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120 resultados encontrados.

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System Safety Modeling of Alternative Geofencing Configurations for small UAS
Artículo
Acceso abierto Artículo DOAJ
James T. Luxhoj · Embry-Riddle Aeronautical University · 2016 · ISSN 2374-6793
As is well known, the integration of small Unmanned Aircraft Systems (sUAS) or “drones” into the National Airspace System (NAS) has captured significant industry, academic, regulatory and media attention. For sUAS th...
LCC LCC:Motor vehicles. Aeronautics. AstronauticsIdioma eng
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Open Access
The joint association of intrinsic capacity and physical activity with cardiovascular risk in older adults: evidence from four longitudinal cohorts
Artículo
Acceso abierto Artículo DOAJ
Zhengqiu Zhang et al · BMC · 2026 · ISSN 1471-2318
Abstract Background Intrinsic capacity (IC) serves as an integrative measure of biological reserve, and physical activity (PA) is a key modifiable determinant of cardiovascular health. The joint association of IC and PA ...
LCC TENDOkdlcmlhdHJpY3M~Idioma eng
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Open Access
Ground Risk Model for UAVs
Artículo
Acceso abierto Artículo DOAJ
Andrew V Shelley · Embry-Riddle Aeronautical University · 2023 · ISSN 2374-6793
This paper develops an alternative to the ground risk model provided by JARUS SORA. Key inconsistencies in the SORA ground risk model are identified, specifically ground risk continuing to increase when there is no furth...
LCC LCC:Motor vehicles. Aeronautics. AstronauticsIdioma eng
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Open Access
A GIS based hybrid AHP and ensemble machine learning framework for identifying groundwater recharge and flood mitigation hotspots
Artículo
Material complementario disponible Artículo DOAJ
Manvinder Sharma et al · Springer · 2026 · ISSN 2948-2992
Abstract Globally groundwater depletion threatens water security with aquifer storage declining at 300 km³/year. Climate change intensifies flood frequency and magnitude causing agricultural and other losses. Punjab, I...
LCC LCC:Electronic computers. Computer scienceIdioma eng
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Accelerometer-derived rest-activity rhythms, genetic risk, and chronic inflammatory markers and the risk of abdominal aortic aneurysm
Artículo
Acceso abierto Artículo DOAJ
Yongliang Zhong et al · Frontiers Media S.A · 2026 · ISSN 2296-2565
IntroductionDisrupted rest-activity rhythm (RAR), an accelerometer-derived measure of the strength and temporal organization of daily behavioral rhythms, has been linked to multiple adverse health outcomes. Given that th...
LCC LCC:Public aspects of medicineIdioma eng
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Open Access
Aspartate Aminotransferase/Alanine Aminotransferase Ratio Predicts the Post-surgical Prognosis of Patients with Oral Squamous Cell Carcinoma
Artículo
Acceso abierto Artículo DOAJ
Baochang He et al · Elsevier · 2026 · ISSN 0020-6539
Objectives: Survival rates in patients with oral squamous cell carcinoma (OSCC) have failed to improve greatly over time, and novel biomarkers are urgently needed. Therefore, the aim was to evaluate the predictive abilit...
LCC TENDOkRlbnRpc3RyeQ~~Idioma eng
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Open Access
Association between female sex and short-term mortality after coronary artery bypass grafting: a retrospective cohort study
Artículo
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Jiasen Ma et al · BMC · 2026 · ISSN 1749-8090
Abstract Background With the changes in coronary artery bypass grafting (CABG) guidelines, the demographic composition of surgical patients and their preoperative baseline characteristics have also shifted. However, it r...
LCC TENDOlN1cmdlcnk~; LCC:AnesthesiologyIdioma eng
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Association of Body Roundness Index with all-cause and cardiovascular mortality in patients with cardiovascular-kidney-metabolic (CKM) syndrome stages 0–3: a cohort study
Artículo
Acceso abierto Artículo DOAJ
Zehua He et al · Elsevier · 2026 · ISSN 2666-6022
Objective: This study aimed to investigate the association of body roundness index (BRI) with all-cause and cardiovascular mortality in patients with cardiovascular-kidney-metabolic (CKM) syndrome stages 0–3. Methods: ...
LCC TENDOkRpc2Vhc2VzIG9mIHRoZSBjaXJjdWxhdG9yeSAoQ2FyZGlvdmFzY3VsYXIpIHN5c3RlbQ~~Idioma eng
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Open Access
Association of magnetic resonance assessed disc degeneration and late clinical recurrence in dogs treated surgically for thoracolumbar intervertebral disc extrusions
Artículo
Material complementario disponible Artículo DOAJ
Sara Longo et al · Oxford University Press · 2021 · ISSN 0891-6640
Abstract Background Radiographic signs of intervertebral disc mineralization are thought to indicate sites of future recurrence of disc extrusion (Hansen type I) but the relationship between evidence of disc degeneration...
