Novedades Ayuda Acceso institucional

Buscar recursos académicos

Encontrá libros, artículos, revistas, tesis y otros recursos académicos. Buscá, elegí el resultado correcto y accedé al contenido.

Búsqueda avanzada
Qué reúne NODOVOX Discovery: catálogos institucionales, recursos electrónicos, revistas de acceso abierto, colecciones disponibles y enlaces de consulta académica.
medicina forense derecho revistas Open Access texto completo

Resultados

45 resultados encontrados.

Tipos de recurso: Libro electrónico Artículo Revista Tesis Capítulo
Búsqueda académica
Mercury Isotopes Track the Causes of Carbon Perturbations in the Early Permian Ocean and Continent
Artículo
Acceso abierto Artículo DOAJ
Mercury Isotopes Track the Causes of Carbon Perturbations in the Early Permian Ocean and Continent
Qiang Fang et al · Wiley · 2025 · ISSN 0094-8276
Abstract The Early Permian witnessed the first icehouse‐to‐greenhouse turnover of the vegetated Earth, yet its climate dynamics remain enigmatic. Here, we used mercury (Hg) isotopes from pelagic and continental succe...
LCC LCC:Geophysics. Cosmic physicsIdioma eng
Acceso abiertoRuta libre sin proxy. Acceso recomendado cuando no hay suscripción activa.
Open Access
Disponible en línea Ficha bibliográfica
Mercury enrichment and Hg isotopes in Cretaceous-Paleogene boundary successions: Links to volcanism and palaeoenvironmental impacts
Artículo
Material complementario disponible Artículo CONICET Digital
Mercury enrichment and Hg isotopes in Cretaceous-Paleogene boundary successions: Links to volcanism and palaeoenvironmental impacts
Sial, A. N. et al · Academic Press Ltd - Elsevier Science Ltd · 2016 · ISSN 0195-6671
We investigate the use of Hg as a proxy for volcanism by studying four distal and two proximal sections in relation to the Deccan volcanic center, straddling the Cretaceous-Paleogene (KPg) boundary at (a) Højerup (Denma...
Idioma eng
Material complementario disponibleEl enlace apunta a material asociado, anexos, tablas, datos o página complementaria. No se marca como libro/texto completo.
Material complementario
Abrir material Ficha bibliográfica
A first evaluation on the use of Ardea albus feathers as bioindicators of mercury burden in Amazonian ecosystems Avaliação preliminar do uso de penas de Ardea albus como bioindicadoras de mercúrio em ecossistemas amazônicos
Artículo
Acceso abierto Artículo DOAJ
A first evaluation on the use of Ardea albus feathers as bioindicators of mercury burden in Amazonian ecosystems Avaliação preliminar do uso de penas de Ardea albus como bioindicadoras de mercúrio em ecossistemas amazônicos
Andreza Lourdes Gomes et al · Instituto Nacional de Pesquisas da Amazônia · 2009 · ISSN 0044-5967
We evaluated in this study the total mercury concentration in feathers of Ardea albus collected in a colony located in the city of Belem-PA, Brazil in a prospective trial for its use as bioindicators of mercury burden in...
LCC LCC:Science (General)Idioma eng
Acceso abiertoRuta libre sin proxy. Acceso recomendado cuando no hay suscripción activa.
Open Access
Disponible en línea Ficha bibliográfica
Anthropogenic short-lived halogens increase human exposure to mercury contamination due to enhanced mercury oxidation over continents
Artículo
Acceso abierto Artículo CONICET Digital
Anthropogenic short-lived halogens increase human exposure to mercury contamination due to enhanced mercury oxidation over continents
Fu, Xiao et al · National Academy of Sciences · 2024 · ISSN 0027-8424
Mercury (Hg) is a contaminant of global concern, and an accurate understanding of its atmospheric fate is needed to assess its risks to humans and ecosystem health. Atmospheric oxidation of Hg is key to the deposition of...
Idioma eng
Acceso abiertoRuta libre sin proxy. Acceso recomendado cuando no hay suscripción activa.
