Science Discovery

Volume 5, Issue 6, November 2017

  • The Dynamics Analysis of Multiscale Eigenelement Method on Periodic Composite Materials

    Wu Mengmeng, Jia Ruiyu

    Issue: Volume 5, Issue 6, November 2017
    Pages: 404-409
    Received: Oct. 25, 2017
    Accepted:
    Published: Oct. 27, 2017
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    Abstract: As the composite materials and structures are widely used in aerospace, it is necessary to develop more precise and higher efficient methods to predict the mechanical properties and behaviors of the composites for application. The multiscale eigenelement method (MEM) can be implemented to analysize the periodic composite materials. This paper has r... Show More
  • Research on Pedestrian Navigation Algorithm Based on MEMS Inertial Devices

    Chen Zhaoyi, Du Xiaojing, Li Huaijian

    Issue: Volume 5, Issue 6, November 2017
    Pages: 410-415
    Received: Oct. 25, 2017
    Accepted:
    Published: Oct. 27, 2017
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    Abstract: Pedestrian navigation system (PNS) is also known as the walker navigation system, which is mainly used to track and posit real-time position of walker, to provide walk speed and position of walker, and also be applied to military, science, sport, rescue, the blind navigation, electronic product, etc. GPS signal is unreliable and difficult to provid... Show More
  • Implementation of 3D Graphics and Image Algorithm Using Matlab

    Wan-Bo Yu, Yu Huang

    Issue: Volume 5, Issue 6, November 2017
    Pages: 416-419
    Received: Oct. 25, 2017
    Accepted:
    Published: Oct. 28, 2017
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    Abstract: Computer graphics and image processing are hot topics in the academic and engineering fields. There are many algorithms for three-dimensional graphics rendering and image processing which using C language or JAVA language is difficult to achieve. Therefore, the use of MATLAB to achieve three-dimensional graphics rendering algorithms and image proce... Show More
  • Research on Inductive Laminated Stereoscopic Teaching Model

    Wan-Bo Yu

    Issue: Volume 5, Issue 6, November 2017
    Pages: 420-422
    Received: Oct. 25, 2017
    Accepted:
    Published: Oct. 28, 2017
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    Abstract: The study of education is a persistent and long-term task, as is the study of higher education. This paper discusses the teaching mode, research status, purpose, significance and implementation methods of inductive leadership. On this basis, in view of the current situation of higher education in China, it is suggested to strengthen the use of indu... Show More
  • The Application of Element Potential Diagram in Elemental Chemistry Experiment Teaching

    Hu Tianjiao, Wang Qinghua, Li Gongyi

    Issue: Volume 5, Issue 6, November 2017
    Pages: 423-425
    Received: Oct. 25, 2017
    Accepted:
    Published: Oct. 28, 2017
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    Abstract: In the elemental chemistry experiment, the elemental potential diagram is used to analyze and predict the chemical reaction and experimental phenomena. It helps the students to find the essence of chemical reaction and to solve the problem by using basic principles. Moreover, it also stimulates students' interest in learning elemental chemistry.
  • An Analysis of Informal Academic Exchange Based on the Emuch Net

    Bai Yu

    Issue: Volume 5, Issue 6, November 2017
    Pages: 426-433
    Received: Nov. 16, 2017
    Accepted:
    Published: Nov. 21, 2017
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    Abstract: The rapid development of information technology of today, informal academic exchanges are increasingly attracted people's attention, non-academic communication refers to the information producers and users directly between the exchange, do not need to rely on scientific literature to communicate the exchange. How to increase the exchange of student... Show More
  • On Primary Mathematics Teaching from the Perspective of Performance Technology

    Sang Shuangshuang

    Issue: Volume 5, Issue 6, November 2017
    Pages: 434-437
    Received: Nov. 16, 2017
    Accepted:
    Published: Nov. 21, 2017
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    Abstract: In the mathematics teaching of primary school in China, the teaching of teachers makes students only solve the problems in books, but not solve similar problems in real life. The students lack of life common sense and the knowledge of the application. They have no sensitivity to mathematical knowledge in real life and can not apply the knowledge in... Show More
  • The Literature Review of Text Data Mining

    Yanli Xu, Rong Zhao

    Issue: Volume 5, Issue 6, November 2017
    Pages: 438-443
    Received: Nov. 16, 2017
    Accepted:
    Published: Nov. 21, 2017
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    Abstract: At present, the study of structured data analysis, researchers at home and abroad mainly focus on the learners in the network teaching environment, with diversified interactive learning mode, text based nonstructured data is generated continuously. In recent years, through the mining of text data to evaluate the learner's ability and knowledge of p... Show More
  • Study on Building Service-Oriented Environment Management Model Under the Synergistic Demand of Environment Protection and Industrial Upgrading

    Shi Bi-tao

    Issue: Volume 5, Issue 6, November 2017
    Pages: 444-449
    Received: Nov. 16, 2017
    Accepted:
    Published: Nov. 21, 2017
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    Abstract: At first theoretically analyzes dialectical relation among management model transformation, improving environment protection effect and boosting industrial upgrading, then discusses the significance of building service-oriented environment management model from nationality, necessity and feasibility, points out that service-oriented environment man... Show More
  • Prediction and Influence Factors Analysis of Forest Fire Risk Degree——A Case Study of Daxing'anling Area

    Li Jing, Yu Qian, Cui Tiejun

    Issue: Volume 5, Issue 6, November 2017
    Pages: 450-456
    Received: Nov. 16, 2017
    Accepted:
    Published: Nov. 21, 2017
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    Abstract: Analyze the risk of forest fire and its influencing factors is of great significance, which can provide scientific basis for forecasting and controlling forest fires, so as to reduce economic losses and casualties. Based on vegetation index data and meteorological data from May 13 to 22, 2017, the forest risk rating was calculated using the evaluat... Show More
  • Research on Chemical Properties of Pyrolysis Products of Gentamicin Residue

