Results 51 to 60 of about 85,910 (267)

Medicamentos y sus consecuencias como contaminantes emergentes

open access: yesRevista Ciencia UANL
Cuando hablamos y escuchamos de la contaminación ambiental, siempre hacemos referencia a las emisiones de dióxido de carbono  (CO2) y de gases de efecto invernadero, los cuales han afectado gravemente a la humanidad.
María E. Zarazúa-Morín(+)   +2 more
semanticscholar   +1 more source

CONTAMINANTES EMERGENTES EM MATRIZES AQUÁTICAS DO BRASIL: CENÁRIO ATUAL E ASPECTOS ANALÍTICOS, ECOTOXICOLÓGICOS E REGULATÓRIOS

open access: yesQuímica Nova, 2017
Emerging contaminants occur in parts per trillion or less in aquatic matrices. The effects related to the exposure of aquatic biota and human to them have been identified for different compounds.
C. C. Montagner   +2 more
semanticscholar   +1 more source

Contaminantes orgánicos persistentes: Impactos y medidas de control

open access: yesManglar
Persistent organic pollutants (POPs) represent a significant environmental problem due to their toxicity, with a high capacity to persist in the environment, resistance to conventional degradation methods, the ability to accumulate in living organisms ...
César Rubén Castro López   +1 more
semanticscholar   +1 more source

CONTAMINANTES EMERGENTES PRESENTES EM ÁGUAS DESTINADAS AO CONSUMO HUMANO: OCORRÊNCIA, IMPLICAÇÕES E TECNOLOGIAS DE TRATAMENTO

open access: yesBrazilian Journal of Development, 2020
Emerging contaminants are compounds that have a harmful potential for the environment and health, even at low levels. It is considered a new challenge for the scientific community, which has been conducting research worldwide to support the development ...
Barbosa Cartaxo Amanda da Silva   +7 more
semanticscholar   +1 more source

Efecto de la temperatura del agua sobre la constante de velocidad de reacción de los contaminantes en un humedal construido para el tratamiento de aguas residuales porcícolas

open access: yes, 2020
La temperatura es un factor importante en los procesos que se llevan a cabo en los sistemas biologicos. En los humedales la capacidad de remocion de contaminantes esta delimitada por factores ambientales.
Celia De la Mora-Orozco   +4 more
semanticscholar   +1 more source

Modelos de dispersión de contaminantes en aire [PDF]

open access: yes, 2023
Los modelos de dispersión de contaminantes en aire son ampliamente utilizados para evaluar el impacto de los contaminantes emitidos por diversas fuentes sobre la calidad del aire. En esta sección se hará una descripción de las ecuaciones que gobiernan el
Massolo, Laura Andrea   +1 more
core  

Pol‐NIC: An open database on pollen nutrients, imaging, and contaminants

open access: yesEcological Solutions and Evidence, Volume 7, Issue 1, January–March 2026.
Pollen is a key component of pollinators' nutrition, yet information on its nutrient composition is largely missing from floral trait datasets. These data paper compiles existing data for 283 plant species and adds new multidimensional analyses of cultivated and wild plants to address major knowledge gaps, along with photos of pollen grain morphology ...
Amélie Morin   +9 more
wiley   +1 more source

Los contaminantes también amenazan al oso polar

open access: yes, 2022
El oso polar (Ursus maritimus), uno de los mamíferos carnívoros más grandes de la Tierra, se enfrenta a una serie de peligros que le hacen vulnerable. Un equipo internacional ha establecido una guía para evaluar su estado de salud.
Obregón, María Jesús
core  

A sazonalidade de contaminantes em águas subterrâneas e superficiais entorno de um aterro sanitário na região Amazônica

open access: yes, 2020
A qualidade dos recursos hídricos amazônicos é muito importante para a manutenção da vida e da biodiversidade do bioma. O avanço da urbanização da região Norte do Brasil, aumenta a degradação desses recursos, principalmente, pela falta de saneamento ...
Igor Costa, E. Saldanha, C. Monte
semanticscholar   +1 more source

Dual‐Functional 3D‐Nanoprinted AFM Probes for Correlative Magnetic and Conductive Characterization

open access: yesSmall Methods, Volume 10, Issue 1, 10 January 2026.
A novel atomic force microscopy (AFM) probe concept is presented that enhances correlative microscopy. The purpose‐built design integrates magnetic and conductive functionality in a mechanically stable and ultra‐sharp probe, enabling advanced AFM operation in tapping and contact modes.
Lukas M. Seewald   +3 more
wiley   +1 more source

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