Science Discovery

Volume 9, Issue 2, April 2021

  • Monitoring and Analysis of Drug Resistance of Yersinia in Fresh Meat

    Liu Guihua, Zhang Weiyu, Huang Xin, Gong Yunwei

    Issue: Volume 9, Issue 2, April 2021
    Pages: 32-36
    Received: Mar. 10, 2021
    Accepted: Mar. 19, 2021
    Published: Mar. 30, 2021
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    Abstract: Objective To monitor the drug resistance status of yersinia isolates from fresh meat, grasp the drug resistance spectrum and trend of Yersinia isolates in Our province, and provide important reference data for guiding the rational application of antibiotics in human clinical practice and controlling the spread of drug resistant strains. Methods A t... Show More
  • Safety Assessment of Rigid Frame Cantilever Construction Based on Matter-Element and Extension

    Zhu Qinghua, Tian Zhongchu

    Issue: Volume 9, Issue 2, April 2021
    Pages: 37-42
    Received: Mar. 08, 2021
    Accepted:
    Published: Mar. 30, 2021
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    Abstract: In order to effectively evaluate the safety status of the cantilever construction of a large-span rigid frame bridge, this paper takes a four-span rigid frame bridge as the engineering background, selects the failure probability of the cantilever construction, the natural environment, the cantilever construction operation, and the management level ... Show More
  • Discussion on the Installation of Safety Action Failure Warning System in the Power Supply System of Beijing Winter Olympic Games

    Guo Chunping

    Issue: Volume 9, Issue 2, April 2021
    Pages: 43-46
    Received: Mar. 10, 2021
    Accepted:
    Published: Apr. 16, 2021
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    Abstract: The 2022 Beijing Winter Olympic Games is the first Winter Olympic Games that China has applied to host. It not only symbolizes the strength of China's sports cause, but also shows the strength of China's national strength. In order to ensure a safe and reliable power supply for the Beijing Winter Olympics, this paper analyzes the possible shortcomi... Show More
  • Performance Analysis of Non-uniform Sparse Segmentation Integral Method Based on Gauss Integral in EM Forward of Electrical Antenna Under Stratified Ocean

    Zongyang Shi, Yiyu Zhao, Xiaodong Qu, Lichao Ma

    Issue: Volume 9, Issue 2, April 2021
    Pages: 47-57
    Received: Feb. 18, 2021
    Accepted:
    Published: Apr. 26, 2021
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    Abstract: In order to solve the problem that it is difficult to take into account the computational efficiency and accuracy of electromagnetic field froward modeling of electrical antenna under the stratified ocean, evaluate the performance of two non-uniform sparse segmentation integral calculation methods based on Gauss integrals and improve the efficiency... Show More
  • Simulation and Experiment of Underwater Target Active Electromagnetic Detection Based on SLF/ELF artificial Source

    Zongyang Shi, Yiyu Zhao, Lichao Ma, Xueming Peng, Yike Xu, Shurong Guo, Meng Wang, Yuhong Wang

    Issue: Volume 9, Issue 2, April 2021
    Pages: 58-67
    Received: Mar. 03, 2021
    Accepted:
    Published: Apr. 26, 2021
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    Abstract: In view of the detection performance constraints brought by the further application of demagnation and noise reduction technology to traditional sonar and magnetic anomaly detection technology, in order to explore the possibility and detection mode of active electromagnetic (EM) detection technology applied to underwater large target detection and ... Show More
  • Design and Implementation of MES for Discrete Manufacturing Workshop of an Aerospace Enterprise

    Zhang Guangshen, Yu Changyong, Wang Yan

    Issue: Volume 9, Issue 2, April 2021
    Pages: 68-73
    Received: Mar. 17, 2021
    Accepted:
    Published: Apr. 26, 2021
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    Abstract: MES belongs to the production execution system of manufacturing enterprises. When applied to the production process, MES can effectively promote the construction of enterprise information and improve the market competitiveness of enterprises. This paper takes the discrete manufacturing workshop of an aerospace company as the research object, aiming... Show More
  • The Research of MES Material Management Base on BOM

    Fan Guoliang, Zhang Guangshen, Xu Qilin

    Issue: Volume 9, Issue 2, April 2021
    Pages: 74-78
    Received: Mar. 17, 2021
    Accepted:
    Published: Apr. 26, 2021
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    Abstract: MES is an information system for workshop between the planning system and operation control system. It is the basic technical means to realize the automation and agility of production management. The functions of MES include resource allocation, process management, quality control, material management, etc. MES can achieve the function of informati... Show More
  • Research on Production Process Parameter Management Based on MES System

    Zheng Chao, Wang Yan, Zhang Guangshen

    Issue: Volume 9, Issue 2, April 2021
    Pages: 79-84
    Received: Mar. 17, 2021
    Accepted:
    Published: Apr. 26, 2021
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    Abstract: It is very important to realize the information management of product parameters in the production workshop, which can timely, accurately, clearly and clearly display the real-time parameter data in the production process, and ensure the efficient cooperation of various departments, so as to improve the processing efficiency and product processing ... Show More
  • Application Design of Quality Management of Assembly Workshop Process

    Wang Yan, Zhang Jianmin, Zheng Chao

    Issue: Volume 9, Issue 2, April 2021
    Pages: 85-90
    Received: Mar. 17, 2021
    Accepted:
    Published: Apr. 26, 2021
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    Abstract: China's manufacturing industry is developing rapidly. Quality management has become an important link in industrial production and operation activities. The level of workshop quality management has a profound impact on the improvement of production efficiency. The use of information technology to design the quality management application system of ... Show More