planet gears.R......

This paper presents an analytical geometry method for kinematics and efficiency of planetary gear trains (PGTs). The nov......

By using the eight-times-daily sampling data from an intensive radiosonde observation campaign at Yichang(111°18′E,30......

The synthesis of new materials containing multi-walled carbon nanotubes (MWCNTs) and the microstructure of alumina parti......

Space programmes are shifting toward planetary exploration and in particular toward missions by human beings to the moon......

We present the solar-terrestrial transit process of three successive coronal mass ejections (CMEs) of November 4―5, 199......

The sources of ultra low frequency (ULF) waves in the magnetosphere are generally believed to be either the external sol......

Chinese Journal of Space Science (CJSS) is an authoritative scholarly journal in the field of space science under the au......

This paper reviews various progresses on the ionospheric studies by the scientists in China during the last two years.Th......

In this paper, we focus on ionospheric absorption in the East Asia sector, and look for manifestations of atmospheric in......

(8 ) Natural Disaster Reference Database　自然灾害资料数据库Bibliographic database on research,programs,and results whic......

This paper deals with the effects of electromagnetic forces on the orbital motion of a spacecraft.The electrostatic char......

The mechanochemical treatment of fly ash generated from a medical waste incinerator was subjected to grinding for 2 hr a......

在中国的大陆， ionospheric 研究组的数字是超过 10。与 ionospheric 物理有关的约 110 篇文章在 2014-2015 期间被出版了。在空间......

Passive seismic techniques have revolutionarised seismology,leading for example to increased resolution in surface wave ......

Banded iron formations(BIFs) are major rock units having hematite layers intermittent with silica rich layers and formed......

The formation mechanism of stoichiometry Ti5Si3 by mechanical alloying (MA) from elemental powders has been investigate......

On the basis of the conceptual model,the development of wintertime stratocumulus cloud has been sim-ulated by using a p......

Extraterrestrial particles have higher 3He/4He ratios than those of terrestrial sediments ( > 100 Ra versus < 0.03 Ra, w......

Al1-xWX( x = 0.1, 0.2, 0.5, 0.9) powders have been prepared by mechanical alloying of the elements in a planetary ball m......

The mechanical activation of tetrahedrite Cu_12Sb_4S_13 was carried out in a planetary mill.The changes in the surface.a......

A study of the mechanics and restoration for the South-Pointing Chariot was conducted.Firstly,the history of a manufactu......

This work reports on the production of Ni-50 at% Ti powders by a planetary ball mill in various times(0.5, 1, 2, 6, 20, ......