Showing 241 - 260 results of 463 for search '"difference in difference"', query time: 0.10s Refine Results
  1. 241

    Evaluation of Superior Semicircular Canal Morphology and Its Relationship with Glenoid Fossa Roof Thickness Using Cone Beam Computed Tomography by Bahare Davvaz, Mahvash Hasani, Abdolaziz Haghnegahdar

    Published 2022-01-01
    “…The mean thickness of the SSC roof was 0.93 ± 0.48 mm, with no significant difference among different age groups and genders (p>0.05). …”
    Get full text
    Article
  2. 242

    STUDY ON THE EQUIVALENT PROPERTIES AND ENERGY ABSORPTION PROPERTIES OF A NOVEL MATERIAL WITH NEGATIVE POISSON′S RATIO (MT) by WU XiaoLi, LI ZhaoKai

    Published 2023-01-01
    “…Through the finite element simulation method, the response difference of different structural parameters(inclined wall angle, width ratio, aspect ratio) to the equivalent elastic mechanical performance parameters of the cell is compared, and the influence of these structural parameters on the energy absorption performance is explored, and the research is further extended to the structure under four common functional gradient arrays. …”
    Get full text
    Article
  3. 243

    Advances in adjuvant therapy for operable N2 non-small cell lung cancer: a narrative review by Lei Liu, Yilong Mao, Leilei Guo, Chencong Li, Yiqian Wang

    Published 2025-01-01
    “…Non-small cell lung cancer (NSCLC) is still the disease with the highest incidence rate among malignant tumors, in which NSCLC under N2 stage has obvious survival differences among different patients due to its high heterogeneity. …”
    Get full text
    Article
  4. 244

    The effect of E-commerce on digital inclusive finance: evidence from the E-commerce boom in rural China by Yi-Fan Zhang, Haoxing Zhao

    Published 2025-12-01
    “…Based on quasi-natural experiment data including 2844 counties in China, we employ a staggered difference-in-differences (DiD) model and find that after the arrival of the e-commerce boom, the digital inclusive finance index increased largely. …”
    Get full text
    Article
  5. 245

    Study on the hydrothermal effect in ice materials under the polar glacier runway dynamic load by Zhiyuan Wang, Shengrong Zhang, Ze Zhang, Chunlei Xie, Kunchao Zhou, Mingyang Yuan

    Published 2025-07-01
    “…The results show that due to the influence of dynamic load, the ice test sample has the phenomenon of alternating competition between the temperature rise stage and the temperature drop stage, and there is a temperature difference at different depths of the test sample. In the two groups of B and C with slower load frequency, the amount of water migration mainly changes with the temperature change in the test sample. …”
    Get full text
    Article
  6. 246

    Research on the synergizing the reduction of pollution and carbon emissions of new-type urbanization by Yuanyuan Zhao, Hongwei Zhou, Chuanzeng Jiang, Linlin Xuan, Liming Chen

    Published 2025-01-01
    “…Based on the data of 282 Chinese cities from 2011 to 2018, this article analyzes and explains the synergizing the reduction of pollution and carbon emissions (PCE) of new-type urbanization (NTU) by employing the Differences-in-Differences (DID) model. The results exhibit that the NTU has a significant promoting effect on reducing atmospheric pollutant emissions and improving carbon emission efficiency, demonstrating significant synergistic effects in reducing PCE. …”
    Get full text
    Article
  7. 247

    Analysis of Nitrogen and Phosphorus Spatiotemporal Variations and Their Influencing Factors in Sansha Bay by CAO Nuotong, LI Qingsheng, JIANG Jinlong

    Published 2024-09-01
    “…The spatial variation of DIN and DIP were different in different seasons. In spring and autumn, the content of DIN in Sansha Bay is higher than that in most other bays, while in summer it is lower than that in most other bays. …”
    Get full text
    Article
  8. 248

    Application of CNN-LSTM Model for Vehicle Acceleration Prediction Using Car-following Behavior Data by Shuning Tang, Yajie Zou, Hao Zhang, Yue Zhang, Xiaoqiang Kong

    Published 2024-01-01
    “…The analysis results from the coupled hidden Markov model (CHMM) are used to evaluate the driving behavior differences between different drivers by Wasserstein distance. …”
    Get full text
    Article
  9. 249

    Application of Metabolomics in Thyroid Cancer Research by Anna Wojakowska, Mykola Chekan, Piotr Widlak, Monika Pietrowska

    Published 2015-01-01
    “…This approach can be applied to reveal metabolic differences between different types of thyroid cancer and to identify new potential candidates for molecular biomarkers. …”
    Get full text
    Article
  10. 250

    RELIGION AND STATE IN THE EUROPEAN UNION by Joanna Kulska

    Published 2011-12-01
    “…Though the nature and the weight of the problems referring to the relations between the state and religion is different in different countries everywhere, it poses the question whether the common, all-European consensus in this area will ever be reached and what the final placement of religion in such a broadly accepted formula would be. …”
    Get full text
    Article
  11. 251

