Zobrazeno 1 - 10
of 237
pro vyhledávání: '"time-dependent effects"'
Autor:
Mehdi Kazempour Dizaji, Mohammad Varahram, Atefe Abedini, Rahim Roozbahani, Ali Zare, Payam Tabarsi, Majid Marjani, Afshin Moniri, Niloufar Alizadeh Kolahdozi, Mohammadreza Madani, Parvaneh Baghaei Shiva
Publikováno v:
Health Science Monitor, Vol 3, Iss 1, Pp 39-47 (2024)
Background & Aims: There are variables whose influence on the risk of tuberculosis (TB) recurrence change over time. Therefore, this study aimed to assess the time-dependent effects of these variables on the hazard of TB recurrence. Materials & Metho
Externí odkaz:
https://doaj.org/article/e9a9f80cd75c4e019e70aa3b028bc0af
Publikováno v:
Frontiers in Earth Science, Vol 12 (2024)
Shale formations often contain a high proportion of clay minerals, which, upon contact with drilling fluid, undergo hydration expansion. This leads to wellbore instability, a problem that poses significant challenges globally. This study aims to inve
Externí odkaz:
https://doaj.org/article/1184df75fdc24629b07854aa2e5d6cde
Autor:
Magdy Rashed, Sameh S. F. Mehanny
Publikováno v:
Journal of Engineering and Applied Science, Vol 70, Iss 1, Pp 1-23 (2023)
Abstract Assessing available numerical techniques adopted to determine the design time-dependent moment for prestressed concrete segmental bridges constructed by the balanced cantilever method is of utmost importance to the bridge design community. I
Externí odkaz:
https://doaj.org/article/bc34a5b708b643838125fa8a61084ad8
Autor:
Kim M. Jachno, Stephane Heritier, Robyn L. Woods, Suzanne Mahady, Andrew Chan, Andrew Tonkin, Anne Murray, John J. McNeil, Rory Wolfe
Publikováno v:
Trials, Vol 23, Iss 1, Pp 1-14 (2022)
Abstract Background For the design and analysis of clinical trials with time-to-event outcomes, the Cox proportional hazards model and the logrank test have been the cornerstone methods for many decades. Increasingly, the key assumption of proportion
Externí odkaz:
https://doaj.org/article/8d7d5d86455e4c91805ed11995d78f32
Publikováno v:
Ecotoxicology and Environmental Safety, Vol 239, Iss , Pp 113690- (2022)
Ciprofloxacin is ubiquitous and poses a potential threat to aquatic ecosystems. However, the comprehensive effect of prolonged ciprofloxacin exposure on the submerged clonal plant Vallisneria natans (Lour.) Hara remains unknown. Growth and physiologi
Externí odkaz:
https://doaj.org/article/8cfab876dbee484fa118266c3385b75c
Publikováno v:
Frontiers in Marine Science, Vol 9 (2022)
Shallow aquatic environments are characterized by strong environmental variability. For ectotherms, temperature is the main driver of metabolic activity, thus also shaping performance. Ingestion rates in mysids are fast responses, influenced by metab
Externí odkaz:
https://doaj.org/article/c9f1e29e00064e588017178daa11fffd
Akademický článek
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Akademický článek
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Autor:
Yue-Peng Jiang, Yan Jin, Jie Bao, Song Wang, Wei-Dong Lai, Cheng-Ping Wen, Zheng-Hao Xu, Jie Yu
Publikováno v:
Frontiers in Pharmacology, Vol 12 (2021)
The aim of this study was to investigate the time dependent effects of tetramethylpyrazine (TMP, main activity compound of Ligusticum chuanxiong Hort) on two neurological disorders and their neuropsychiatric comorbidities. 6 Hz corneal rapid kindling
Externí odkaz:
https://doaj.org/article/6c51c131d87e462c949cea5f6a23e9d5
Autor:
Hadrien Charvat, Aurélien Belot
Publikováno v:
Journal of Statistical Software, Vol 98, Iss 1 (2021)
We present mexhaz, an R package for fitting flexible hazard-based regression models with the possibility to add time-dependent effects of covariates and to account for a twolevel hierarchical structure in the data through the inclusion of a normally
Externí odkaz:
https://doaj.org/article/dd3ef9c51a244926ac73370bed875c34