Showing 101 - 120 results of 314 for search '"difference in difference"', query time: 0.04s Refine Results
  1. 101

    Numerical Modelling of Interaction between Hydraulic Fractures and Natural Fractures by Using the Extended Finite Element Method by Peilun Li, Yan Dong, Sheng Wang, Peichao Li

    Published 2020-01-01
    “…The results show that the fracture morphology is different under different criteria and working conditions. …”
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  2. 102

    Deep Learning for Person Reidentification Using Support Vector Machines by Mengyu Xu, Zhenmin Tang, Yazhou Yao, Lingxiang Yao, Huafeng Liu, Jingsong Xu

    Published 2017-01-01
    “…Due to the variations of viewpoint, pose, and illumination, a given individual may appear considerably different across different camera views. Tracking individuals across camera networks with no overlapping fields is still a challenging problem. …”
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  3. 103

    Impact Coefficient Analysis of Long-Span Railway Cable-Stayed Bridge Based on Coupled Vehicle-Bridge Vibration by Yongle Li, Shifu Dong, Yulong Bao, Kejian Chen, Shizhong Qiang

    Published 2015-01-01
    “…Even for each part, the impact coefficient is also different at different local positions. It reveals that the impact coefficients in the actual situation may have significant differences with the related code clauses in the present design codes.…”
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  4. 104

    Various Techniques for the Surgical Treatment of Common Bile Duct Stones: A Meta Review by Abolfazl Shojaiefard, Majid Esmaeilzadeh, Ali Ghafouri, Arianeb Mehrabi

    Published 2009-01-01
    “…Stones found before, during, and after cholecystectomy had also differing treatments. Different methods have been used for the treatment of CBDS but the suitable therapy depends on conditions such as patient' satisfaction, number and size of stones, and the surgeons experience in laparoscopy. …”
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  5. 105

    Interim Restorative Approach for the Management of Congenitally Missing Permanent Mandibular Incisors: Presentation of Three Cases by Prashanth Prakash, Jayadev M. Hallur, Rachana Narse Gowda

    Published 2011-01-01
    “…However, this restoration differs for different clinical situations based on various factors such as age and patient compliance, and also consideration has to be given for the growth changes of the child. …”
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  6. 106

    Design and Application of Uniaxially Sensitive Stress Sensor by Kaituo Wu, Zixun Xiang, Xinbo Lu, Yichao Yan, Chunyang Wu, Tao Wang, Wanli Zhang

    Published 2025-01-01
    “…It is obtained by simple combinations of bar resistors using their sensitivity differences in different axes. With the aid of a Wheatstone bridge, the sensor can measure the uniaxial stress magnitude by simple calibration of the stress against the output voltage and detect the bidirectional stress magnitude and direction in a micro-zone by simple rotation. …”
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  7. 107

    On the Rotor Stator Interaction Effects of Low Specific Speed Francis Turbines by Einar Agnalt, Igor Iliev, Bjørn W. Solemslie, Ole G. Dahlhaug

    Published 2019-01-01
    “…The blade loading on the two runners is different, giving different input for the pressure model. The main findings show that the pressure fluctuations in the guide vane cascade are mainly controlled by throttling for the low blade loading case and the rotating runner pressure for the higher blade loading case.…”
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  8. 108

    Impact of low-carbon economic policies on the corporate environmental responsibility model in China. by Hongya Liu, Haslindar Lbrahim, Meijing Song

    Published 2025-01-01
    “…Building upon previous research, this study utilizes data from the Shanghai and Shenzhen stock exchanges (2010-2020) and employs a Difference-in-Differences (DID) model to assess the effects of low-carbon economic policies introduced in 2016 on CER. …”
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  9. 109

    Effect of providing at-home opioid disposal kits at discharge after an orthopaedic surgery by Daniel Lee, M Kit Delgado, Zarina Ali, Anish Agarwal, Eric Shan, Ruiying Xiong, Michael Katzman

    Published 2025-01-01
    “…In this study, we assess the impact of opioid disposal kits on disposal rates after orthopedic surgery. In a difference-in-differences study of 1,321 eligible patients, disposal kits were associated with a 10.6 percentage point increase (95% CI: -3.5% to 24.7%) in disposal rates as well as a 10.5 percentage point increase (95% CI: 0.2% to 20.9%) in the fraction of opioids disposed. …”
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  10. 110

    Unbalance Identification of Speed-Variant Rotary Machinery without Phase Angle Measurement by Cong Yue, Xingmin Ren, Yongfeng Yang, Wangqun Deng