LCC TENDOlZldGVyaW5hcnkgbWVkaWNpbmU~Idioma eng
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Association of systemic immune-inflammation index with all-cause mortality in lung cancer patients undergoing radiotherapy: a retrospective cohort study
Artículo
Acceso abierto Artículo DOAJ
Jianwei Yang et al · Frontiers Media S.A · 2026 · ISSN 2234-943X
BackgroundThe systemic immune-inflammation index (SII) has emerged as a widely studied inflammatory biomarker reflecting the balance between host inflammatory and immune status, although evidence in lung cancer patients ...
LCC TENDOk5lb3BsYXNtcy4gVHVtb3JzLiBPbmNvbG9neS4gSW5jbHVkaW5nIGNhbmNlciBhbmQgY2FyY2lub2dlbnM~Idioma eng
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Open Access
Associations of probiotics, prebiotics, synbiotics, and yogurt supplements with oxidative balance scores and all-cause and cardiovascular mortalities in neuropsychiatric disorders
Artículo
Material complementario disponible Artículo DOAJ
Yihan Liu et al · Elsevier · 2026 · ISSN 2666-6022
Background: Neuropsychiatric disorders are highly prevalent, significantly impacting patients' Quality of Life. Probiotics can modulate the balance of gut flora, ameliorating neuropsychiatric disorders and ultimately red...
LCC TENDOkRpc2Vhc2VzIG9mIHRoZSBjaXJjdWxhdG9yeSAoQ2FyZGlvdmFzY3VsYXIpIHN5c3RlbQ~~Idioma eng
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Cadonilimab plus chemotherapy with or without bevacizumab as first-line treatment for advanced cervical cancer: subgroup analyses from the COMPASSION-16 phase 3 trial
Artículo
Acceso abierto Artículo DOAJ
Yang Sun et al · Nature Portfolio · 2026 · ISSN 2041-1723
Abstract The phase 3 COMPASSION-16 trial demonstrates significant progression-free survival (PFS) and overall survival (OS) benefits with cadonilimab plus standard therapy in patients with persistent, recurrent, or metas...
LCC TENDOlNjaWVuY2U~Idioma eng
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Open Access
Can the use of solid fuels increase the burden of multisite pain among middle-aged and older adults in China?
Artículo
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ZhiGuo He et al · Frontiers Media S.A · 2026 · ISSN 2296-2565
BackgroundThe relationship between indoor fuel use and multisite body pain remains unclear. This study aims to explore the potential association between solid fuel use and multisite pain burden disorders (MPBD).MethodsTh...
LCC LCC:Public aspects of medicineIdioma eng
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Open Access
Carcinoma de ovário seroso e não seroso: tipo histológico em relação ao grau de diferenciação e prognóstico Serous and non-serous ovarian carcinoma: histological tumor type as related to the grade of differentiation and disease prognosis
Artículo
Acceso abierto Artículo DOAJ
Patrícia Andréia Rodrigues Ferreira et al · Federação Brasileira das Sociedades de Ginecologia e Obstetrícia · 2012 · ISSN 0100-7203
OBJETIVO: Comparar as características clinicopatológicas de mulheres com carcinoma seroso e não seroso de ovário e identificar os fatores associados à sobrevida. MÉTODOS: Foram incluídas, neste estudo de coorte re...
LCC TENDOkd5bmVjb2xvZ3kgYW5kIG9ic3RldHJpY3M~Idioma eng
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Open Access
Clinical outcomes and survival of HIV exposed children at 18 months in post-conflict region: insight from the Panzi Interdisciplinary PMTCT cohort (Panzi IPC) study
Artículo
Acceso abierto Artículo DOAJ
Berckmans Mukanire Ntakwinja et al · BMC · 2026 · ISSN 1471-2334
Abstract Background Vertical transmission is the main mode of acquisition of HIV infection in the Democratic Republic of Congo (DRC). We aimed to determine the factors associated with the serological status of mothers an...
LCC TENDOkluZmVjdGlvdXMgYW5kIHBhcmFzaXRpYyBkaXNlYXNlcw~~Idioma eng
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Open Access
Clinical utility of the lactate-to-albumin ratio for predicting mortality in elderly severe acute pancreatitis
Artículo
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Qingcheng Zhu et al · Frontiers Media S.A · 2026 · ISSN 2296-858X
BackgroundElderly patients with severe acute pancreatitis (SAP) have high mortality, yet reliable early risk stratification tools remain limited. The lactate-to-albumin ratio (LAR) has emerged as a potential prognostic b...
