Showing 4,921 - 4,940 results of 6,053 for search 'model composition methods', query time: 0.24s Refine Results
  1. 4921

    Mesoscopic analysis and prediction of in-situ effect in FFF 3D printing CFRP/GFRP by Xiang Yu, Pai Peng, Tian-Yun Yao, Yu Zhao, Yong-Jun Zhou, Yuan Jing

    Published 2025-09-01
    “…In terms of numerical prediction, this work refines the traditional empirical formula to account for the specific characteristics of FFF 3D printing composites. As a result, the improved model achieves regression values of 0.88 (CFRP) and 0.72 (GFRP) for transverse in-situ tensile strength, and 0.99 (CFRP) and 0.98 (GFRP) for in-situ shear strength, respectively.…”
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  2. 4922

    Robust Switching Control and Subspace Identification for Flutter of Flexible Wing by Yizhe Wang, Zhiwei Xu, Wei Li

    Published 2018-01-01
    “…Active flutter suppression and subspace identification for a flexible wing model using micro fiber composite actuator were experimentally studied in a low speed wind tunnel. …”
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  3. 4923

    Macrophage Infiltration Correlated with IFI16, EGR1 and MX1 Expression in Renal Tubular Epithelial Cells Within Lupus Nephritis-Associated Tubulointerstitial Injury via Bioinformat... by Tian M, Tang M, Chen C, Lin Y, Chen H, Xu Y

    Published 2024-12-01
    “…Support vector machine-recursive feature elimination analysis and the least absolute shrinkage and selection operator regression model were used to screen for possible markers, and the compositional patterns of the 22 types of immune cell fractions in LN were determined using CIBERSORT. …”
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  4. 4924

    The relationship between HBV antigens deposition in kidneys and renal prognosis in IgA nephropathy patients infected with HBV by Yun Guo, Shangmei Li, Jiali Wei, Mianna Luo, Huafeng Liu

    Published 2024-12-01
    “…A Cox proportional hazard model was used to assess the impact of both HBV positive in the serum and HBV antigens deposition in the kidneys on renal outcomes.Results Among 198 individuals, 27 primary composite outcome events were observed, of which 20 (20%) in the HBV positive group and seven (7%) were in the HBV-negative group. …”
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  5. 4925

    Optimal operating conditions of PES/BiFeO3 mixed matrix membrane for treating dye-contaminated wastewater by Shahad K. Jawad, Khalid T. Rashid, Manal Afham Toma, Adnan A. Abdul Razak, Mohammed Ahmed Shehab, Maryam Y. Ghadhban, Munaf Al-lami, Alhafadhi Mahmood, Haidar Hasan Mohammed, Amaal Ajeel Hmood, Mohammed Faleh Abd Al-Ogaili, Saad Alsarayefi

    Published 2025-06-01
    “…A set of experimental runs for the ultrafiltration (UF) setup was constructed utilizing the central composite design of experiment method. This study examined how operating and preparation conditions affected PES/BiFeO3 membrane permeate flux and MB rejection for all membrane samples. …”
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  6. 4926

    Equilibrium, kinetic and thermodynamic studies of the adsorption of Congo red on nZVI/Zn-Al layered double hydroxide intercalated with PO4 3− ion by Kofi Duodu, Gerheart Winfred Ashong, Francis Opoku, Nathaniel Owusu Boadi, Eric Selorm Agorku

    Published 2025-05-01
    “…In this study, nano zero-valent iron (nZVI), Zn-Al-PO4 and (3–5%) nZVI/Zn-Al-PO4 layered double hydroxides (LDHs) superadsorbents were synthesized using the co-precipitation method. Fourier transform infrared spectroscopy (FTIR), Zetasizer/potential (ZP), scanning electron microscopy (SEM) coupled with electron dispersive X-ray (EDX) and X-ray diffraction (XRD) were employed to study the chemical composition, morphology and structural features of the adsorbent. …”
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  7. 4927

    Cognitive impairment mediates the association between sarcopenic obesity and daily living ability in the frail older population by Hang Li, Haifei Shen, Lei Yu, Yao Wen, Dan Ren, Cong Ding, Xiaobo Wang, Wanjun Xie, Yongwang Miao, Wenxu Zheng

    Published 2025-10-01
    “…Objective: To explore the relationships between sarcopenic obesity, cognitive function, and daily living ability in a hospitalized frail older population. Method: We enrolled 206 older adults hospitalized frail or prefrail patients aged ≥60 years for body composition analysis, motor and cognitive function assessment, and daily living ability assessment. …”
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  8. 4928

    Antibacterial and wound healing activities of biosynthesized AgNPs and ZnNPs from Sesamum indicum seeds extract against MDR Klebsiella variicola and Pantoea ananatis by Faraidun Ahmed, Khadijakhalil Barzani, Payman Hamasaeed

    Published 2024-10-01
    “…Then, tested against Klebsiella variicola and Pantoea ananatis in vitro and in vivo using albino wistar rat model. Results: Findings showed that antibacterial effects with inhibition zone of each AgNPs and ZnNPs against K. variicola was 15 mm, while, for Ag-Zn composite nanoparticles was 12 mm. …”
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  9. 4929

    Computational evaluation of the biomechanical effects of position changes in the femoral neck system on Pauwels type III femoral neck fractures: an in silico study by Xiang Zhang, Shenghang Zhang, Zhou Zhong, Wen Zhang, Zhongwei Xiong

    Published 2025-02-01
    “…This study evaluated the effects of different FNS positions on the biomechanical stability of Pauwels type III femoral neck fractures (FNFs) using finite element analysis (FEA).MethodsPauwels type III FNF models fixed with different FNS positions were constructed using various bolt lengths, bolt positions, and axis–bolt angles. …”
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  10. 4930

