Scientific Research and Reviews


Research and Application of Personalized Recommendation in E-Commerce System

Research Article of Scientific Research and Reviews Research and Application of Personalized Recommendation in E-Commerce System Qiuying Han School of Computer Science & Technology, Zhoukou Normal University, Zhoukou 466001, China. With the rapid development of the Internet, personalized recommendation has become an indispensable part of e-commerce system. How to solve the miscellaneous information in e-commerce system through personalized recommendation has become a research hotspot. This paper analyses the development background and significance of personalized recommendation, compares and analyses the relevant algorithms of personalized recommendation through the research of e-commerce system and personalized recommendation, and deeply studies the application of personalized recommendation technology in e-commerce system. The research of personalized recommendation system will contribute to the further development of e-commerce system and make Internet life closer to reality. Keywords: E-Commerce; Personalized Recommendation; Personalized Recommendation Algorithm ...

Comparative study on removal of divalent manganese ions by nanometer TiO2 with different morphology

Research Article of Scientific Research and Reviews Comparative study on removal of divalent manganese ions by nanometer TiO2 with different morphology Wenhao Wei, Guangming Liu, Jiakun Wang College of Ocean Science and Engineering, Shanghai Maritime University, Shanghai 201306, China. In order to solve the problem of excessive Mn(II) content in water in some areas of China, TiO2 nanotubes and TiO2 powder are used to remove Mn(II). The experimental results show that both TiO2 nanotubes and TiO2 powder have certain manganese removal effect, and the effect of powder is better. When the pH was 5.6 and the 20W UV lamp was irradiated for 40 min, the removal rate of the powder was 64.3 %, and the removal rate of the nanotubes anodized for 1h was 35.3 %, and the removal rate of the nanotubes anodized for 30 min was 23.9 %. When the pH is adjusted to 7-8, the removal rate of the nanotubes is significantly improved. When the pH was 8, 20W UV lamp was irradiated for 40 min, the removal rate of nanotubes anodized for 1h was 60.4%. Keywords: Divalent manganese ion; Photocatalytic; Nano titanium dioxide; Remove ...

The schedule of World Cup and its impact on the team

Research Article of Scientific Research and Reviews The schedule of World Cup and its impact on the team Yue Luo1*, Zhenke Xin2, XiaoFeng Li3, JinTao Wang3 1College of Hydraulic & Environmental Engineering, China Three Gorges University, Yichang, 443002, China. 2Institute of Water Resources and Hydro-electric Engineering, Xi’an University of Technology, Xi’an, 710048, China. 3College of Civil Engineering & Architecture, China Three Gorges University, Yichang, 443002, China. This paper discusses the organization of the World Cup competition, in which through the establishment of a number of scheduling model, the use of analytic hierarchy process and stochastic simulation and other methods to solve this problem and obtain a more reasonable arrangement of the competition. For the arrangement of the Order of the game, first of all, the existing competition is studied. On the premise of the increase in the number of teams and the previous arrangement of the group points, it is considered from the appropriateness of the field, whether the schedule is wonderful, whether the arrangement is simple and whether the ranking is reasonable. 3 new competition competitions are proposed for the improvement of the original competition. Then, the analytic hierarchy process is used to compare and analyze the 3 new competition methods, and the optimal competition method is selected. Finally, under the previously established game, FIFA’s integral algorithm formula is used to analyze and calculate the impact of the results produced under the competition on FIFA rankings. In the application of formula calculation, the stochastic factor is introduced, and the results are simulated by computer, which can get the approximate upward trend of the team in different ranking intervals. Keywords: World Cup schedule; Analytic hierarchy process; Computer simulation ...

Research progress of EDI in water treatment and Membrane fouling

Review Article of Scientific Research and Reviews Research progress of EDI in water treatment and Membrane fouling Ju Jiaqi, Wang Bo, Hu Chao, Wei Fuqiang, Chen Heying, Wang Ying College of Ocean Science and Engineering,Shanghai Maritime University,Shanghai 201306, China. In Electrodeionization is used in various water treatments due to its low energy consumption, high efficiency and cleanliness. The application of EDI in various water treatments, including heavy metal wastewater, ammonia nitrogen wastewater, salty wastewater, and organic wastewater purification, are reviewed. Ion exchange resins and membranes are important factors influencing the performance of EDI. The research progress on ion exchange resins and membranes in EDI is described, focusing on the solution to the membrane fouling problem in EDI process. Reducing and preventing membrane pollution in EDI is the focus of current research. Solving membrane pollution problem will greatly promote the development and application of EDI. Keywords: Electrodeionization; Ion exchange resin; Membrane fouling ...

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Scientific Research and Reviews

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