    University proceedings. Volga region. Natural sciences by O.N. Kurdyukova, Yu.G. Zarutskaya

    Published 2024-11-01
    “…In the conditions of Lugansk, these are dioecious, dioecious, deciduous, anemophilously pollinated, intensively growing, tall trees that retain intense leaf color throughout the growing season, and in the fall – a rich range of colors, but differ in different resistance to natural environmental and anthropogenic influences and unequal decorative advantages. …”
    Article
  12. 252

    Retrovirus Entry by Endocytosis and Cathepsin Proteases by Yoshinao Kubo, Hideki Hayashi, Toshifumi Matsuyama, Hironori Sato, Naoki Yamamoto

    Published 2012-01-01
    “…Because endocytosis and endosome acidification are complicatedly controlled by cellular mechanisms, the retrovirus entry pathways may be different in different cell lines.…”
    Get full text
    Article
  13. 253

    Commentary on “The Feasibility of Hybrid IMRT treatment planning for Left-sided Chest wall irradiation: A Comparative Treatment Planning Study” by Gautam Sarma, Hrishikesh Kashyap, Partha Medhi

    Published 2024-07-01
    “…This is important to know as the treatment volume will differ in different groups and whether the results obtained in the study will remain valid for any of the patient groups.Secondly, the volume of the right lung and left lung mentioned in the text are 963.14 ± 175.16 cc and 871.25 ± 171.57 cc, respectively. …”
    Get full text
    Article
  14. 254

    Mathematical Simulations and On-Road Experimentations of the Vibration Energy Harvesting from Mining Dump Truck Hydro-Pneumatic Suspension by Wenguang Wu, Sha Zhang, Zhiyong Zhang

    Published 2019-01-01
    “…The dissipated instantaneous power (The peak value is 180 kW) and average power (12 kW) were analyzed which showed 15-fold of difference. The different road class analysis results showed that the E-class road excited 4-fold of power than that of D-class road. …”
    Get full text
    Article
  15. 255

    Does the household clean energy transition benefit the mental health of the elderly in rural China? Evidence from China health and retirement longitudinal study by Hengxing Yin, Ling Han, Li Yan, Chenhao Liu

    Published 2025-01-01
    “…Using data from the China Health and Retirement Longitudinal Survey (CHARLS), this paper employs a difference-in-differences (DID) approach to estimate the impact of the “coal-to-gas” policy on the mental health of the rural elderly in China. …”
    Get full text
    Article
  16. 256

    Evaluating the Impact of Digital Transformation on Urban Innovation Resilience by Ruoxi Yu, Yaqian Chen, Yuhuan Jin, Sheng Zhang

    Published 2024-12-01
    “…It treats the Broadband China Pilot (BCP) policy as a quasi-natural experiment of digital transformation and employs a time-varying Difference-in-Differences (DID) method to investigate the impact of digital transformation on urban innovation resilience. …”
    Get full text
    Article
  17. 257

    Musculoskeletal Adverse Events Associated with PCSK9 Inhibitors: Disproportionality Analysis of the FDA Adverse Event Reporting System by Lingqing Ding, Congqin Chen, Yongkuan Yang, Jie Fang, Longxing Cao, Yige Liu

    Published 2022-01-01
    “…Concomitant use with statins leaded to an increased occurrence of MAEs (ROR 32.15 (25.55-40.46)), and the risk differed among different statins. The PCSK9 inhibitors were safer than statins in terms of hospitalization rate and death rate (15.64% vs. 36.83%; 0.72% vs. 3.53%). …”
    Get full text
    Article
  18. 258

    THE EFFECTS OF PERFORMANCE APPRAISAL ON EMPLOYEE RETENTION: A COMPARISON OF FINNISH AND VIETNAMESE ENTERPRISES by Nguyễn Hà Thu

    Published 2017-03-01
    “…Furthermore, the study would like to discover if these effects are different in different cultures.The author applied qualitative method, and the data were collected through 15 semi-structured interviews (including 7 casesconducted in Finland and 8 cases interviewed in Vietnam). …”
    Get full text
    Article
  19. 259

    Digital technology innovation, supply chain resilience and enterprise performance-The case of listed automotive parts manufacturing companies. by Xiangbing Chen, Chen Sun, Fang Wang

    Published 2025-01-01
    “…There are significant differences between different groups of business ownership. In economically underdeveloped regions, the effect of digital technology innovation on enterprise performance is more significant. …”
    Get full text
    Article
  20. 260

    Research on Dynamic Response of Shallow Buried Tunnel Lining Constructed by Drilling and Blasting Method by Bo Wu, Yaozhong Cui, Guowang Meng, Shixiang Xu, Chengming Xia, Yicai Li, Yao Zhang

    Published 2022-01-01
    “…The location of the peak particle velocity of the tunnel lining in three directions appears differently, and the location of the maximum MISES stress appears differently for different excavation sections. The arch shoulder is most affected by horizontal vibration in the X direction, and the vault is most affected by horizontal vibration in the Y direction. …”
    Get full text
    Article