    Jia Meng-meng, Li Yi-fei, Feng Li-hui, Wang Zhi-qiang, Ma Si-Lu, Yang Jian, Hu Jia-shuo

    Issue: Volume 5, Issue 6, November 2017
    Pages: 457-462
    Received: Nov. 16, 2017
    Accepted:
    Published: Nov. 21, 2017
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    Abstract: This paper selected gentamicin ferment residue in the tube furnace reactor for rapid pyrolysis experiments, the ferment residue and pyrolysis products (coke, tar) were analyzed by XPS, FTIR and GC-MS. FTIR analysis showed that the ferment residue and pyrolysis products mainly contain saturated alkanes and proteins, sugars and lipids. XPS results sh... Show More
  • Improvement of Sol-gel Method and Influence of Calcination Conditions on Properties of MnOx-CeOx/WO3/TiO2-ZrO2 Catalyst

    Huixian Pan, Li Wang, Shuanling He, Jie Wang

    Issue: Volume 5, Issue 6, November 2017
    Pages: 463-468
    Received: Nov. 16, 2017
    Accepted:
    Published: Nov. 21, 2017
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    Abstract: Modified sol-gel method was adopted to prepare TiO2-ZrO2 carrier of molar ratio 4:1, and the catalysts were prepared by impregnating with WO3 and MnOx-CeOx sequentially. The carriers and catalysts were characterized by X ray diffraction (XRD) and electron scanning electron microscopy (SEM), and their NH3-SCR denitrification activity and sulfur resi... Show More
  • Preparation and Characterization of Fe-N Co-doped TiO2 and Its Effect on Photocatalytic Oxidation of 2-MIB in Water

    Liu Dan, Yuan Rong-fang, Zhou Bei-hai

    Issue: Volume 5, Issue 6, November 2017
    Pages: 469-475
    Received: Nov. 16, 2017
    Accepted:
    Published: Nov. 21, 2017
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    Abstract: The composite nanoparticles of un-doped, Fe-doped TiO2, Fe-N co-doped TiO2 were prepared by sol-gel method, and characterized by X-ray diffractomer, scanning electron microscope, and UV-Vis diffuse spectrometer. 2-methylisoborneol (2-MIB) was used as the model compound to investigate the photocatalytic activities of TiO2, and the effect of water qu... Show More
  • Discussion on Teaching of Element Chemistry in Inorganic Chemistry

    Hu Tianjiao, Li Gongyi, Wang Qinghua

    Issue: Volume 5, Issue 6, November 2017
    Pages: 476-478
    Received: Dec. 05, 2017
    Accepted:
    Published: Dec. 06, 2017
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    Abstract: Base on the characteristics and teaching status of element chemistry, this paper discusses the relationship between teaching strategy and teaching results. In order to motivate the students' interest, cultivate students' creative thinking and improve the quality of teaching in element chemistry curriculum, we combined the teaching idea with the the... Show More
  • Study on the Bactericidal Effect of Ortho-Phthalaldehyde Combination Disinfectant

    Yi Jialin, Niu Bing, Deng Zhirui, Chen Qin

    Issue: Volume 5, Issue 6, November 2017
    Pages: 479-485
    Received: Dec. 27, 2017
    Accepted:
    Published: Dec. 28, 2017
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    Abstract: This study used combination of ortho-phthalaldehyde(OPA) and quaternary ammonium surfactants (QAS) with different concentration to kill Escherichia coli, Staphylococcus aureus, Candida albicans and Aspergillus niger conidia. The concentration of the combination disinfectant to kill Escherichia coli, Staphylococcus aureus and Candida albicans was 75... Show More
  • Multi-Atlas Segmentation of Mouse Brain MRM Based on Optimized Advanced Normalization Tools

    Lin Lan, Wang Jingxuan, Fu Zhenrong, Wu Xuetao, Gu Kenan, Wu Shuicai

    Issue: Volume 5, Issue 6, November 2017
    Pages: 486-491
    Received: Dec. 27, 2017
    Accepted:
    Published: Dec. 28, 2017
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    Abstract: In recent years, with the deepening of brain science research, mouse magnetic resonance microscopy (MRM) for neuroimaging research has gradually become a main research interest. Brain segmentation is an essential techniques for investigating the brain morphometry, while the traditional approach to segment a given brain involves the manual delineati... Show More
  • Method and Effect Evaluation of Implementing Health Management in Physical Examination Centers of 3A Hospitals

    Xu Zhen, Yan Bin

    Issue: Volume 5, Issue 6, November 2017
    Pages: 492-495
    Received: Dec. 27, 2017
    Accepted:
    Published: Dec. 28, 2017
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    Abstract: Objective To understand the changes of various routine indices for the people who received health physical examination after the implementation of health management, discuss the method of implementing health management in 3A hospitals, provide a reference for better management in 3A hospitals in the future. Methods A total of 1326 people (875 males... Show More
  • Method for Improving Rolling Circle Amplification Sensitivity and Specificity

    Yun Wei Zhang, Dan Hou, Wei Dong Xiao, Jenni Firrman, Lin Shu Liu, Yong Diao, Zhi Qing Qi

    Issue: Volume 5, Issue 6, November 2017
    Pages: 496-501
    Received: Dec. 27, 2017
    Accepted:
    Published: Dec. 28, 2017
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    Abstract: Rolling circle amplification (RCA) of genomic or plasmid DNA has found wide used in technique academic and biotechnology reseach. In this study, we have successfully found what caused the nonspecific product in the reaction, thus designing an improved RCA which overcomes false priming at sites where primer dimers are formed. The results demonstrate... Show More