Results 81 to 90 of about 805,269 (280)

Evaluación de la calidad del agua para consumo humano según ICA de Montoya en el poblado de Yamaniguey

open access: yesMinería y Geología, 2022
Los índices de calidad del agua (ICA) resumen y simplifican, en un solo valor numérico, la calidad del agua a partir de un cúmulo de información disponible.
Marianela Crespo-Lambert   +2 more
doaj  

Robust Independent Component Analysis via Minimum Divergence Estimation [PDF]

open access: yes, 2012
Independent component analysis (ICA) has been shown to be useful in many applications. However, most ICA methods are sensitive to data contamination and outliers. In this article we introduce a general minimum U-divergence framework for ICA, which covers
Chen, Peng-Wen   +4 more
core  

A critical reappraisal of the carotid sinus and carotid bulb: Distinguishing neurohistological function from vascular geometry

open access: yesThe Anatomical Record, EarlyView.
This review redefines the carotid bulb (CB) as a variable geometric dilation shaped by hemodynamics and the carotid sinus (CS) as a conserved neurohistological baroreceptor field. Distinguishing these entities clarifies a century of anatomical confusion and links geometry, neurohistology, and clinical interpretation within a unified framework ...
Răzvan Costin Tudose   +2 more
wiley   +1 more source

White Matter Function and Network Abnormalities in Patients with Diabetic Retinopathy

open access: yesDiabetes, Metabolic Syndrome and Obesity
Yu-Lin Zhong,1,* Rui-Yang Hu,2,* Yuan-Zhi He,3 Xiao-Tong Li,3 Zi-Cong Li,4 Xin Huang1 1Department of Ophthalmology, Jiangxi Provincial People’s Hospital, The First Affiliated Hospital of Nanchang Medical College, Nanchang, Jiangxi, 330006, People’
Zhong YL   +5 more
doaj  

Oldest well‐preserved euprimate petrosal, from the early Eocene of India (Vastan Lignite Mine, Gujarat)

open access: yesThe Anatomical Record, EarlyView.
Abstract An exquisitely preserved, isolated partial petrosal with associated fragmentary stapes is described from the Vastan Lignite Mine (Gujarat, India), dated to the early Eocene (~54.5 Ma). Several anatomical traits (e.g., large petrosal plate; posterolateral entry of the internal carotid artery to the tympanic cavity; bony tubes surrounding the ...
Mary T. Silcox   +8 more
wiley   +1 more source

ANÁLISIS DEL COMPORTAMIENTO DEL IMPUESTO ICA EN EL PRESUPUESTO DEL DISTRITO CAPITAL (1996 - 2005)

open access: yesRevista Facultad de Ciencias Económicas, 2015
El objetivo principal de este trabajo, es analizar el comportamiento del Impuesto de Industria y Co - mercio, Avisos y Tableros ICA, en el presupuesto del Distrito Capital (Bogotá), teniendo en cuenta el beneficio que representa este gravamen para el ...
JOSÉ ALIRIO PINZÓN
doaj  

Heat Stress and Gut Microbiome Dynamics in Poultry: Interplay, Consequences, and Mitigation Strategies

open access: yesAnimal Research and One Health, EarlyView.
Heat stress disrupts gut microbial balance in poultry, impairing nutrient absorption and immunity. This review outlines the interplay between thermal stress and microbiome dynamics and discusses integrative mitigation strategies, probiotics, phytogenics, cooling systems, and genetic adaptation to enhance poultry resilience.
O. E. Oke   +9 more
wiley   +1 more source

The Underlying Return Generating Factors for REIT Returns: An Application of Independent Component Analysis [PDF]

open access: yes
Multi-factor approaches to analysis of real estate returns have, since the pioneering work of Chan, Hendershott and Sanders (1990), emphasised a macro-variables approach in preference to the latent factor approach that formed the original basis of the ...
Colin Lizieri   +2 more
core  

AI voice journaling for future language teachers: A path to well‐being through reflective practices

open access: yesBritish Educational Research Journal, EarlyView.
Abstract This study aimed to explore the perceived impact of using an AI‐powered voice journaling app in overcoming the challenges and stressors encountered by senior students enrolled in teaching practicum at an English Language Teaching Bachelor's programme.
Bora Demir, Duygu Özdemir
wiley   +1 more source

Price Transmission Asymmetries and Nonlinearities in the International Coffee Supply Chain [PDF]

open access: yes
We examine two distinct and important dimensions (e.g. symmetry vs. asymmetry and linearity vs. nonlinearity) of price transmission from international to retail coffee prices in France, Germany and the United States.
Gomez, Miguel I., Lee, Jun
core   +1 more source

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