Showing 49,961 - 49,980 results of 52,363 for search '"China"', query time: 0.18s Refine Results
  1. 49961
  2. 49962

    Adaptive IP geolocation framework for target network scenarios by Shuodi ZU, Shichang DING, Fuxiang YUAN, Xiangyang LUO

    Published 2023-12-01
    “…The target location can be determined through IP geolocation, serving as a vital foundation for location-based services.Researchers have proposed various IP geolocation algorithms with different implementation principles to cater to different network scenarios.However, maintaining an ideal geolocation effect proves challenging for these algorithms in diverse network scenarios.Three typical implementation principles for IP geolocation based on network measurement were introduced.The advantages and disadvantages of these methods in various network scenarios were analyzed, and an adaptive IP geolocation framework specifically tailored to target network scenarios was proposed.The geolocation framework was functioned as follows: initially, a preliminary city-level location estimation was obtained by comparing the target’s location with the landmark database.Then, detection sources were deployed in a distributed manner, and information such as delay, topology and same subnet landmarks for the target city was gathered to determine the network scenario.Finally, an appropriate geolocation method was employed to accurately estimate the target’s location according to the identified network scenario.Through simulation geolocation experiments in 11 cities of China, the multi-level performance of various IP geolocation methods supported by landmark data of different quantities and distributions was evaluated.The results indicate that the proposed framework achieves a city-level geolocation success rate of 96.16% and a median error of 4.13 km for street-level geolocation.Moreover, the framework demonstrates stable geolocation performance across different conditions, including varying same subnet landmark numbers and target accessibility.These experimental findings validate the effectiveness of the proposed framework and offer novel insights for IP geolocation research.…”
    Get full text
    Article
  3. 49963

    Defining Major Oil and Gas Companies’ Development Strategies in the Era of Energy Transition by V. I. Salygin, D. S. Lobov

    Published 2021-11-01
    “…To do this, the authors examined the energy markets of 54 countries with the focus on Brazil, Canada, China, EU, Norway, Russia, Saudi Arabia, the UK, the USA, operational indicators, and innovation development trends of 18 major oil and gas companies. …”
    Get full text
    Article
  4. 49964

    Impact of care guilt on the health status of female medical staff: a cross-sectional study by Jia Xu, Chun Xia

    Published 2025-01-01
    “…Method A questionnaire survey of 407 full-time female medical staff with family care needs, recruited using convenience sampling from eight hospitals in China, was conducted. The survey tools comprised the Relationship Guilt Scale, Dapkus’ time pressure scale, Zhong-yong scale, and Self-rated health status scale. …”
    Get full text
    Article
  5. 49965
  6. 49966
  7. 49967
  8. 49968

    The Modeling of Comprehensive Evaluation System of College Teachers’ Professional Quality Based on Deep Learning by Xiaoying Yang

    Published 2022-01-01
    “…As a significant part of national education, the quality and ability of college teachers determine the level and height of the connotation growth of higher education in China. With the advent of the 21st century, society has entered a new stage of rapid development of knowledge economy. …”
    Get full text
    Article
  9. 49969
  10. 49970
  11. 49971
  12. 49972

    Application of the Improved Multipopulation Genetic Algorithm in the TMD Controlled System considering Soil-Structure Interaction by Wei Nie, Shuxian Liu, Hang Yin, Shasha Lu, Dongxu Zhao, Hong Xu

    Published 2022-01-01
    “…The Newmark time-domain analysis method was used to analyze the dynamic response of a 40-story building under the excitation of EL Centro waves and Tangshan waves in China, respectively. The mass, damping coefficient, and spring stiffness of TMD system are used as the design variables of the controller. …”
    Get full text
    Article
  13. 49973

    Digital technology and mental health: Chinese university students' perspectives on the impact of social media by Chi Zhang

    Published 2024-07-01
    “…This study intends to shed light on how these students' use of social media platforms contributes to these mental health issues, given that it has been estimated that up to 30% of university students in China suffer from mental health issues. # Methods We investigate the extent of this issue by looking at how Chinese social media platforms like WeChat, Weibo, and QQ impact students' mental health. …”
    Get full text
    Article
  14. 49974

    Relationship between movement behaviours and life satisfaction in Chinese children: A cross-lagged panel analysis. by Xingyi Yang, Danqing Zhang, Yang Liu

    Published 2025-01-01
    “…This one-year follow-up study included 683 students (8.91 ± 1.31 years old) from Shanghai, China. Information on days of moderate- to vigorous-physical activity (MVPA), days of muscle-strengthening exercise (MSE), screen time (ST), and sleep duration was measured via a self-reported questionnaire. …”
    Get full text
    Article
  15. 49975
  16. 49976
  17. 49977
  18. 49978

    Structural Characters and Pharmacological Activity of Protopanaxadiol-Type Saponins and Protopanaxatriol-Type Saponins from Ginseng by Lancao Zhang, Xiang Gao, Chunhui Yang, Zuguo Liang, Dongsong Guan, Tongyi Yuan, Wenxiu Qi, Daqing Zhao, Xiangyan Li, Haisi Dong, He Zhang

    Published 2024-01-01
    “…Ginseng has a long history of drug application in China, which can treat various diseases and achieve significant efficacy. …”
    Get full text
    Article
  19. 49979
  20. 49980