Open Access
Disponible en línea Ficha bibliográfica
Contaminação por mercúrio em ecossistemas aquáticos: uma análise das áreas críticas Mercury contamination in aquatic ecosystems: an analysis of the critical areas
Artículo
Acceso abierto Artículo DOAJ
Contaminação por mercúrio em ecossistemas aquáticos: uma análise das áreas críticas Mercury contamination in aquatic ecosystems: an analysis of the critical areas
Luiz Drude de Lacerda et al · Universidade de São Paulo · 2008 · ISSN 0103-4014
O processo de contaminação por mercúrio em ecossistemas aquáticos é discutido, levando-se em consideração as características biogeoquímicas atuantes nesses sistemas que resultam em uma maior mobilização e biod...
LCC TENDOlNvY2lhbCBzY2llbmNlcyAoR2VuZXJhbCk~Idioma eng
Acceso abiertoRuta libre sin proxy. Acceso recomendado cuando no hay suscripción activa.
Open Access
Disponible en línea Ficha bibliográfica
High levels of Mercury and Lead detected by hair analysis in two Venezuelan environments Altos níveis de Mercúrio e Chumbo detectados pela análise de cabelo em dois ambientes venezuelanos
Artículo
Acceso abierto Artículo DOAJ
High levels of Mercury and Lead detected by hair analysis in two Venezuelan environments Altos níveis de Mercúrio e Chumbo detectados pela análise de cabelo em dois ambientes venezuelanos
Eunice Marcano et al · Instituto Nacional de Pesquisas da Amazônia · 2009 · ISSN 0044-5967
Mercury and Lead concentrations obtained by ICP-OAS analysis of human hair from riverside communities along the Orinoco river in the Amazon state (Venezuela) were compared with those from Caracas, Venezuela. Taking into ...
LCC LCC:Science (General)Idioma eng
Acceso abiertoRuta libre sin proxy. Acceso recomendado cuando no hay suscripción activa.
Open Access
Disponible en línea Ficha bibliográfica
Incorporation of inorganic mercury (Hg2+) in pelagic food webs of ultraoligotrophic and oligotrophic lakes: The role of different plankton size fractions and species assemblages
Artículo
Acceso abierto Artículo CONICET Digital
Incorporation of inorganic mercury (Hg2+) in pelagic food webs of ultraoligotrophic and oligotrophic lakes: The role of different plankton size fractions and species assemblages
Soto Cárdenas, Estela Carolina et al · Elsevier Science · 2014 · ISSN 0048-9697
In lake food webs, pelagic basal organisms such as bacteria and phytoplankton incorporate mercury (Hg2+) from the dissolved phase and pass the adsorbed and internalized Hg to higher trophic levels. This experimental inve...
Idioma eng
Acceso abiertoRuta libre sin proxy. Acceso recomendado cuando no hay suscripción activa.
Open Access
Disponible en línea Ficha bibliográfica
Separation and preconcentration of inorganic and organomercury species in water samples using a selective reagent and an anion exchange resin and determination by flow injection-cold vapor atomic absorption spectrometry
Artículo
Material complementario disponible Artículo CONICET Digital
Separation and preconcentration of inorganic and organomercury species in water samples using a selective reagent and an anion exchange resin and determination by flow injection-cold vapor atomic absorption spectrometry
Altamirano, Jorgelina Cecilia et al · Royal Society of Chemistry · 2002 · ISSN 0267-9477
An on-line inorganic (InHg) and organomercury (OrHg) species separation, preconcentration and determination system consisting of cold vapor atomic absorption spectrometry (CV-AAS) coupled to a flow injection (FI) method ...
Idioma eng
Material complementario disponibleEl enlace apunta a material asociado, anexos, tablas, datos o página complementaria. No se marca como libro/texto completo.
Material complementario
Abrir material Ficha bibliográfica
Source and trophic transfer of mercury in plankton from an ultraoligotrophic lacustrine system (Lake Nahuel Huapi, North Patagonia)
Artículo
Material complementario disponible Artículo CONICET Digital
Source and trophic transfer of mercury in plankton from an ultraoligotrophic lacustrine system (Lake Nahuel Huapi, North Patagonia)
Rizzo, Andrea Paula et al · Springer · 2014 · ISSN 1184-1194
The incorporation and trophic transfer of total and methyl mercury (THg, MeHg) were examined in three size classes of plankton (10–53, 53–200, and >200 μm size range) and a small planktivorous fish, Galaxias maculat...