    Cost-Based Optimal Allocation of Shunt Capacitors in Radial Distribution Networks Considering Load Types Using Crow Search Algorithm by Stephen W. Mathenge, Edwell. T. Mharakurwa, Lucas Mogaka

    Published 2025-01-01
    “…Power flow analysis was conducted via the Backward/Forward Sweep (BFS) method on the IEEE 33-bus system, incorporating four load models: Constant impedance (CZ), constant current (CI), constant power (CP), and composite ZIP. …”
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  11. 4931

    Validity and reliability of the Chinese version of the Jenkins Sleep Scale among university students in China by Mengyuan Zhao, Garry Kuan, Ke Zhou, Yee Cheng Kueh

    Published 2025-07-01
    “…Internal consistency (Cronbach’s alpha) and composite reliability (CR) were calculated to assess reliability. …”
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  12. 4932

    Cardiac Magnetic Resonance Left Atrial Strain in the Prediction of Death, Ischemic Stroke, and Heart Failure by Rungroj Krittayaphong, Kanchalaporn Jirataiporn, Ahthit Yindeengam, Thammarak Songsangjinda

    Published 2024-09-01
    “…Patients with impaired left ventricular systolic function (<50%) or a history of atrial fibrillation, stroke, or heart failure were excluded. A multivariable Cox model assessed the prognostic value of LAS, with the primary outcomes being the composite outcomes of all‐cause death, ischemic stroke, and heart failure. …”
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  13. 4933

    Robust Trajectory Tracking Fault-Tolerant Control for Quadrotor UAVs Based on Adaptive Sliding Mode and Fault Estimation by Yukai Wu, Guobi Ling, Yaoke Shi

    Published 2025-07-01
    “…This paper presents a composite disturbance-tolerant control framework for quadrotor unmanned aerial vehicles (UAVs). …”
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  14. 4934

    Association of direct oral anticoagulant-proton pump inhibitor cotherapy with adverse outcomes: protocol for a population-based cohort study by Lehana Thabane, Lawrence Mbuagbaw, Michael Paterson, Laura Targownik, Mei Wang, Anne Holbrook, Deborah Siegal

    Published 2022-06-01
    “…A minimum of 520 patients in total with at least one of the components of the composite outcome are needed. Poisson regression with a generalised estimating equation model will be used to calculate the adjusted incidence rate difference, incidence rate ratios 95% CI, adjusting for propensity for PPI use using inverse probability of treatment weights.Ethics and dissemination This research is exempt from REB review under section 45 of Ontario’s Personal Health Information Protection Act. …”
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  15. 4935

    Global longitudinal strain as a predictor of outcomes in chronic Chagas´ cardiomyopathy. by Minna Moreira Dias Romano, Henrique Turin Moreira, Fawaz Alenezi, Joseph Kisslo, Bernardo Lombo Lievano, André Schmidt, Benedito Carlos Maciel, José Antônio Marin-Neto, Eric J Velazquez

    Published 2025-08-01
    “…However, its prognostic value in CCC is not well established.<h4>Methods</h4>This study was a retrospective echocardiography analysis with prospective follow-up of CCC subjects. …”
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  16. 4936

    Right Ventricular Function Score by Echocardiography for Predicting Outcomes After Heart Transplantation by Wei Sun, Yuji Xie, Ye Zhu, Yun Yang, Xin Zhang, Nianguo Dong, Guohua Wang, Yuman Li, Jing Wang, Qing Lv, Mingxing Xie, Li Zhang

    Published 2025-08-01
    “…Moreover, incorporating the RVFS into the base clinical model significantly improved the C‐statistic of the prediction model (C‐statistic from 0.70 to 0.83, P<0.001). …”
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  17. 4937

    Development and external validation of a risk prediction score (DASHI) for cardiovascular events following acute respiratory infections: derivation and validation retrospective coh... by Joseph J. Lee, Constantinos Koshiaris, Cynthia Wright-Drakesmith, Jennifer A. Davidson, Charlotte Warren-Gash, F.D. Richard Hobbs, James P. Sheppard

    Published 2025-06-01
    “…We derived a clinical prediction score from the most parsimonious logistic regression model. We validated each model and the score in the external dataset using C statistics, calibration plots, and expected to observed ratios. …”
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  18. 4938
  19. 4939

    Soluble ST2 does not change cardiovascular risk prediction compared to cardiac troponin T in kidney transplant candidates. by Mira T Keddis, Ziad El-Zoghby, Bruce Kaplan, Jeffrey W Meeusen, Leslie J Donato, Fernando G Cosio, D Eric Steidley

    Published 2017-01-01
    “…During 28 months (IQR 25.3-30), 7.5% died, 13.0% developed CVE and 19.0% developed the composite outcome. Elevated sST2 was associated with the composite outcome (hazard ratio = 1.76, CI 1.06-2.73, p = 0.029) on univariate analysis but not after adjusting for age, diabetes and cTnT (p = 0.068). sST2 did not change the risk prediction model for composite outcome after including age, diabetes, prior history of CVE and elevated cTnT.…”
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  20. 4940

    Hand dexterity and mobility independently predict cognition in older adults: a multi-domain regression analysis by Thomas Rudolf Schneider, Ansgar Felbecker, Ansgar Felbecker, Ben von Mitzlaff, Ben von Mitzlaff, Gregor Weissofner, Gregor Weissofner, Sarah Meier, Sarah Meier, Patrick Eggenberger, Patrick Eggenberger, Patrick Eggenberger, Simon Annaheim

    Published 2025-08-01
    “…BackgroundMotor function is a sensitive indicator of cognitive aging but the unique contributions of different motor domains are unclear when assessed together.MethodsWe evaluated 98 community-dwelling older adults (median age: 74). …”
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