Earth Sciences

Volume 4, Issue 6, December 2015

  • The Spatial Distribution Characteristics of IT Enterprises in Shanghai Caohejing Hi-Tech Park: Take the 24 Buildings as Example

    Long-fei Chen

    Issue: Volume 4, Issue 6, December 2015
    Pages: 223-227
    Received: 4 December 2015
    Published: 5 December 2015
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    Abstract: Due to the increasing returns to scale and the external economic effect, the industrial cluster, as a kind of geographical phenomenon in the process of industrial development, is the inevitable product of the process of economic development in the world. This paper selects 24 buildings in Caohejing Hi-Tech Park(CHJ, Shanghai, China) as a sample. Us... Show More
  • Trend and Abrupt Analysis of Rainfall Change During Last 50 Years in the WeiHe Basin

    Li Zhi, Sun Dongyong

    Issue: Volume 4, Issue 6, December 2015
    Pages: 228-234
    Received: 4 December 2015
    Published: 5 December 2015
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    Abstract: In order to explore the change of 50 years’ rainfall trend and abrupt change in WeiHe Basin, we using the annual rainfall data of 21 important control stations in WeiHe basin from 1960 to 2012 to analyze the changes in the time rainfall and the change trend of the annual rainfall anomaly, and using Kendall - Mann method to test the trend of rainfal... Show More
  • Analysis of Relation and Variation Characteristics Between Soil Water and Groundwater in Planting Conditions

    Wanxin Li, Junqi He

    Issue: Volume 4, Issue 6, December 2015
    Pages: 235-240
    Received: 4 December 2015
    Published: 5 December 2015
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    Abstract: The station located in Aksu region is distributed under the Tarim Basin oasis which is in arid condition, it is the largest cotton producing area in China, also is has the greatest changes in the Tarim Basin. The study of arid farmland ecosystem water oasis, salinity and nutrient rule change process, water-saving irrigation technology demonstration... Show More
  • Analysis on Groundwater Dynamic Characteristics and Causes in Yao Ba Oasis

    Li Huan-huan, Lu Yu-dong, Zhang Xiao-zhou, Zheng Ce

    Issue: Volume 4, Issue 6, December 2015
    Pages: 241-246
    Received: 4 December 2015
    Published: 5 December 2015
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    Abstract: According to the monitoring data from 1984 to 2014 of the groundwater table in Yao Ba oasis, Alax League, Inner Mongolia of China, analysis the annual and interannual variation of the groundwater table and its genesis in the irrigation area. In addition, use the Surfer11 to draw the water-table contour and restore the cone of depression. Analytical... Show More
  • Preparation and Microwave Absorbing Properties of Hollow Sphere Fe3O4/Co Composite

    Yanhong Fu, Guimei Shi, Zhijie Li

    Issue: Volume 4, Issue 6, December 2015
    Pages: 247-251
    Received: 4 December 2015
    Published: 5 December 2015
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    Abstract: In this paper, the hollow sphere Fe3O4 powders pepared by the solvothermal method were mixed with Co nanoparticles (prepared by arc-discharge, the size about 100nm), the quality ratio of Fe3O4 and Co is 4:1. The SEM study shows that the Fe3O4 powders have Hollow sphere structural with the size of about 200nm. As a result, when Co nanoparticles are ... Show More
  • Research on the Leap Forward Development of Nujiang Autonomous Prefecture in Yunnan Province China—— Also on the Development of Minorities Regions in Southwest China

    Luo Weiyou

    Issue: Volume 4, Issue 6, December 2015
    Pages: 252-260
    Received: 3 December 2015
    Published: 5 December 2015
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    Abstract: Nujiang Lisu Autonomous Prefecture Yunnan Province, China (hereinafter the Nujiang Autonomous Prefecture for short) set of frontier, ethnic religion, poverty, ecological and natural disasters in one, is a typical representative of the southwest frontier ethnic regions. Harsh geological and ecological environment and frequent natural disasters make ... Show More
  • Heavy Metal Assessment of Groundwaters in the Vicinities of Dumpsites in Calabar Metropolis, South-Eastern Nigeria

    Azubuike S. Ekwere, Solomon J. Ekwere

    Issue: Volume 4, Issue 6, December 2015
    Pages: 261-265
    Received: 6 February 2014
    Accepted: 9 November 2015
    Published: 7 December 2015
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    Abstract: Assessment of heavy metal contents in groundwater in vicinities of dumpsites within the Calabar metropolis was carried out. The dumpsites included those located at Akai-Effa, Anantigha, Bogobiri, LEMNA road and Marina beach. The choice of dumpsites was guided by magnitude of operation, history and longevity as related to possible metal speciation, ... Show More
  • Petrographic and Geochemical Characterization of Basalts in Bangangte Area (West Cameroon): Implications on Their Source

    Pierre Wotchoko, Joëlle Flore Tene Djoukam, Gus Djibril Kouankap Nono, Patrice Arnaud Kouske, David Guymollaire Nkouathio, Solange Atenkia Fonkem

    Issue: Volume 4, Issue 6, December 2015
    Pages: 266-274
    Received: 25 October 2015
    Accepted: 6 November 2015
    Published: 7 December 2015
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    Abstract: The Bangangte area belongs to the Cameroon Volcanic Line. The volcanic rocks exposure in the area consist of fine microlitic porphiritic Basalts which still poorly surveyed. Petrographically, the studied rocks are made up of minerals like plagioclase, clinopyroxene, olivine phenocrysts and a lot of opaque minerals within a very fine grained matrice... Show More
  • Impact of Biofield Energy Treatment on Soil Fertility

    Mahendra Kumar Trivedi, Alice Branton, Dahryn Trivedi, Gopal Nayak, Sambhu Charan Mondal, Snehasis Jana

    Issue: Volume 4, Issue 6, December 2015
    Pages: 275-279
    Received: 24 October 2015
    Accepted: 6 November 2015
    Published: 21 December 2015
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    Abstract: Measurement of soil components such as microbial population, minerals and obviously the content of organic carbon play the important roles for the productivity of crops and plants. The present study was attempted to evaluate the impact of Mr. Trivedi’s biofield energy treatment on soil for its physical (electrical conductivity), chemical (minerals)... Show More
  • Magnetic Properties of Mixed Spin Ising Diamond Chain

    Ma Xiao-Yu

    Issue: Volume 4, Issue 6, December 2015
    Pages: 280-285
    Received: 30 December 2015
    Published: 30 December 2015
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    Abstract: In this paper, we establish a mixed spin Ising diamond chain model on the basis of the effective-field theory with correlations. The formula of the magnetization and the magnetic susceptibility has been given. Effects of the various parameters such as exchange couplings and the anisotropy on the magnetization and the magnetic susceptibility of Isin... Show More