Showing 141 - 160 results of 4,914 for search '"Earth"', query time: 0.06s Refine Results
  1. 141

    Research on Ecological Restoration Mechanism of Rare-Earth Mines Based on Evolutionary Game by Guangli Yan, Fei Xue, Zhongxue Li

    Published 2020-01-01
    “…With the continuous improvement of the rare earth’s international status, the status of rare Chinese earth has gradually become prominent all over the world. …”
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    Article
  2. 142

    Integrated Architecture and Application Assumption of Earth-Space Communication and Remote Sensing Combination by Wenbo SU, Chi ZHANG, Niwei WANG, Zhichao QIN

    Published 2024-06-01
    “…Remote sensing systems are important means of space-based Earth observation, due to issues such as delayed measurement and control commands, data transmission, data processing, and product distribution in the "collection-processing-distribution" process, it is difficult to effectively achieve real-time intelligent remote sensing application services that cover all day, all weather, and the world.The combination of low earth orbit communication and remote sensing satellite constellations is an effective way to solve service delay and separate control problems in existing systems.It summarized the current situation of communication and remote sensing integration over the world, and then imagined the architecture, development stages, and service modes of the integration of communication and remote sensing.Finally, key technologies under the communication and remote sensing integration architecture were proposed, and the application process of communication and remote sensing integration used typical application scenarios were explored.…”
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  3. 143
  4. 144

    Airworthiness analysis of low earth orbit satellite communication technology for UAV application by Yaoyu HE, Chao ZHANG

    Published 2023-06-01
    “…With the rapid development of unmanned aerial vehicle (UAV) and low earth orbit (LEO) satellite technology, the integrated network consisted of the space, air, ground and sea has promoted the wide development of Internet of remote things (IoRT) on the UAV platform.Confronting the application demand of UAV with LEO satellite, the corresponding flight safety of UAV needs to be considered firstly, and the airworthiness of UAV has become the top priority of the technical application.The significance of the airworthiness of the UAV system was introduced and the technology of LEO satellite with UAV was summarized.Moreover, the related airworthiness programs of UAV equipped with LEO communications system were proposed.Meanwhile, based on the comprehensive analysis of UAV oriented LEO satellite technology, the means of compliance (MOC) on the airworthiness theory has been carried out.…”
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  5. 145

    Pullout Characteristics of Geosynthetics Reinforced Earth Using Multilayer Spreading Pullout Test by Jong-Beom Park, Daehyeon Kim, Si-Bong Yang, Jang-Heung Kim

    Published 2017-01-01
    “…Pullout test equipment for examining pullout characteristics in a reinforced earth structure is relatively larger than direct shear testing machines and requires much time and expenses in preparing samples. …”
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  8. 148

    BRDF Model of Mars Simulation Soil and Its Comparison with BRDF of Earth Sand by Yu-Feng Yang, Xiang Han, Ming-Bo Jiang, An-Li Han, Wen-Shuai Li

    Published 2021-01-01
    “…In addition, the experimental data of four kinds of earth sand samples with different roughness were also fitted and analyzed. …”
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  13. 153

    Hydrochloric Acid Leaching Study of Rare Earth Elements from Moroccan Phosphate by Marouane Amine, Fatima Asafar, Latifa Bilali, Mehdi Nadifiyine

    Published 2019-01-01
    “…The rare earth analyses done by the ICP-MS technique have shown an overall amount of rare earths (ΣREs) of 228.408 ppm with the existence of yttrium as the major element.…”
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  14. 154

    ARMA Prediction of SBAS Ephemeris and Clock Corrections for Low Earth Orbiting Satellites by Jeongrae Kim, Mingyu Kim

    Published 2015-01-01
    “…For low earth orbit (LEO) satellite GPS receivers, space-based augmentation system (SBAS) ephemeris/clock corrections can be applied to improve positioning accuracy in real time. …”
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  15. 155

    Experimental Research on the Impact of Ion Exchange and Infiltration on the Microstructure of Rare Earth Orebody by Xiaojun Wang, Yulong Zhuo, Shuqiang Deng, Yongxin Li, Wen Zhong, Kui Zhao

    Published 2017-01-01
    “…To detect the evolutional characteristics of pore structure in ore leaching process of ion-type rare earth, this paper analyzes the influence mechanism of ion exchange seepage action on the microstructure of orebody, and an experiment for remodeling rare earth saturated samples and ore leaching was designed. …”
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  16. 156
  17. 157

    Low-Thrust Transfer Design of Low-Observable Geostationary Earth Orbit Satellite by Bing Hua, Zhujun Shao

    Published 2015-01-01
    “…This paper presents the design for a low-thrust geostationary earth orbit (GEO) transfer control strategy which takes into consideration the low-observable constraint and discusses Earth shadow and perturbation. …”
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  18. 158

    Geomagnetic Energy Approach to Space Debris Deorbiting in a Low Earth Orbit by Guanhua Feng, Wenhao Li, Heng Zhang

    Published 2019-01-01
    “…Over 70% of debris is distributed between the 500 km and 1000 km low Earth orbits (LEO), and existing methods may be theoretically feasible but are not the high-efficiency and low-consumption methods for LEO debris removal. …”
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  19. 159

    Gravity-Assist might be a Solution to Save Earth from Global Warming by Sohrab Rahvar

    Published 2023-11-01
    “…The result would be increasing the orbital distance of the earth and consequently cooling down the Earth's temperature. …”
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  20. 160

    Stochastic Generation of Subsurface Profiles for Realistic Simulation of Through-the-Earth Communication Systems by Josua Daniel Pena Carreno, A. Judson De Barros Braga

    Published 2019-01-01
    “…Channel modeling for Through-the-Earth (TTE) communication has mainly been based on deterministic and empirical formulations. …”
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