LCC TENDOk1lZGljaW5lIChHZW5lcmFsKQ~~Idioma eng
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Clinicopathological and prognostic significance of stromal maturity, tumour-infiltrating lymphocytes, and systemic environment in breast cancer
Artículo
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Qing Guo et al · BMC · 2026 · ISSN 1746-1596
Abstract Background The tumour microenvironment and systemic inflammatory environment are related to the diagnosis, treatment and prognosis of various tumours. This study aimed to evaluate the clinicopathological signifi...
LCC TENDOlBhdGhvbG9neQ~~Idioma eng
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Open Access
Composição química e do conteúdo de energia do cariru (Talinum esculentum, Jacq.) Chemical composition and energy content of cariru (Talinum esculentum, Jacq.)
Artículo
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Luciana R. Trajano Manhães et al · Instituto Nacional de Pesquisas da Amazônia · 2008 · ISSN 0044-5967
Estudos recentes têm relatado o estado pluricarencial da população dos estados da Região Norte do Brasil. Paradoxalmente nessa região encontra-se uma grande biodiversidade da flora com variadas frutas e hortaliças,...
LCC LCC:Science (General)Idioma eng
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Compound climate extremes shape landslide hotspot heterogeneity in Myanmar and Vietnam
Artículo
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Xuyuan Wang et al · Taylor & Francis Group · 2026 · ISSN 1947-5705
Landslide hotspots refer to spatial clusters of slope failures where event densities significantly exceed surrounding background levels, providing key insight into how climatic, environmental, and anthropogenic factors i...
LCC TENDOkVudmlyb25tZW50YWwgdGVjaG5vbG9neS4gU2FuaXRhcnkgZW5naW5lZXJpbmc~; TENDOkVudmlyb25tZW50YWwgc2NpZW5jZXM~; TENDOlJpc2sgIdioma eng
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Cost-effectiveness of zanubrutinib versus ibrutinib in the first-line treatment for patients with chronic lymphocytic leukemia (CLL)/small lymphocytic lymphoma (SLL) in China
Artículo
Acceso abierto Artículo DOAJ
Ying Liu et al · BMC · 2026 · ISSN 2191-1991
Abstract Objective To evaluate the cost-effectiveness of zanubrutinib compared to ibrutinib in the first-line treatment of chronic lymphocytic leukemia (CLL) / small lymphocytic lymphoma (SLL) from the perspective of the...
LCC TENDOk1lZGljaW5lIChHZW5lcmFsKQ~~Idioma eng
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Open Access
Cumulative Triglyceride-Glucose Index and Risk of Metabolic Dysfunction–Associated Fatty Liver Disease: Findings from the Kailuan Cohort
Artículo
Acceso abierto Artículo DOAJ
Zhang C et al · Dove Medical Press · 2026 · ISSN 1178-7007
Chao Zhang,1 Zixin Zhang,2,3 Qi Qi,2,3 Lei Li,3 Jie Deng,3 Jiao Zheng,3 Yue Jiang,1 Quanle Han,3 Shouling Wu,4 Kangbo Li5 1Catheterization Unit, Tangshan Gongren Hospital, Tangshan, People’s Republic of China; 2Hebei M...
LCC LCC:Specialties of internal medicineIdioma eng
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Open Access
DIRECTIVE (EU) 2024/1203 AS A GUIDELINE FOR CRIMINAL LIABILITY FOR ENVIRONMENTAL OFFENSES IN UKRAINE
Artículo
Acceso abierto Artículo DOAJ
Yevhen Pysmenskyy et al · Josip Juraj Strossmayer University of Osijek, Faculty of Law · 2025 · ISSN 0352-5317
This article examines the newly adopted Directive (EU) 2024/1203 and its role as a  benchmark for reforming Ukraine’s criminal legislation on environmental offenses. The authors analyze key provisions of this document...
LCC TENDOkxhdw~~Idioma eng
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Deterministic structures in functionals of Baikal ice deformations
Artículo
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A. E. Volvach et al · Taylor & Francis Group · 2026 · ISSN 1947-5705
This study investigates deterministic structures in statistical functionals derived from high-resolution measurements of Lake Baikal ice cover deformations preceding ice shocks - events caused by thermal expansion during...
LCC TENDOkVudmlyb25tZW50YWwgdGVjaG5vbG9neS4gU2FuaXRhcnkgZW5naW5lZXJpbmc~; TENDOkVudmlyb25tZW50YWwgc2NpZW5jZXM~; TENDOlJpc2sgIdioma eng
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Development and psychometric validation of the insect fear questionnaire for school-aged children in Iran.
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Arman Latifi et al · Public Library of Science (PLoS) · 2026 · ISSN 1932-6203
BackgroundInsect-related fear (Entomophobia) is prevalent in children and affects their behavior and well-being, avoidance behaviors, and potentially hazardous practices such as inappropriate pesticide use. While many to...
LCC LCC:Medicine; TENDOlNjaWVuY2U~Idioma eng
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