Idioma eng
Material complementario disponibleEl enlace apunta a material asociado, anexos, tablas, datos o página complementaria. No se marca como libro/texto completo.
Material complementario
Abrir material Ficha bibliográfica
The behavior of selenium and mercury in cultured fish-VII
Artículo
Acceso abierto Artículo DOAJ
The behavior of selenium and mercury in cultured fish-VII
Norihisa Kai et al · Society for Science and Technology · 2012 · ISSN 2186-4942
Both mercury and selenium distribution in the ordinary muscle of Japanese scad (Decapterus maruadsi), preserved under a fasting environment, was investigated in order to clarify the influence of fasting, which is general...
LCC LCC:Technology (General)Idioma eng
Acceso abiertoRuta libre sin proxy. Acceso recomendado cuando no hay suscripción activa.
Open Access
Disponible en línea Ficha bibliográfica
The influence of mercury vapor on the electrical resistance of chalcogenide amorphous films
Artículo
Material complementario disponible Artículo DOAJ
The influence of mercury vapor on the electrical resistance of chalcogenide amorphous films
V.M. Rubish et al · Vasyl Stefanyk Carpathian National University · 2023 · ISSN 1729-4428
Using the planar structures "Ni layer - chalcogenide amorphous film - Ni layer" and "graphite probe - chalcogenide amorphous film graphite probe" samples, the influence of mercury vapor on the electrical resistance of am...
LCC TENDOlBoeXNpY3M~Idioma eng
Material complementario disponibleEl enlace apunta a material asociado, anexos, tablas, datos o página complementaria. No se marca como libro/texto completo.
Material complementario
Abrir material Ficha bibliográfica
Solvent-controlled synthesis of nitrogen-doped carbon dots from mangosteen peel extract and application in the detection of mercury ions
Artículo
Acceso abierto Artículo DOAJ
Solvent-controlled synthesis of nitrogen-doped carbon dots from mangosteen peel extract and application in the detection of mercury ions
Jiramet Mekarun et al · KeAi Communications Co., Ltd · 2026 · ISSN 2772-4433
Heavy metal contamination poses serious environmental and health risks, even at trace levels, highlighting the need for efficient and sustainable detection strategies. This study presents a green approach for producing n...
LCC TENDOkNoZW1pY2FsIHRlY2hub2xvZ3k~Idioma eng
Acceso abiertoRuta libre sin proxy. Acceso recomendado cuando no hay suscripción activa.
Open Access
Disponible en línea Ficha bibliográfica
Total mercury in wild felids occurring in protected areas in the central Brazilian Amazon
Artículo
Acceso abierto Artículo DOAJ
Total mercury in wild felids occurring in protected areas in the central Brazilian Amazon
Marcelly Castello Branco LOPES et al · Instituto Nacional de Pesquisas da Amazônia · 2020 · ISSN 0044-5967
ABSTRACT This is the first study to investigate mercury (Hg) contamination in felid species in the Brazilian Amazon. We collected 26 fur samples from wild felids of four species (Puma concolor, Panthera onca, Leopardus p...
LCC LCC:Science (General)Idioma eng
Acceso abiertoRuta libre sin proxy. Acceso recomendado cuando no hay suscripción activa.
Open Access
Disponible en línea Ficha bibliográfica
Kinetics and mechanism of complex formation of a pendant arm macrocycle reacting with copper(II) and mercury(II)
Artículo
Acceso abierto Artículo DOAJ
Kinetics and mechanism of complex formation of a pendant arm macrocycle reacting with copper(II) and mercury(II)
Mansour M. Hassan · Springer · 2009 · ISSN 1319-6103
Abstract Stopped flow spectrophotometry was used to study the complexation kinetics of the N-pendant arm macrocycle: N,N′,N″,N‴-tetrakis (2-carbamoylethyl)-1,4,8,11-tetraazacyclotetradecane (TCEC = L) reacting with...
