Science Discovery

Volume 9, Issue 1, February 2021

  • Research on Slope Model Reconstruction Based on Mobile Terminal Monocular Vision

    Li Jishan, Shi Xingxi, Wang Xianghong

    Issue: Volume 9, Issue 1, February 2021
    Pages: 1-6
    Received: Dec. 02, 2020
    Accepted:
    Published: Jan. 18, 2021
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    Abstract: In this paper, a method of slope surface model reconstruction based on smart phone is proposed for the problems of point layout limitation, expensive measuring equipment and easy operation of monitoring personnel. By explaining the principle and steps of the SfM-MVS algorithm, the slope surface model is reconstructed based on the slope image taken ... Show More
  • Study on the Good Wind Characteristics over a Large Central City by Laser Radar Measurement

    Li Yuandong, Quan Yong

    Issue: Volume 9, Issue 1, February 2021
    Pages: 7-12
    Received: Dec. 29, 2020
    Accepted:
    Published: Jan. 28, 2021
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    Abstract: In recent years, the process of urbanization in my country has accelerated, the density of buildings in large cities has been increasing, and the height of buildings has also increased, resulting in an increasingly complex wind environment in the city center. An accurate and reasonable description of the characteristics of the wind field within the... Show More
  • Study of Interference Effect of Wind Pressure on Roof of Multi-storey Residential Buildings

    Xiao Luan, Peng Huang

    Issue: Volume 9, Issue 1, February 2021
    Pages: 13-20
    Received: Jan. 05, 2021
    Accepted:
    Published: Jan. 30, 2021
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    Abstract: In this paper, a series of wind tunnel experiments were carried out on the rigid model of 5-6 storey residential buildings to study the influence of the location, spacing and wind direction of the buildings on the roof wind pressure of multi-storey residential buildings. The test results show that the maximum average wind pressure and extreme negat... Show More
  • A Meta-analysis of the External Treatment of Traditional Chinese Medicine for Granulomatous Mastitis

    Liang Hongyi, Chen Hanhan

    Issue: Volume 9, Issue 1, February 2021
    Pages: 21-26
    Received: Feb. 02, 2021
    Accepted:
    Published: Mar. 09, 2021
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    Abstract: Objective: to systematically evaluate the clinical efficacy of external treatment of granulomatous mastitis (including clinical efficiency and the change of mass size). Methods: the computer was used to search CNKI, Wanfang database, VIP net, CBM, PubMed and Embase, and it was used to search and select the clinical randomized controlled trials of t... Show More
  • Investigation on Alternobaric Vertigo of Gradational Simulated Saturation Diving with the Deepest Saturation of 480m to -493m

    Jianguang Zhou, Changyun Liu, Yingqi Zhou

    Issue: Volume 9, Issue 1, February 2021
    Pages: 27-31
    Received: Feb. 23, 2021
    Accepted:
    Published: Mar. 12, 2021
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    Abstract: Objective To provide medical support for deep helium-oxygen saturation diving. Methods According to the data, the diagnostic criteria of Alternobaric vertigo were established. Gradational simulated saturation diving at 65 m, 250 m and 480m helium-oxygen saturation -493 m (hereinafter referred to as 480 m) in 500m saturation system, questionnaire, p... Show More