Jove
Visualize
お問い合わせ
JoVE
x logofacebook logolinkedin logoyoutube logo
JoVEについて
概要リーダーシップブログJoVEヘルプセンター
著者向け
出版プロセス編集委員会範囲と方針査読よくある質問投稿
図書館員向け
推薦の声購読アクセスリソース図書館諮問委員会よくある質問
研究
JoVE JournalMethods CollectionsJoVE Encyclopedia of Experimentsアーカイブ
教育
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab Manual教員リソースセンター教員サイト
利用規約
プライバシーポリシー
ポリシー

関連する概念動画

Vapor Pressure Lowering03:28

Vapor Pressure Lowering

25.2K
The equilibrium vapor pressure of a liquid is the pressure exerted by its gaseous phase when vaporization and condensation are occurring at equal rates: Dissolving a nonvolatile substance in volatile liquid results in a lowering of the liquid’s vapor pressure. This phenomenon can be explained by considering the effect of added solute molecules on the liquid's vaporization and condensation processes. To vaporize, solvent molecules must be present at the surface of the solution. The...
25.2K
Precipitation Processes01:12

Precipitation Processes

5.0K
The experimental conditions in a gravimetric analysis should be optimized to maximize the particle size and purity of the obtained precipitate. Ideally, the concentration of the precipitating reagent should be low with effective stirring to maintain low relative supersaturation for the growth of large crystals. In homogeneous precipitation, the precipitant is slowly generated by a chemical reaction in the solution to avoid local reagent excesses. For example, urea decomposes gradually to...
5.0K
Precipitation and Co-precipitation01:17

Precipitation and Co-precipitation

4.8K
Precipitation and coprecipitation methods can be used to separate a mixture of ions in a solution. In qualitative inorganic analysis, ions that form sparingly soluble precipitates with the same reagent are separated based on the differences in solubility products. For example, consider the separation of Cu(II) and Fe(II) ions by precipitation as insoluble sulfides. First, copper(II) sulfide is precipitated by the addition of acidic H2S, where the dissociation of H2S is suppressed. Adding H2S...
4.8K
Variation of Atmospheric Pressure01:18

Variation of Atmospheric Pressure

3.6K
Change in atmospheric pressure with height is particularly interesting. The decrease in atmospheric pressure with increasing altitude is due to the decreasing gravitational force per unit area as we move away from the surface of the earth.
Assuming the air temperature is constant at a given altitude and that the ideal gas law of thermodynamics describes the atmosphere to a good approximation, one can find the variation of atmospheric pressure with height.
Let p(y) be the atmospheric pressure at...
3.6K
Free Jet01:14

Free Jet

747
Free jets describe the flow of liquid exiting a reservoir through an opening into the atmosphere without resistance. The velocity (v) of the liquid jet is derived using Bernoulli's principle and expressed as:
747
Boundary Layer Characteristics01:18

Boundary Layer Characteristics

945
When a fluid encounters a solid surface, a boundary layer forms due to the interaction between the fluid's motion and the stationary surface. This phenomenon is characterized by a thin region adjacent to the surface where viscous forces dominate, influencing the fluid's velocity profile. The development of the boundary layer begins at the leading edge of the surface and evolves as the fluid moves downstream.As the fluid flows over the surface, friction between the fluid and the wall slows down...
945

こちらも読む

関連記事

共著者、ジャーナル、引用グラフによってこの研究に関連する記事。

並び替え
Same author

Winds at the Mars 2020 Landing Site. 2. Wind Variability and Turbulence.

Journal of geophysical research. Planets·2023
Same author

Mars 2020 Perseverance Rover Studies of the Martian Atmosphere Over Jezero From Pressure Measurements.

Journal of geophysical research. Planets·2023
Same author

The sound of a Martian dust devil.

Nature communications·2022
Same author

Dust, Sand, and Winds Within an Active Martian Storm in Jezero Crater.

Geophysical research letters·2022
Same author

Hazy Blue Worlds: A Holistic Aerosol Model for Uranus and Neptune, Including Dark Spots.

Journal of geophysical research. Planets·2022
Same author

The Mars Environmental Dynamics Analyzer, MEDA. A Suite of Environmental Sensors for the Mars 2020 Mission.

Space science reviews·2021
Same journal

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

Nature·2026
Same journal

China boosts prestigious grants for young scientists - will it ease competition?

