Science Discovery

Volume 7, Issue 5, October 2019

  • Research Progress of Transportation Under Sharing Mode

    Yiheng Song, Xinyu Dong, Xiaowei Qin, Jiashun Chen

    Issue: Volume 7, Issue 5, October 2019
    Pages: 257-265
    Received: Aug. 04, 2019
    Accepted:
    Published: Sep. 27, 2019
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    Abstract: In order to more effectively and accurately study the establishment of Shared transportation system, this paper summarizes the research progress of domestic and foreign scholars' Shared transportation system.On this basis, the development direction of its description and technology is prospected.The paper points out that: 1) further development of ... Show More
  • Chinese Children's Emotional Response Research Based on the Visual Stimulation of IAPS

    Zhiyong Wang, Zhenyu Shi, Xirui Wang, Jianqu Chen, Honghai Liu, Xiaodan Yu

    Issue: Volume 7, Issue 5, October 2019
    Pages: 266-271
    Received: Aug. 08, 2019
    Accepted:
    Published: Sep. 27, 2019
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    Abstract: It is a hot topic in related research that studying and evaluating of the emotion mental state and the emotional resonance through the emotional pictures which are used as a kind of visual stimulus. This paper mainly studies the induction of emotional valence and arousal of Chinese children based on the International Emotional Atlas System (IAPS) i... Show More
  • Faith in the Water God General Yang Si and the Construction of Its Sacred Field at Taoyuan

    Dandan Zheng, Bing Zhao

    Issue: Volume 7, Issue 5, October 2019
    Pages: 272-277
    Received: Jul. 08, 2019
    Accepted:
    Published: Sep. 27, 2019
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    Abstract: Sacred land experience is exclusive to the sacred space, with its unique geographical location, the spiritual beliefs of ethnic groups as the carrier, become a place of pilgrimage for people. In view of the increasingly serious problems such as floods, soil erosion and water pollution, we should respect rivers to advocate the harmonious coexistence... Show More
  • Study on Vibration of Offshore Oil Field WHPA Platform

    Gao Yong

    Issue: Volume 7, Issue 5, October 2019
    Pages: 278-285
    Received: Aug. 06, 2019
    Accepted:
    Published: Oct. 23, 2019
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    Abstract: LD32-2 Oilfield is a margin Oilfield. In order to reduce structural steel quantity and cost. The out-transportation of crude oil adopts the scheme that uses an oil tanker berthing an offshore production and storage platform. This paper introduces the general design of the berthing scheme. Tanker mooring force, tanker impact force and tanker berthin... Show More
  • Development Characteristics and Genetic Analysis of Sand-bodies in Taiyuan Formation of Eastern Ordos Basin

    Zhao Xiaohui, Liu Yan, Wang Yanqing, Jia Yani, Liu Wenxiang, Zhang Hui

    Issue: Volume 7, Issue 5, October 2019
    Pages: 286-290
    Received: Aug. 22, 2019
    Accepted:
    Published: Oct. 23, 2019
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    Abstract: On the basis of fully understanding the regional geological background, the changes of lithology, bedding type and sedimentary facies sequence are analyzed according to core, logging and logging data。The three sets of sandstones and their internal structural characteristics of Taiyuan Formation in Ordos Basin are defined. Qiaotou sandstone body is ... Show More
  • Research on Traditional Village Protection Based on Value Evaluation

    Chen Lipeng, Chao Yaoming

    Issue: Volume 7, Issue 5, October 2019
    Pages: 291-298
    Received: Aug. 17, 2019
    Accepted:
    Published: Oct. 23, 2019
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    Abstract: The traditional village inherits a long history and culture, is an important carrier of harmonious symbiosis between the countryside and the natural environment, and is the essence of rural civilization and the crystallization of culture and art. Traditional villages play a very important role in displaying local culture, protecting outstanding his... Show More
  • Evaluation of Residential Environment Adaptability for the Elderly in the Shantytown Reconstruction

