Science Discovery

Volume 10, Issue 6, December 2022

  • Research on Micro Renewal Strategy of Aged Public Space Under the Background of Healthy City

    Yating Liu, Lan Wang, Lingyan Fan

    Issue: Volume 10, Issue 6, December 2022
    Pages: 374-383
    Received: Oct. 09, 2022
    Accepted: Nov. 03, 2022
    Published: Nov. 04, 2022
    DOI: 10.11648/j.sd.20221006.11
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    Abstract: At the moment when the aging problem is more and more serious, the healthy quality of life of the elderly is also paid more attention. As an important part of the urban public open space, the aging public space fully considers the health value and functional benefits in its construction, which has a very positive significance for improving the qual... Show More
  • On the Effect of Minimalist Art on Modern Landscape Design

    Ren Yifan

    Issue: Volume 10, Issue 6, December 2022
    Pages: 384-390
    Received: Oct. 11, 2022
    Accepted: Nov. 03, 2022
    Published: Nov. 04, 2022
    DOI: 10.11648/j.sd.20221006.12
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    Abstract: Modern landscape is mainly a material environment created by the interaction of the environment and people, through people's actions and attitudes. In the development process of modern landscape design, many art schools emerging in the West have exerted a profound influence on our social consciousness and artistic concept. Among them, minimalism, a... Show More
  • The Value of MRI Combined with DWI in Diagnosing Colorectal Mucinous Adenocarcinoma Combined with Abscess

    Honghuan Dong, Liqing Kang, Rongju Zhang

    Issue: Volume 10, Issue 6, December 2022
    Pages: 391-395
    Received: Oct. 25, 2022
    Accepted: Nov. 11, 2022
    Published: Nov. 14, 2022
    DOI: 10.11648/j.sd.20221006.13
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    Abstract: Objective: To investigate the value of MRI combined with DWI in diagnosing colorectal mucinous adenocarcinoma combined with abscess. Methods: The clinical, MRI and DWI data of 14 patients with colorectal mucinous adenocarcinoma combined with abscess confirmed by pathology were retrospectively analyzed. The ADC values were calculated and compared in... Show More
  • Model Predictive Control of Grid-Connected Inverter Based on Exponentially Extended State Observer

    Liu Zhile, Xie Yunyi, Wang Dan

    Issue: Volume 10, Issue 6, December 2022
    Pages: 396-405
    Received: Oct. 19, 2022
    Accepted: Nov. 10, 2022
    Published: Nov. 14, 2022
    DOI: 10.11648/j.sd.20221006.14
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    Abstract: Aiming at the problem of low control accuracy and delay compensation failure of the finite control set model predictive current control (FCS-MPCC) under parameter variation and external disturbances of the grid - connected inverter, a hyper-local model extended state observer (An Ultra-local model extended state observer (U-ESO) based predictive co... Show More
  • MPPT Method Based on Improved Super-Twisting Algorithm

    Mao Yi-dong

    Issue: Volume 10, Issue 6, December 2022
    Pages: 406-413
    Received: Oct. 21, 2022
    Accepted: Nov. 11, 2022
    Published: Nov. 14, 2022
    DOI: 10.11648/j.sd.20221006.15
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    Abstract: Maximum Power Point Tracking (MPPT) strategy is necessary to extract the maximum power production of a Photovoltaic system. Aiming at the obvious output chattering problem of traditional sliding mode control in the maximum power point tracking process of photovoltaic power generation, a sliding mode control maximum power point tracking strategy bas... Show More
  • Short-Term Power Load Forecasting Based on Hybrid ReliefF-PMI-IGWO

    Chen Zichun, Li Zhen, Fu Hua

    Issue: Volume 10, Issue 6, December 2022
    Pages: 414-421
    Received: Oct. 14, 2022
    Accepted: Nov. 11, 2022
    Published: Nov. 29, 2022
    DOI: 10.11648/j.sd.20221006.16
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    Abstract: With the rapid growth of power grid in China, it is becoming more and more important to forecast short-term power load. Aiming at the problems of complex causes of short-term load forecasting, large amount of data, low efficiency and poor accuracy of traditional model forecasting methods, and the single model forecasting can no longer adapt to the ... Show More
  • Industrial Plant Renewal from the Perspective of Urban Renewal -- Taking the Transformation of Pingenli Paper Mill as an Example

    Zhao Ping, Gao Ruihong, Li Jianjie, Chen Tianyu

    Issue: Volume 10, Issue 6, December 2022
    Pages: 422-426
    Received: Oct. 23, 2022
    Accepted: Nov. 22, 2022
    Published: Nov. 29, 2022
    DOI: 10.11648/j.sd.20221006.17
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    Abstract: To the current stage of urban development, our country has transitioned from incremental planning to a new era dominated by stock planning. As the carrier of industrialization of resource concentration, industrial park promoted the process of urbanization in the early stage of development. The traditional industrial market is declining, most enterp... Show More
  • Lean Construction and Engineering Practice Based on Modular Assembly Integration