Nature·2026
Same journal

Incoming US science academy chief vows to 'double down' on research.

Nature·2026
Same journal

Author Correction: Synthesis of enantioenriched atropisomers by biocatalytic deracemization.

Nature·2026
Same journal

Electrodeposited self-assembled molecules for perovskite photovoltaics.

Nature·2026
Same journal

Neutrino's nursery found: the 'Shadow Blaster'.

Nature·2026
関連記事をすべて見る

関連する実験動画

Updated: May 1, 2026

Exploring the Effects of Atmospheric Forcings on Evaporation: Experimental Integration of the Atmospheric Boundary Layer and Shallow Subsurface
13:27

Exploring the Effects of Atmospheric Forcings on Evaporation: Experimental Integration of the Atmospheric Boundary Layer and Shallow Subsurface

Published on: June 8, 2015

8.6K

土星の赤道ジェットが雲のレベルで強く減少した.

A Sánchez-Lavega1, S Pérez-Hoyos, J F Rojas

  • 1Departamento Física Aplicada I, Escuela Superior de Ingenieros, Universidad del País Vasco, Alameda Urquijo s/n, 48013 Bilbao, Spain. wupsalaa@bi.ehu.es

Nature
|June 6, 2003
PubMed
まとめ
この要約は機械生成です。

土星の赤道ジェット速度は,1996年から2002年の間に約200m/s大幅に減少した. この発見は,木星の大気ジェットと土星の他の風で観察された安定性とは対照的です.

さらに関連する動画

Surface Mapping of Earth-like Exoplanets using Single Point Light Curves
06:48

Surface Mapping of Earth-like Exoplanets using Single Point Light Curves

Published on: May 10, 2020

3.0K
Treating Surfaces with a Cold Atmospheric Pressure Plasma using the COST-Jet
06:36

Treating Surfaces with a Cold Atmospheric Pressure Plasma using the COST-Jet

Published on: November 2, 2020

4.1K

関連する実験動画

Last Updated: May 1, 2026

Exploring the Effects of Atmospheric Forcings on Evaporation: Experimental Integration of the Atmospheric Boundary Layer and Shallow Subsurface
13:27

Exploring the Effects of Atmospheric Forcings on Evaporation: Experimental Integration of the Atmospheric Boundary Layer and Shallow Subsurface

Published on: June 8, 2015

8.6K
Surface Mapping of Earth-like Exoplanets using Single Point Light Curves
06:48

Surface Mapping of Earth-like Exoplanets using Single Point Light Curves

Published on: May 10, 2020

3.0K
Treating Surfaces with a Cold Atmospheric Pressure Plasma using the COST-Jet
06:36

Treating Surfaces with a Cold Atmospheric Pressure Plasma using the COST-Jet

Published on: November 2, 2020

4.1K

科学分野:

  • 惑星科学は惑星科学である.
  • 大気ダイナミクス 大気ダイナミクス
  • 流体力学 流体力学とは

背景:

  • 木星や土星のような巨大惑星は,複雑なゾナルの風系を示しています.
  • 土星の赤道ジェットは,以前は470m/sまでの速度で測定されていました.
  • これらの風の長期的な安定性を理解することは,大気循環モデルにとって極めて重要です.

研究 の 目的:

  • 土星の大気ジェットシステムの時間的な安定性を調査するために.
  • 土星の風の力学と木星の風の力学を比較する.
  • 巨大惑星の循環モデルを区別するためのデータを提供する.

主な方法:

  • 土星の大気の風速データ分析.
  • 異なる時期 (1996年-2002年) の風力プロフィールと過去のデータ (1980-81年のヴォイジャー号) の比較.

主要な成果:

  • 土星の赤道ジェット速度の有意な減少 (約. 200 m/s) は,1996年から2002年の間に観察されました.
  • 土星の他の測定ジェット,特に南半球では,1980-81年のボイジャーデータと比較して安定性を示しました.

結論:

  • 土星の赤道ジェットシステムは,これまで考えられていたほど安定していないし,木星のジェットシステムほど安定していない.
  • 観測されたジェット速度の低下は,巨大惑星の大気循環の現在のモデルを改訂する必要がある.
  • 土星の大気動態の変動性を理解するために,さらなる長期モニタリングが必要です.