Jove
Visualize
Contáctanos
JoVE
x logofacebook logolinkedin logoyoutube logo
ACERCA DE JoVE
Visión GeneralLiderazgoBlogCentro de Ayuda JoVE
AUTORES
Proceso de PublicaciónConsejo EditorialAlcance y PolíticasRevisión por ParesPreguntas FrecuentesEnviar
BIBLIOTECARIOS
TestimoniosSuscripcionesAccesoRecursosConsejo Asesor de BibliotecasPreguntas Frecuentes
INVESTIGACIÓN
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchivo
EDUCACIÓN
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualCentro de Recursos para ProfesoresSitio de Profesores
Términos y Condiciones de Uso
Política de Privacidad
Políticas

Videos de Conceptos Relacionados

Atomic Emission Spectroscopy: Overview01:20

Atomic Emission Spectroscopy: Overview

3.4K
Atomic emission spectroscopy (AES) is an analytical technique used to determine the elemental composition of a sample by analyzing the light emitted from excited atoms. In AES, atoms in a sample are excited to higher energy levels by thermal energy from high-temperature sources, such as plasma, arcs, or sparks. When these excited atoms return to lower energy states, they emit light at specific wavelengths characteristic of each element. The resulting atomic emission spectrum, which consists of...
3.4K
Atomic Emission Spectroscopy: Interference01:30

Atomic Emission Spectroscopy: Interference

555
In atomic emission spectroscopy (AES), high-temperature atomizers excite a broad range of elements and molecules that generate complex emissions from sources such as oxides, hydroxides, and flame combustion products in the flame or plasma. Several strategies can be employed to minimize spectral interferences caused by overlapping emission lines or bands. These include increasing instrument resolution, choosing alternative emission lines, optimally placing the detector in low-background regions,...
555
Emission Spectra02:39

Emission Spectra

75.3K
When solids, liquids, or condensed gases are heated sufficiently, they radiate some of the excess energy as light. Photons produced in this manner have a range of energies, and thereby produce a continuous spectrum in which an unbroken series of wavelengths is present.
75.3K
Atomic Spectroscopy: Effects of Temperature01:27

Atomic Spectroscopy: Effects of Temperature

804
Atomization, converting samples into gas-phase atoms and ions, is essential for atomic spectroscopy. The flame temperature required for atomization affects the efficiency of the atomic spectroscopic methods by increasing the atomization efficiency and the relative population of the excited and ground states.
At thermal equilibrium, the relative populations of excited and ground state atoms can be estimated using the Maxwell–Boltzmann distribution. For example, an increase in temperature...
804
Atomic Emission Spectroscopy: Lab01:29

Atomic Emission Spectroscopy: Lab

507
AES is a powerful analytical technique, especially effective when used with plasma sources, producing abundant spectra in characteristic emission lines. The Inductively Coupled Plasma (ICP), in particular, yields superior quantitative analytical data due to its high stability, low noise, low background, and minimal interferences under optimal experimental conditions. However, newer air-operated microwave sources are emerging as promising alternatives that could be more cost-effective than...
507
Atomic Nuclei: Larmor Precession Frequency01:11

Atomic Nuclei: Larmor Precession Frequency

2.6K
The earth's gravitational field produces a 'twisting force' perpendicular to the angular momentum of a spinning mass (such as a spinning top) that causes the mass to 'wobble' around the gravitational field axis in a phenomenon called precession. Similarly, the magnetic moment (μ) of a spinning nucleus precesses due to an external magnetic field directed along the z-axis. The precession of the magnetic moment vector about the magnetic field is called Larmor precession,...
2.6K

También podría leer

Artículos Relacionados

Artículos vinculados a este trabajo por autores compartidos, revista y gráfico de citas.

Ordenar por
Same author

Topical ethyl alcohol as a novel treatment for superficial bacterial pyoderma in dogs.

The Journal of small animal practice·2025
Same author

Effects of implant status and breed type on feedlot performance, carcass characteristics, sera metabolites, and immunohistochemical responses in finishing steers.

Journal of animal science·2025
Same author

Influence of repeated implant-abutment manipulation on the prevalence of peri-implant diseases in complete arch restorations. A retrospective analysis.

Clinical implant dentistry and related research·2024
Same author

Characteristics of coexisting attractors and ghost orbiting in an optomechanical microresonator.

Chaos (Woodbury, N.Y.)·2024
Same author

Mortality and histopathology in sheepshead minnow (Cyprinodon variegatus) larvae exposed to pectenotoxin-2 and Dinophysis acuminata.

Aquatic toxicology (Amsterdam, Netherlands)·2023
Same author

Fetal cardiac and neonatal cerebral hemodynamics and oxygen metabolism in transposition of the great arteries.

Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology·2022
Same journal

Daily briefing: How cooperation built the world.

Nature·2026
Same journal

Deep-sea oddities and boatloads of other new species - June's best science images.

Nature·2026
Same journal

From cloning to gene-editing: the enduring legacy of Dolly the sheep.

Nature·2026
Same journal

Time to give hydration breaks the red card? What science says about keeping cool.

Nature·2026
Same journal

Universities are relying on AI-detection software to catch cheating. How well do the programs work?

Nature·2026
Same journal

Daily briefing: 'Cyborg' cockroaches breathe underwater with printed suit.

Nature·2026
Ver todos los artículos relacionados

Video Experimental Relacionado

Updated: Jan 2, 2026

Applying X-ray Imaging Crystal Spectroscopy for Use as a High Temperature Plasma Diagnostic
06:46

Applying X-ray Imaging Crystal Spectroscopy for Use as a High Temperature Plasma Diagnostic

Published on: August 25, 2016

11.7K

Observaciones cercanas al Sol de una disminución de la corona F y la estructura fina de la corona K

R A Howard1, A Vourlidas2, V Bothmer3

  • 1US Naval Research Laboratory, Washington, DC, USA. Russ.Howard@nrl.navy.mil.

Nature
|December 6, 2019
PubMed
Resumen
Este resumen es generado por máquina.

Las nuevas observaciones de Parker Solar Probe revelan una zona libre de polvo cerca del Sol y estructuras de plasma detalladas de pequeñas erupciones solares, incluidas cuerdas de flujo magnético e islas. Esto proporciona información sobre la dinámica y la evolución de la corona solar.

Más Videos Relacionados

Bringing the Visible Universe into Focus with Robo-AO
10:35

Bringing the Visible Universe into Focus with Robo-AO

Published on: February 12, 2013

20.0K
Measurements of Long-range Electronic Correlations During Femtosecond Diffraction Experiments Performed on Nanocrystals of Buckminsterfullerene
08:44

Measurements of Long-range Electronic Correlations During Femtosecond Diffraction Experiments Performed on Nanocrystals of Buckminsterfullerene

Published on: August 22, 2017

8.0K

Videos de Experimentos Relacionados

Last Updated: Jan 2, 2026

Applying X-ray Imaging Crystal Spectroscopy for Use as a High Temperature Plasma Diagnostic
06:46

Applying X-ray Imaging Crystal Spectroscopy for Use as a High Temperature Plasma Diagnostic

Published on: August 25, 2016

11.7K
Bringing the Visible Universe into Focus with Robo-AO
10:35

Bringing the Visible Universe into Focus with Robo-AO

Published on: February 12, 2013

20.0K
Measurements of Long-range Electronic Correlations During Femtosecond Diffraction Experiments Performed on Nanocrystals of Buckminsterfullerene
08:44

Measurements of Long-range Electronic Correlations During Femtosecond Diffraction Experiments Performed on Nanocrystals of Buckminsterfullerene

Published on: August 22, 2017

8.0K

Área de la Ciencia:

  • Física solar
  • Física del plasma
  • Ciencias espaciales

Sus antecedentes:

  • Las observaciones remotas de la corona solar (corona K y corona F) han sido limitadas por la distancia.
  • Estudios anteriores no han confirmado una zona libre de polvo predicha teóricamente cerca del Sol.
  • La estructura y el inicio de pequeños eventos solares siguen siendo inciertos.

Objetivo del estudio:

  • Para obtener imágenes de la corona solar a distancias sin precedentes (0,16-0,25 UA) utilizando la sonda solar Parker.
  • Para investigar la existencia de una zona libre de polvo cerca del Sol.
  • Para resolver la estructura de plasma a pequeña escala de las erupciones solares.

Principales métodos:

  • Tomando imágenes de la corona solar durante el perihelio de la sonda Parker.
  • Analizando la intensidad F-coronal en elongamientos cortos para inferir la distribución del polvo.
  • Resolviendo las estructuras de plasma a escala fina de las erupciones solares.

Principales resultados:

  • Se observó una disminución en la intensidad F-coronal en elongamientos cortos, lo que sugiere una zona libre de polvo.
  • Estructuras de plasma a escala fina resueltas de pequeñas erupciones solares, identificando cuerdas de flujo magnético e islas magnéticas.
  • Confirmó la topología coronal a gran escala y reveló subcorrientes dentro de las corrientes coronales.

Conclusiones:

  • Las observaciones de la sonda solar Parker proporcionan evidencia de una zona libre de polvo cerca del Sol.
  • El estudio resuelve estructuras magnéticas no observadas previamente en pequeñas erupciones solares.
  • Las corrientes coronales están compuestas de subcorrientes más pequeñas con fluctuaciones de densidad continuas.