    Chen Zhaorong, Zhang Jichao, Cai Zhili, Chen Wurong, Zeng Changluo

    Issue: Volume 10, Issue 6, December 2022
    Pages: 427-432
    Received: Sep. 27, 2022
    Accepted: Nov. 16, 2022
    Published: Nov. 29, 2022
    DOI: 10.11648/j.sd.20221006.18
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    Abstract: Prefabricated modular building is a new type of industrial building, The traditional buildings can be reasonably divided into modular units for streamlined production in the factory, then transported to the construction site or project construction site, and then assembled into a whole building through special connection methods and special equipme... Show More
  • Study on the Coordinated Development Strategy of Jingzhong Village Under Ecological Constraints -- A Case Study of Maanshan Nursery Village, East Lake, Wuhan

    Chen Si

    Issue: Volume 10, Issue 6, December 2022
    Pages: 433-438
    Received: Sep. 20, 2022
    Accepted: Nov. 11, 2022
    Published: Nov. 29, 2022
    DOI: 10.11648/j.sd.20221006.19
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    Abstract: Scenic spots are areas where people and nature develop in harmony. With the increase of the number of scenic spots in China, Jingzhong Village, as a special type of village in scenic spots, has been paid more and more attention to its development. For a long time, our country has insufficient understanding of the value of Jingzhong Village, lack of... Show More
  • Comparative Study on Indoor Wind Environment of University Dormitories Based on PHOENICS

    Shao Xingang, Tao Danyang

    Issue: Volume 10, Issue 6, December 2022
    Pages: 439-444
    Received: Oct. 24, 2022
    Accepted: Nov. 23, 2022
    Published: Nov. 29, 2022
    DOI: 10.11648/j.sd.20221006.20
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    Abstract: With the vigorous development of the education industry, the energy consumption of university buildings has been studied by more and more scholars. Natural ventilation can effectively reduce the use of building equipment and energy consumption. In the architectural design stage, reasonable organization of natural ventilation can achieve the purpose... Show More
  • Research on the Quality Optimization of Pocket Park from the Perspective of Space Justice

    Zhou Yang, Bai Mei

    Issue: Volume 10, Issue 6, December 2022
    Pages: 445-449
    Received: Oct. 25, 2022
    Accepted: Nov. 23, 2022
    Published: Nov. 29, 2022
    DOI: 10.11648/j.sd.20221006.21
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    Abstract: With the acceleration of China's urbanization process, the functional responsibilities that cities should undertake also increase. Whether urban construction can meet the functional needs of current urban development is also one of the problems that need to be solved urgently in urban development. As an indispensable component of the park green spa... Show More
  • Research on the Evolution of Traditional Village Public Space Based on Spatial Syntax——Take Peicheng Village, Henan Province as an Example

    Pandi Sun

    Issue: Volume 10, Issue 6, December 2022
    Pages: 450-458
    Received: Oct. 25, 2022
    Accepted: Nov. 23, 2022
    Published: Nov. 29, 2022
    DOI: 10.11648/j.sd.20221006.22
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    Abstract: The public space of traditional villages, as the material space environment carrying villagers' daily neighborhood communication, public life and inheritance of historical and cultural context, reflects the deep social order of traditional villages to a certain extent. Therefore, in the context of beautiful rural construction, in-depth research on ... Show More
  • Research on Identifiability of Barkhor Street Based on Text Analysis and Space Syntax

    Kou Hanxi, Long Bin

    Issue: Volume 10, Issue 6, December 2022
    Pages: 459-465
    Received: Oct. 30, 2022
    Accepted: Nov. 25, 2022
    Published: Nov. 29, 2022
    DOI: 10.11648/j.sd.20221006.23
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    Abstract: The Barkhor Street historical block is the epitome of Lhasa's urban development. Scientific evaluation of its identifiability is of great significance for optimizing the spatial pattern of the block and improving the image cognition. Based on text analysis of review data and space syntax, taking Barkhor Street in Lhasa as the research object, this ... Show More
  • Research on the Spatial Distribution of Network Public Opinion of Important Geographical Events

    Li Jie, Chen Lu Lu, Yang Zhen, Hu Jun

    Issue: Volume 10, Issue 6, December 2022
    Pages: 466-473
    Received: Nov. 05, 2022
    Accepted: Dec. 01, 2022
    Published: Dec. 08, 2022
    DOI: 10.11648/j.sd.20221006.24
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    Abstract: The new geography research of the information society includes two forms: real geographic space and virtual cyberspace. This paper studies and analyzes the geographical distribution characteristics of cyberspace information from the perspective of geography. With geographic events as the entrance and Sina Weibo information platform, it explores the... Show More
  • Simplified Model Predictive Control of Low-Loss Grid-Connected Inverter

