Science Discovery

Volume 7, Issue 3, June 2019

  • Development of Calculation Software for Traction Power Supply Capacity Based on Average Traffic Map

    Zhongyan Qiao, Jiachang Hu, Jinghui Yu, Xi Zhang, Shuo Ma

    Issue: Volume 7, Issue 3, June 2019
    Pages: 134-139
    Received: May 02, 2019
    Accepted:
    Published: Jun. 15, 2019
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    Abstract: Accurately constructing the calculation model of the railway traction power supply load is the technical basis for the scientific selection of the traction transformer. In order to cope with the confusion caused by various traction transformer wiring forms and improve the efficiency of traction power supply calculation, based on the idea of average... Show More
  • A Method for Improving Test Coverage by Improving Test Cases

    Hu Xiaoxi, Shen Xiaohe, Niu Jing

    Issue: Volume 7, Issue 3, June 2019
    Pages: 140-146
    Received: Apr. 20, 2019
    Accepted:
    Published: Jun. 15, 2019
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    Abstract: With the development of aerospace industry, the complexity of aerospace software is increasing, and the statue of software testing is becoming more and more important. The coverage test is an important method of testing the code logic defects. In order to meet the particularity of embedded aerospace software, this paper proposes a method to improve... Show More
  • Label-Free SERS Detection of Bovine Serum Albumin Protein Based on Au@Ag Core/Shell Nanobricks

    Huang Liu, Yi Chen

    Issue: Volume 7, Issue 3, June 2019
    Pages: 147-151
    Received: Apr. 19, 2019
    Accepted:
    Published: Jun. 15, 2019
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    Abstract: In this study, a simple yet effective protein detection method was established by using bimetallic Au@Ag core-shell nanobrick as SERS active building blocks. The Au@Ag core-shell nanobrick is synthesized by well-defined ‘two-step’ growing method, enabling uniform and controllable silver shell growth on the surface of the gold nanorods induced by su... Show More
  • Optimal Thickness Design of Thermal Protective Clothing

    Zhuojun Yao, Yuefeng Li, Zhihong Liu

    Issue: Volume 7, Issue 3, June 2019
    Pages: 152-160
    Received: Apr. 08, 2019
    Accepted:
    Published: Jun. 15, 2019
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    Abstract: Under the premise of ensuring the protective effect, it is of great significance to design the optimal protective suit. In this paper, under the premise of analyzing the basic temperature distribution, the optimal thickness of the protective clothing is optimized. First, a temperature distribution model based on the heat transfer equation. The part... Show More
  • The Equivalent of the Goldbach Conjecture and "Even Number Is the Difference Between Two Prime Numbers"

    Mi Zhou

    Issue: Volume 7, Issue 3, June 2019
    Pages: 161-164
    Received: Apr. 09, 2019
    Accepted:
    Published: Jun. 15, 2019
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    Abstract: Goldbach conjecture can be described as "an even number is the sum of two prime Numbers,", this description is well known, the Canadian guy's book «the unresolved problems in number theory», put forward a conjecture which is contrary to goldbach: that "evens are the different between two prime Numbers", the difficulty of the conjecture is not less... Show More
  • The Effect of BP Measurement Velocity on Noninvasive BP Measurement Value Was Studied by Establishing the Blood Pressure Measurement Running Model

    Du Xuelian, Wang Bingtao, Wang Baiyan

    Issue: Volume 7, Issue 3, June 2019
    Pages: 165-171
    Received: Apr. 11, 2019
    Accepted:
    Published: Jun. 15, 2019
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    Abstract: Objective Through the establishment of blood pressure measurement running model, the relationship between the blood pressure measurement velocity and the noninvasive blood pressure measurement value was calculated, then the accuracy of noninvasive blood pressure measurement was evaluated. Methods First, the basis of establishing the blood pressure ... Show More
  • Data Updating Method of Earthquake Loss Estimation Based on Open Information

    Shizhou Yu

    Issue: Volume 7, Issue 3, June 2019
    Pages: 172-177
    Received: Apr. 21, 2019
    Accepted:
    Published: Jun. 15, 2019
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    Abstract: Accurate basic data is the basis of earthquake loss estimation. Due to the long construction period and the difficulty of sharing & updating of data base, the work of earthquake loss estimation will be affected seriously. To address this problem,in this paper, the open Information which can be used for earthquake loss assessment has been investigat... Show More
  • Low-frequency Topographic Amplification Effect of Lushan Earthquake Based on Three-dimensional Numerical Simulation

    Feng Ligang, Liu Qifang

    Issue: Volume 7, Issue 3, June 2019
    Pages: 178-181
    Received: Apr. 22, 2019
    Accepted:
    Published: Jun. 15, 2019
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    Abstract: The study of the influence of terrain on ground motion is quantified as the amplification effect of terrain on ground motion. In this paper, we use the spectral element method to simulate the three-dimensional real terrain model, and select the aftershocks of the station ground motion observation records in the Lushan area as the source, and analyz... Show More
  • The Reference of Australian Water Sensitive Urban Design Practice to Sponge Cities in China

    Shu Yang, Chen Yin, Hu Jiayu

    Issue: Volume 7, Issue 3, June 2019
    Pages: 182-187
    Received: Apr. 23, 2019
    Accepted:
    Published: Jun. 15, 2019
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    Abstract: Water Sensitive Urban Design(WSUD)is a spatial design method which integrates urban design and urban hydrological management. Under the current background of sponge city construction, it promotes the collection, treatment and recycling of rainwater by optimizing the urban material space form, reducing the impact of urban development on natural wate... Show More