    Yuliang Yan, Dake Wei

    Issue: Volume 7, Issue 5, October 2019
    Pages: 299-305
    Received: Sep. 10, 2019
    Accepted:
    Published: Oct. 23, 2019
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    Abstract: Objectives: The aim of this study is to assess the elderly-oriented physical environment of shantytown reconstruction.Background: Over the past decade, it has vigorously promoted the shantytown reconstruction projects in China.As it shows that the proportion of the "empty nest" elderly with low income in the relocated residents is relatively much h... Show More
  • The Design and Research of Subway Wayfinding System Under the Impact of New Media Art

    Xiaojuan Hui, Yixiang Yin

    Issue: Volume 7, Issue 5, October 2019
    Pages: 306-311
    Received: Sep. 24, 2019
    Accepted:
    Published: Nov. 08, 2019
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    Abstract: In today's rapid construction and development of public rail transit, the design requirements for subway track space are gradually improved with the application of guidance design. As an important link in the attributes of subway public transport, guidance design plays an important role in guiding people flow, quickly entering and exiting, and prov... Show More
  • Research Status of 1-D Nonlinear Soil Layers Seismic Response in Time Domain

    Liu Bingbing, Qiao Yunlong

    Issue: Volume 7, Issue 5, October 2019
    Pages: 312-317
    Received: Sep. 02, 2019
    Accepted:
    Published: Nov. 08, 2019
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    Abstract: The soil dynamic constitutive model has always been one of the frontier topics in soil dynamics. In the past few decades, the constitutive model of soil has been rapidly developed, and with computer technology and one-dimensional soil earthquakes. In the development of reaction analysis methods, many earthquake response models and calculation proce... Show More
  • The Influence of Malassez Epithelial Residue in Inflammatory Periodontal Tissues on the Number of Periodontal Stem Cells and Their Differentiation Ability

    Hua Fu, Xiaodong Hu, Yanfeng Xia

    Issue: Volume 7, Issue 5, October 2019
    Pages: 318-322
    Received: Sep. 10, 2019
    Accepted:
    Published: Nov. 13, 2019
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    Abstract: To investigate the effect of Malassez epithelial surplus in inflammatory periodontal tissues on the number and differentiation ability of periodontal stem cells. 30 patients with periodontitis admitted to the hospital from November 2014 to April 2017 were selected as the observation group. A total of 30 healthy oral examination patients were select... Show More
  • The Continuous Strength Method of Cold-formed Stainless Steel Equal-leg Angle Section Stubs

    Jing Yang, Zhoupeng Cai, Hongdong Ran

    Issue: Volume 7, Issue 5, October 2019
    Pages: 323-329
    Received: Aug. 20, 2019
    Accepted:
    Published: Nov. 18, 2019
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    Abstract: Structural stainless steel requires appropriate recognition of its beneficial properties such as material nonlinearity and significant strain hardening. The recently proposed Continuous Strength Method (CSM) exploits those benefits through a strain based approach for both stocky and slender cross-sections, and is shown to yield a higher level of ac... Show More
  • Effect of Complexation of Humic Acid with Iron Minerals on Microbial Degradation of Sulfamethoxazole

    Chen Xueyan, Jiang Jie

    Issue: Volume 7, Issue 5, October 2019
    Pages: 330-336
    Received: Oct. 28, 2019
    Accepted:
    Published: Dec. 03, 2019
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    Abstract: Microbial Shewanella oneidensis MR-1 can degrade sulfamethoxazole (SMX) and act as a microorganism with strong electron donating properties, which can accelerate the degradation of SMX when it cooperates with electronic shuttle and disproportionated iron. By adding different TOC concentrations, different molecular weight humic acids, and magnetite ... Show More
  • Research on a Device about Zero Line Break

    Zheng Fuchun, Chang Jianing, Zong Fei, Zhang Hao, Li Shengjun, Zhou Debo, Tao Lei, Tang Shijun, Zhou Liangjun, Zhou Zhiwei, Chen Shili, Tan Xianghua, Liu Yi