    Published 2015-01-01
    “…Moreover, the inherent unbalance recognized by experimental data from a turbine rotor with slender shaft is found to be in certain difference under different counterweight combination. Choosing suitable balancing planes will improve the accuracy of unbalance identification.…”
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  11. 111

    Bulk and Surface Chemical Composition of Wheat Flour Particles of Different Sizes by Jiangtao Lin, Yujuan Gu, Ke Bian

    Published 2019-01-01
    “…Results from scanning electron microscopy and bulk chemical composition analyze showed that flour particles of different sizes differed in microstructure, protein, and starch composition. …”
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  12. 112

    Can Smart City Policy Facilitate the Low-Carbon Economy in China? A Quasi-Natural Experiment Based on Pilot City by Shuangshuang Fan, Shengnan Peng, Xiaoxue Liu

    Published 2021-01-01
    “…For this purpose, we developed a nonconvex meta-frontier data envelopment analysis (DEA) approach to measure LCE and used the differences-in-difference (DID) analysis method in the econometric model to empirically analyze the impact of SCP on LCE, using the dataset of 230 cities from 2005 to 2018. …”
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  13. 113

    The Effect of Aging on the Cracking Resistance of Recycled Asphalt by Mojtaba Mohammadafzali, Hesham Ali, James A. Musselman, Gregory A. Sholar, Aidin Massahi

    Published 2017-01-01
    “…Rejuvenated mixtures generally aged more rapidly, and the rate of aging was different for different rejuvenators.…”
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  14. 114

    A Roadway Safety Sustainable Approach: Modeling for Real-Time Traffic Crash with Limited Data and Its Reliability Verification by Zhenzhou Yuan, Kun He, Yang Yang

    Published 2022-01-01
    “…However, as the development degree of the freeway system is different in different regions, the sample size of traffic data collected in some regions is insufficient, and the precision of data is relatively low. …”
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  15. 115

    PREVENTING CYBER ATTACKS ON CRIRICAL INFRASTRUCTURE: A NEW PRIORITY FOR THE RUSSIAN PUBLIC DIPLOMACY? by O. V. Demidov

    Published 2013-10-01
    “…Despite the significant differences of different countries in this area, their positions on ensuring protection against cyber attacks peaceful nuclear infrastructure are the closest to a consensus, creating a window of opportunity for practical progress on this issue in 2013-2014.…”
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  16. 116

    A TURNING POINT FOR BANKING: UNRAVELING THE CHANGING LANDSCAPE OF BANKING ACTIVITY IN EUROPE SINCE THE COVID-19 PANDEMIC by ANDREA BELLUCCI, GIANLUCA GUCCIARDI

    Published 2024-12-01
    “…This study investigates how the COVID-19 pandemic affected the European banking system, focusing on lending activities and risk-taking behavior. We use a difference-in-differences (DID) approach to compare the performance of banks highly impacted by the pandemic with those operating in less affected countries. …”
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  17. 117

    Effectiveness of scapular retraction exercises and kinesio taping in individuals with protracted shoulders: A randomized control trial by Divya Gohil, Mokshi Koul, Gaurang Baxi

    Published 2024-07-01
    “…A T-test was used to compare the intergroup differences. The differences were highly significant (P < 0.05) for all outcome measures, except for pectoralis minor length differences on day 14 and day 24. …”
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  18. 118

    The effect of the Covid pandemic on stock market volatility: Separating initial impact from time-to-recovery by Jin Zeng, Yijia Zhang, Yun Yin, Peter G Moffatt

    Published 2024-11-01
    “…We attribute these differences to differences in investors' sensitivity to adverse news, and to differences in the preparedness of stock markets to absorb the effects of crises such as the COVID-19 pandemic.…”
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  19. 119

    Export creation of the Belt and Road Initiative: “Give‐them‐a‐fish” or “Teach‐them‐to‐fish”? by Yu Chen, Yan Zhang, Lin Zhao

    Published 2022-12-01
    “…This paper investigates whether the BRI created exports for its member states (excluding China), based on a difference‐in‐differences model. We find a significant causal relationship between the signing of the initiative and the export growth of its member states. …”
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  20. 120

    Fault Diagnosis of High-Speed Train Bogie Based on Synchrony Group Convolutions by Yunpu Wu, Weidong Jin, Junxiao Ren, Zhang Sun

    Published 2019-01-01
    “…The proposed method is able to gather signals with similar patterns and process these channels with specific groups of neurons while simultaneously assigning signals with significant difference to different groups. In this approach, the feature can be extracted more effectively and the performance can be improved, owing to the sharing of filters for similar patterns. …”
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