    Liu Chunxi, Zhang Tianqi, Liu Zhile, Zhao Yucheng, Tian Baoqi

    Issue: Volume 10, Issue 6, December 2022
    Pages: 474-481
    Received: Oct. 21, 2022
    Accepted: Nov. 29, 2022
    Published: Dec. 08, 2022
    DOI: 10.11648/j.sd.20221006.25
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    Abstract: The finite control set model predictive control (FCS-MPC) for grid-connected inverter requires ergodic optimization and there are unnecessary switching actions, resulting in large system computation and switching loss. In order to solve the problem of large system computation, a simplified model predictive control method for grid-connected inverter... Show More
  • Improved Sand Cat Swarm Optimization with Multi-strategy Cooperative

    Qiao He, Zhang Yuhan

    Issue: Volume 10, Issue 6, December 2022
    Pages: 482-488
    Received: Nov. 05, 2022
    Accepted: Nov. 29, 2022
    Published: Dec. 08, 2022
    DOI: 10.11648/j.sd.20221006.26
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    Abstract: The basic sand cat swarm optimization (SCSO) algorithm has the shortcomings of low accuracy, slow convergence and easy local optimality in solving complex optimization problems. An improved SCSO algorithm (Improved sand cat swarm optimization, ISCSO) is proposed based on chaotic sequences and Lévy flight. The initial population is generated using t... Show More
  • Evaluation of High-Speed Railway Stations in Nanjing Metropolitan Area Based on Node-Place Model

    Xinran Zhu

    Issue: Volume 10, Issue 6, December 2022
    Pages: 489-494
    Received: Oct. 30, 2022
    Accepted: Nov. 29, 2022
    Published: Dec. 08, 2022
    DOI: 10.11648/j.sd.20221006.27
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    Abstract: With the deepening of the regional integration process, the connectivity of the transport infrastructure in the metropolitan area has become increasingly close, and the construction of high-speed rail network has become an inevitable trend. Facing the arrival of the high-speed railway era, it is of great practical significance to carry out classifi... Show More
  • Research on the Strategy of Cultural Integration and Promotion in the Design of Guilin Historical and Cultural District Signage System

    Huang Jiangwen, Zhang Ziyin, Wu Lili

    Issue: Volume 10, Issue 6, December 2022
    Pages: 495-499
    Received: Oct. 31, 2022
    Accepted: Dec. 01, 2022
    Published: Dec. 08, 2022
    DOI: 10.11648/j.sd.20221006.28
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    Abstract: In recent years, the construction and protection of historical and cultural blocks have developed rapidly. As an important link in the construction of historical and cultural blocks, the design of Wayfinding System has an important function of guiding the environmental space information and conveying the urban cultural connotation. However, the des... Show More
  • Crack Detection of Concrete Bridges Based on Improved U-Net Model

    Zhen Huang, Xingtuo Zhang, Kaizhong Xie, Xiaojun Ke, Yiyi Zhang

    Issue: Volume 10, Issue 6, December 2022
    Pages: 500-505
    Received: Nov. 02, 2022
    Accepted: Nov. 29, 2022
    Published: Dec. 08, 2022
    DOI: 10.11648/j.sd.20221006.29
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    Abstract: Bridge is an important part of traffic infrastructure, and its maintenance is related to smooth traffic and even the safety of people's lives and property. Automatic detection of concrete bridge cracks is an important part of bridge maintenance. However, it is still a challenging task due to the inhomogeneous strength of concrete bridge cracks, the... Show More
  • Research on the Development and Upgrading Strategy of Underground Space Form Based on Toughness Improvement

    Shao Feng, Shi Pingyang, Li Shaoxuan, Xin Wutang

    Issue: Volume 10, Issue 6, December 2022
    Pages: 506-512
    Received: Dec. 21, 2022
    Accepted:
    Published: Dec. 23, 2022
    DOI: 10.11648/j.sd.20221006.30
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    Abstract: In recent years, natural disasters have occurred frequently, and people's lives and property safety have been threatened. There is an urgent need to improve urban resilience to promote sustainable urban development. The government has also continuously promoted the development of resilient cities from a strategic level. As an important part of citi... Show More
  • Optimal Control Strategy of Hybrid Three-Level Dual Active Bridge DC-DC Converter with Dual Phase-Shift Control

    Liu Chunxi, Yang Yongzai, Wang Xin

    Issue: Volume 10, Issue 6, December 2022
    Pages: 513-521
    Received: Nov. 16, 2022
    Accepted: Dec. 22, 2022
    Published: Dec. 28, 2022
    DOI: 10.11648/j.sd.20221006.31
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    Abstract: The current stress of the hybrid three-level dual active bridge DC-DC converter in the battery formation system has a great influence on the system efficiency. In order to reduce the current stress, an optimal control strategy for minimum current stress based on dual phase shift control is proposed. Firstly, according to the relationship between th... Show More
  • Progress Risk Identification of Suspended High-Rise Buildings Renewal Based on Dynamic Bayesian Network

