Results 201 to 210 of about 124,031 (252)
Advanced Functional Materials, EarlyView.Multifunctional solid polymer electrolyte (SPE) films integrating intrinsic self‐healing, mechanical stretchability, and dual photo‐ and pH‐responsive ionic conductivity are developed. Constructed from thermoplastic polyurethane (TPU) and hydrogen‐bonded poly(thiourea triethylene glycol) (PTUEG3), these films form a dynamic supramolecular network ...
Mei‐Li Li +12 more
wiley +1 more source
Advanced Functional Materials, EarlyView.An atomically dispersed Ni catalyst featuring Ni‐N4 coordination is developed as a sulfur host for nonaqueous Zn─S batteries. This configuration modulates the electronic structure to lower activation barriers during rate‐limiting steps and promotes a robust ZnF2‐rich cathode‐electrolyte interphase, thereby accelerating sulfur redox kinetics ...
Junhyuk Ji +7 more
wiley +1 more source
Failure Lifetime Evaluation Based on Accelerated Generalized Wiener Degradation Process Models with Random Diffusion Coefficients. [PDF]
Entropy (Basel)Li S, Yan Z.
europepmc +1 more source
Multi-Target Radar Speed Meter Failure Mechanism Research. [PDF]
Sensors (Basel)Luo L +6 more
europepmc +1 more source
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Flexible parametric accelerated failure time model
Journal of Biopharmaceutical Statistics, 2021Accelerated Failure Time (AFT) models are viable alternatives to the Cox proportional hazard model, where failure times are explicitly modelled with respect to covariates. A major problem with parametric AFT models in practice is that statistical distribution used there often have a limited range of shapes, which may be inadequate to cope with real ...
Steve Su
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A semi‐parametric accelerated failure time cure model
Statistics in Medicine, 2002AbstractA cure model is a useful approach for analysing failure time data in which some subjects could eventually experience, and others never experience, the event of interest. A cure model has two components: incidence which indicates whether the event could eventually occur and latency which denotes when the event will occur given the subject is ...
Chin-Shang, Li, Jeremy M G, Taylor
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Spline‐based accelerated failure time model
Statistics in Medicine, 2020The accelerated failure time (AFT) model has been suggested as an alternative to the Cox proportional hazards model. However, a parametric AFT model requires the specification of an appropriate distribution for the event time, which is often difficult to identify in real‐life studies and may limit applications.
Menglan Pang +3 more
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A Bayesian Semiparametric Accelerated Failure Time Model
Biometrics, 1999Summary.A Bayesian semiparametric approach is described for an accelerated failure time model. The error distribution is assigned a Polya tree prior and the regression parameters a noninformative hierarchical prior. Two cases are considered: the first assumes error terms are exchangeable; the second assumes that error terms are partially exchangeable ...
Walker, Stephen, Mallick, Bani K.
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A homoscedasticity test for the accelerated failure time model
Computational Statistics, 2018The semiparametric accelerated failure time (AFT) model is a popular linear model in survival analysis. AFT model and its associated inference methods assume homoscedasticity of the survival data. It is shown that violation of this assumption will lead to inefficient parameter estimation and anti-conservative confidence interval estimation, and thus ...
Lili Yu, Liang Liu, Ding-Geng Chen
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