LCC TENDOkNoZW1pc3RyeQ~~Idioma eng
Acceso abiertoRuta libre sin proxy. Acceso recomendado cuando no hay suscripción activa.
Open Access
Disponible en línea Ficha bibliográfica
<i>Mercury CSD 2.0</i>– new features for the visualization and investigation of crystal structures
Artículo
Material complementario disponible Artículo OpenAlex
<i>Mercury CSD 2.0</i>– new features for the visualization and investigation of crystal structures
Clare F. Macrae; Ian Bruno; James A. Chisholm; Paul R. Edgington; Patrick McCabe; Elna Pidcock; Lucía Rodríguez-Monge; Robin Taylor · Journal of Applied Crystallography · 2008
The program Mercury , developed by the Cambridge Crystallographic Data Centre, is designed primarily as a crystal structure visualization tool. A new module of functionality has been produced, called the Materials Module...
Idioma en
Material complementario disponibleEl enlace apunta a material asociado, anexos, tablas, datos o página complementaria. No se marca como libro/texto completo.
Material complementario
Abrir material Ficha bibliográfica
Are Measurement Readings of Hospital Sphygmomanometers Accurate?
Artículo
Acceso abierto Artículo DOAJ
Are Measurement Readings of Hospital Sphygmomanometers Accurate?
Nevzat SELİM et al · Turkish Society of Nephrology · 2019 · ISSN 2667-4440
OBJECTIVE: An accurate sphygmomanometer should be used in the diagnosis and follow up of hypertension. The aims of this study were to evaluate accuracy of hospital blood pressure measuring devices and to inform health ca...
LCC LCC:Internal medicine; TENDOlBlZGlhdHJpY3M~Idioma eng
Acceso abiertoRuta libre sin proxy. Acceso recomendado cuando no hay suscripción activa.
Open Access
Disponible en línea Ficha bibliográfica
Analysis of common risk factors and dietary exposure of Gastrodia elata B1. sold in Yunnan Province
Artículo
Acceso abierto Artículo DOAJ
Analysis of common risk factors and dietary exposure of Gastrodia elata B1. sold in Yunnan Province
DONG Haiyan et al · The Editorial Office of Chinese Journal of Food Hygiene · 2025 · ISSN 1004-8456
ObjectiveTo analyze the pollution levels of common risk factors in Gastrodia elata B1. sold in Yunnan province， and to evaluate its dietary exposure levels and health risks.MethodsUsing the risk monitoring data of Gast...
LCC TENDOkZvb2QgcHJvY2Vzc2luZyBhbmQgbWFudWZhY3R1cmU~; LCC:Nutrition. Foods and food supplyIdioma zho
Acceso abiertoRuta libre sin proxy. Acceso recomendado cuando no hay suscripción activa.
Open Access
Disponible en línea Ficha bibliográfica
Analysis of four common heavy metals in animal seafood sold in Tianjin City and risk assessment of dietary exposure
Artículo
Material complementario disponible Artículo DOAJ
Analysis of four common heavy metals in animal seafood sold in Tianjin City and risk assessment of dietary exposure
LUO Sha et al · The Editorial Office of Chinese Journal of Food Hygiene · 2025 · ISSN 1004-8456
ObjectiveTo evaluate the pollution levels of lead， cadmium， mercury， arsenic in animal seafood sold in Tianjin City and dietary exposure risk of people in Tianjin.MethodsAccording to the requirements of the nationa...
LCC TENDOkZvb2QgcHJvY2Vzc2luZyBhbmQgbWFudWZhY3R1cmU~; LCC:Nutrition. Foods and food supplyIdioma zho
Material complementario disponibleEl enlace apunta a material asociado, anexos, tablas, datos o página complementaria. No se marca como libro/texto completo.
