Science Discovery

Volume 6, Issue 2, April 2018

  • Three Layer Macro Network Constraint Based Precision Planning of Middle Voltage Distribution Networks

    Wang Jingyu, Wang Zhuding, Zhang Yongbin, Zhai Jinqian, Tan Xiao

    Issue: Volume 6, Issue 2, April 2018
    Pages: 72-84
    Received: Jun. 20, 2018
    Accepted:
    Published: Jun. 22, 2018
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    Abstract: Refined planning has become the key to improve the efficiency of power grid enterprises under the background of new electricity reform.Thus, a complete set of ideas and methods are proposed for the precise planning of medium voltage distribution networks based on three layer macro networks, in this paper. The three layer macro networks consist of c... Show More
  • Experimental Research on Vibration and Noise Reduction of Vehicular Vacuum Circuit Breaker's Equipment Box

    Song Leiming, Zhang Jiayu, Chen Hao

    Issue: Volume 6, Issue 2, April 2018
    Pages: 85-92
    Received: Jun. 20, 2018
    Accepted:
    Published: Jun. 22, 2018
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    Abstract: Through the test method of bench test, the vibration and noise condition of vehicle vacuum circuit breaker equipment box is analyzed under several measures for vibration and noise reduction, which provides important basis for vibration and noise reduction and low noise design of this device. The experimental results show that the damping effect is ... Show More
  • Three Dimensional Fluid Simulation and Experimental Verification of Hydrostatic Guideway for Large Rotary Worktable

    Xue Jing Yu, Zhao Ming, Song Yang, Wang Shao Li

    Issue: Volume 6, Issue 2, April 2018
    Pages: 93-101
    Received: Jun. 20, 2018
    Accepted:
    Published: Jun. 22, 2018
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    Abstract: Relying on the major national science and technology special project, this study used the table 12 fan-shaped oil cavity hydrostatic guideway of CKS5235 CNC vertical lathe worktable, applied FLUENT processing software GAMBIT modeling and mesh generation the flow static pressure guide film, setting boundary conditions. Used simulation software FLUEN... Show More
  • Research of Estrus Detection Models in Dairy Cows by Activity

    Daoerji Fan, Huijuan Wu

    Issue: Volume 6, Issue 2, April 2018
    Pages: 102-109
    Received: Jun. 20, 2018
    Accepted:
    Published: Jun. 22, 2018
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    Abstract: The detection of estrus in large-scale ranch is an extremely labor-intensive task. Accurate and efficient detection can shorten the tires spacing of cow and increase economic income of ranch.The change in activity is one of the most important external features of dairy cows' estrus.In this paper, the activity of cows was collected remotely using ac... Show More
  • Research on the Improvement of Aerospace Software Test Model Based on V Model

    Hu Xiaoxi, Niu Jing

    Issue: Volume 6, Issue 2, April 2018
    Pages: 110-115
    Received: Jun. 20, 2018
    Accepted:
    Published: Jun. 22, 2018
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    Abstract: The software industry has endured a long and tortuous development process from the beginning to the present, from small scale, low complexity of software development to the large scale of application of software products, software testing plays an important role, the early software debugging has been evolved into software testing now. With the rapi... Show More
  • A Method for Generating Rectangle Area Light Source Using Water Surface Lighting

    Liu Feipeng

    Issue: Volume 6, Issue 2, April 2018
    Pages: 116-123
    Received: Jun. 20, 2018
    Accepted:
    Published: Jun. 22, 2018
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    Abstract: Light reconstruction refers to the calculation of light source information based on the actual lighting. In order to ensure the consistency of light illumination, the method based on light source modeling has been widely applied in real scenes, but the research on generating virtual light sources using real lighting results under virtual scenes is ... Show More
  • A Tool for the Interpretation of Sequence Variants in Cancer Based on the Standard and Guidelines

    Yue Hu, Yunfei Bai

    Issue: Volume 6, Issue 2, April 2018
    Pages: 124-129
    Received: Jun. 20, 2018
    Accepted:
    Published: Jun. 22, 2018
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    Abstract: With the application and development of next generation sequencing technology, tumor genome sequencing has become widely available in clinical and research setting. Many groups have published germline variant interpretation and classification systems or tools for use in clinical laboratory reporting. However, interpretation and classification for s... Show More
  • Research on Township Medical Service Institutions Spatial Coping Capacity of Extreme Climate Disasters in Severe Cold Regions

    Bai Xiaopeng, Yu Zhenfan

    Issue: Volume 6, Issue 2, April 2018
    Pages: 130-136
    Received: Jun. 20, 2018
    Accepted:
    Published: Jun. 22, 2018
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    Abstract: Extreme Climate Disasters represented by extreme cold weather,snowstorms and gales are the most important factors which restrict the development of Township Medical Service Institutions and threaten health security of townspeople in severe cold regions. Through deep investigation and research on Medical Service Institutions of Villages facing Extre... Show More