    Issue: Volume 7, Issue 5, October 2019
    Pages: 337-340
    Received: Nov. 01, 2019
    Accepted:
    Published: Dec. 03, 2019
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    Abstract: In the three-phase four wires system, the neutral line is uncharged under normal circumstances, because any point of the neutral line and the earth are of the same potential. However, when the zero line is disconnected, the neutral point on the load side will generate displacement voltage. At this time, if people touch the broken zero line, the cur... Show More
  • Design of PWM Amplifier Drive Module in Radar Servo System

    Ying Han, Xu Zhang, Weifeng Quan, Nan Li

    Issue: Volume 7, Issue 5, October 2019
    Pages: 341-346
    Received: Nov. 07, 2019
    Accepted:
    Published: Dec. 03, 2019
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    Abstract: In this paper, a PWM (Pulse width modulation) amplifier drive module in radar servo system has been designed. It’s the core of the drive and made up of rectifier filtering circuit and IPM. The rectifier filtering circuit produces the DC bus voltage by rectifying and filtering the single 220V50Hz AC current. The IPM receives the control signal from ... Show More
  • Design Strategies of Elderly Facilities Based on Existing Hotel Buildings Renovation

    Chen Yang, Sun Peiyang, Li Xiangyun

    Issue: Volume 7, Issue 5, October 2019
    Pages: 347-353
    Received: Nov. 04, 2019
    Accepted:
    Published: Dec. 03, 2019
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    Abstract: With the degree of population ageing rising continuously and the number of disabled and mentally disabled elderly rapidly increasing, the demand for care facilities for the elderly is growing. On the other hand, due to the Chinese urban expansion in the previous stage, a large number of existing buildings are faced with the problems of transformati... Show More
  • Research Progress of Precast Concrete Sandwich Panels

    Cong Zhao, Miao Jikui

    Issue: Volume 7, Issue 5, October 2019
    Pages: 354-358
    Received: Nov. 04, 2019
    Accepted:
    Published: Dec. 03, 2019
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    Abstract: The wallboard is an important support and guarantee for the development of prefabricated buildings, and it is also the main development direction of green wall materials in China during the 13th five-year plan period. Precast concrete sandwich panels is composed of inner and outer leaf concrete board, sandwich insulation layer and connecting parts,... Show More
  • Research on Hybrid Simulation Test Method for Cooperative Deformation of Membrane and Frame Composite Structures

    Yu Yangchun, Xu Xiaochen, Xu Zhihong

    Issue: Volume 7, Issue 5, October 2019
    Pages: 359-364
    Received: Oct. 26, 2019
    Accepted:
    Published: Dec. 03, 2019
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    Abstract: In this paper, based on the joint laboratory of Mechanics Test Center of Nanjing University of Science and Technology and Walter+Bai, the PTFE coated fabric film material is taken as the test object, and the A/D signal exchange between the numerical substructure and the experimental substructure is realized by PMI serial port program, and the hybri... Show More
  • A Rapid Fatigue Analysis Method of Aluminum Honeycomb Structure with Defects Based on Static Test and Numerical Simulation

    Zhao Qian, Ge Meng, Zhang Shunjia

    Issue: Volume 7, Issue 5, October 2019
    Pages: 365-372
    Received: Nov. 09, 2019
    Accepted:
    Published: Dec. 03, 2019
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    Abstract: At present, most of the substrates of the multifunctional components are honeycomb sandwich structures. Therefore, the study on the fatigue characteristics of honeycomb sandwich structures with defects is helpful to accelerate the engineering application process of the multifunctional structures.In order to study the fatigue characteristics of mult... Show More
  • Research on Ontology-based Catering Recommendation Knowledge Model

    Tang Dongping, Zhu Xiangyu, Zhu Weiquan

    Issue: Volume 7, Issue 5, October 2019
    Pages: 373-378
    Received: Oct. 28, 2019
    Accepted:
    Published: Dec. 03, 2019
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    Abstract: At present, the healthy eating information available on the Internet is growing rapidly, but it is very time-consuming for users to understand healthy eating through Internet data. This article starts from the relevant theories of TCM constitution and diet, and uses the methods and tools of ontology modeling to carry out food recommendation knowled... Show More