    Chen Zhaorong, Deng Xiaoji, Cai Zhili, Zeng Changluo, Zhang Guoshen

    Issue: Volume 10, Issue 6, December 2022
    Pages: 522-527
    Received: Nov. 21, 2022
    Accepted: Dec. 22, 2022
    Published: Dec. 28, 2022
    DOI: 10.11648/j.sd.20221006.32
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    Abstract: The unfinished building project has seriously affected the overall planning image of the city and occupied the city's very valuable land and social resources, its reasonable renewal of waste into treasure is particularly important. In order to quantitatively study the main risk sources that affect the construction schedule of the unfinished buildin... Show More
  • Several Schemes of Efficient Integration of Design and Construction of Modular Changsha Makeshift Hospital Based on EPC Management Thinking

    Chen Zhaorong, Liao Fei, Lv Jiping, Cai Zhili, Chen Wurong, Su Yunsheng, Ke Biaozhi

    Issue: Volume 10, Issue 6, December 2022
    Pages: 528-533
    Received: Nov. 21, 2022
    Accepted: Dec. 22, 2022
    Published: Dec. 28, 2022
    DOI: 10.11648/j.sd.20221006.33
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    Abstract: In recent years, the environment of the entire construction industry has undergone subversive changes due to social supply and demand, and the EPC general contract management mode has gradually emerged the top-level design of the industry. Furthermore, the outbreak of COVID-19 in our country at the end of 2019 has lasted for nearly three years, the... Show More
  • Several Innovative Schemes for the Construction of Quarantine Ward in Modular Perspective

    Lv Jiping, Chen Zhaorong, Li Bo, Chen Wurong, Xu Yong, Wu Congxiao, Chen Hongtao

    Issue: Volume 10, Issue 6, December 2022
    Pages: 534-541
    Received: Nov. 29, 2022
    Accepted: Dec. 26, 2022
    Published: Dec. 28, 2022
    DOI: 10.11648/j.sd.20221006.34
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    Abstract: The outbreak of the novel coronavirus pneumonia at the end of 2019 has posed a great challenge to the world's public health security. According to the statistics of covid-19 released by the WHO, the global epidemic has accumulated more than 500 million infections and more than 6.2 million deaths. Through the related construction and research of the... Show More
  • Integrated Technology and Engineering Case of Rapid Construction of Modular Prefabricated Building for Anti-epidemic Medicine

    Liao Fei, Chen Zhaorong, Chen Wurong, Li Bo, Zeng Changluo, Yin Ye

    Issue: Volume 10, Issue 6, December 2022
    Pages: 542-552
    Received: Nov. 29, 2022
    Accepted: Dec. 26, 2022
    Published: Dec. 28, 2022
    DOI: 10.11648/j.sd.20221006.35
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    Abstract: With the promotion of urbanization and the development of industrial construction, the construction industry in our country is in a period of rapid development. Modular prefabricated buildings can promote the development of construction industrialization including standardized design, factory production, on-site construction assembly, integrated de... Show More
  • Research on the Development of Modular Container Building

    Ke Biaozhi, Chen Zhaorong, Liao Fei, Xu Yong, Wu Congxiao, Li Bo, Yang Tao

    Issue: Volume 10, Issue 6, December 2022
    Pages: 553-561
    Received: Nov. 29, 2022
    Accepted: Dec. 26, 2022
    Published: Dec. 28, 2022
    DOI: 10.11648/j.sd.20221006.36
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    Abstract: The concept of modular container architecture can be traced back to the 1950s. Today, the development of modular prefabricated building is the trend of the times. In view of the popularization characteristics of the novel coronavirus pneumonia, which is faster, more hidden and more contagious, the medical administration of the National Health Commi... Show More
  • Formation of Simple to Highly Complex Molecular Structures by Combining with Biosynthesized Silver Nanoparticles from Parts of Grewia tiliaefolia Vahl

    P. Rama Mohan, N. Savithramma

    Issue: Volume 10, Issue 6, December 2022
    Pages: 562-575
    Received: May 27, 2022
    Accepted: Dec. 14, 2022
    Published: Dec. 29, 2022
    DOI: 10.11648/j.sd.20221006.37
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    Abstract: At present interdisciplinary sciences are playing a crucial role in research in which “Nanotechnology” is one which is now in the most advanced phase; especially in the field of biological sciences, it has been doing a good deal of wonders. As of now, Nanoparticles showing extraordinary results in all fields of science. The plant-mediated silver na... Show More