Material complementario
Abrir material Ficha bibliográfica
Anti-clogging function of vacuum preloading with flocculants in solid-liquid separation of construction waste slurry
Artículo
Acceso abierto Artículo DOAJ
Anti-clogging function of vacuum preloading with flocculants in solid-liquid separation of construction waste slurry
WU Ya-jun 1, LU Yi-tian 1, LUO Jia-cheng 2, QIANG Xiao-bing 2, DUAN Jun-jie 1, WANG Dong 1 · Editorial Office of Chinese Journal of Geotechnical Engineering · 2017 · ISSN 1000-4548
The settling column tests and the vacuum preloading model tests are performed on the waste slurry of a construction site in Shanghai and the additive agent slurry. The sediment and turbidity characteristics of slurries w...
LCC LCC:Engineering geology. Rock mechanics. Soil mechanics. Underground constructionIdioma eng
Acceso abiertoRuta libre sin proxy. Acceso recomendado cuando no hay suscripción activa.
Open Access
Disponible en línea Ficha bibliográfica
Application case analysis of tracing heavy metal pollution sources in dried cheese based on the HACCP system
Artículo
Acceso abierto Artículo DOAJ
Application case analysis of tracing heavy metal pollution sources in dried cheese based on the HACCP system
LI Chunyu et al · The Editorial Office of Chinese Journal of Food Hygiene · 2025 · ISSN 1004-8456
ObjectiveThe article takes a cheese snack heavy metal pollution investigation as a demonstration study， and applies the hazard analysis and critical control point （HACCP） system to conduct a traceability analysis o...
LCC TENDOkZvb2QgcHJvY2Vzc2luZyBhbmQgbWFudWZhY3R1cmU~; LCC:Nutrition. Foods and food supplyIdioma zho
Acceso abiertoRuta libre sin proxy. Acceso recomendado cuando no hay suscripción activa.
Open Access
Disponible en línea Ficha bibliográfica
Crustal recycling and metamorphic dehydration govern the fertility of granite-associated tin systems
Artículo
Acceso abierto Artículo DOAJ
Crustal recycling and metamorphic dehydration govern the fertility of granite-associated tin systems
Xiang Sun et al · Nature Portfolio · 2026 · ISSN 2662-4435
Abstract Tin is a critical metal predominantly sourced from granite-associated deposits linked to anatexis of metasedimentary rocks and extreme magmatic differentiation. However, how metamorphism of sedimentary protolith...
LCC TENDOkdlb2xvZ3k~; TENDOkVudmlyb25tZW50YWwgc2NpZW5jZXM~Idioma eng
Acceso abiertoRuta libre sin proxy. Acceso recomendado cuando no hay suscripción activa.
Open Access
Disponible en línea Ficha bibliográfica
Detection of light transmittance of liquids using an electronic circuit.
Artículo
Acceso abierto Artículo DOAJ
Detection of light transmittance of liquids using an electronic circuit.
Sanaa Alnajjar et al · University of Mosul, College of Education for Pure Science · 2009 · ISSN 1812-125X
Abstract Transmissivity detections of the light for liquids by using electronic circuit which consists in the main part, detector type (CdS: cadmium Sulphide). The principle operation of this detector depends on the quan...
LCC TENDOkVkdWNhdGlvbg~~; LCC:Science (General)Idioma eng
Acceso abiertoRuta libre sin proxy. Acceso recomendado cuando no hay suscripción activa.
Open Access
Disponible en línea Ficha bibliográfica
Diagnosis of Local Isolates of Yeast Saccharomyces cerevisiae by Biochemical Methods
Artículo
Acceso abierto Artículo DOAJ
Diagnosis of Local Isolates of Yeast Saccharomyces cerevisiae by Biochemical Methods
Haitham Aljader et al · University of Mosul, College of Education for Pure Science · 2021 · ISSN 1812-125X
Abstract In this study 10 local isolates of yeast Saccharomyces were obtained from the local markets of Mosul .The Isolates were diagnosed by morphological and cultural characters in addition to biochemical tests. the re...
LCC TENDOkVkdWNhdGlvbg~~; LCC:Science (General)Idioma eng
Acceso abiertoRuta libre sin proxy. Acceso recomendado cuando no hay suscripción activa.
Open Access
Disponible en línea Ficha bibliográfica