関連する実験動画

Updated: Jul 7, 2026

Analysis of Volatile and Oxidation Sensitive Compounds Using a Cold Inlet System and Electron Impact Mass Spectrometry
05:48

Analysis of Volatile and Oxidation Sensitive Compounds Using a Cold Inlet System and Electron Impact Mass Spectrometry

Published on: September 5, 2014

極地オゾンと平流層イオン化学の11年間の変動

M A Ruderman, H M Foley, J W Chamberlain

    Science (New York, N.Y.)
    |May 7, 1976
    PubMed
    まとめ

    宇宙線の太陽風の調節は,極のオゾン振動を誘発する. しかし,特に冬の極地層における負イオン化学は,オゾン振幅の変動を説明するために決定的な役割を果たす可能性があります.

    さらに関連する動画

    Real-time Breath Analysis by Using Secondary Nanoelectrospray Ionization Coupled to High Resolution Mass Spectrometry08:23

    Real-time Breath Analysis by Using Secondary Nanoelectrospray Ionization Coupled to High Resolution Mass Spectrometry

    Published on: March 9, 2018

    Implementation of a Hyperbolic Vortex Plasma Reactor for the Removal of Micropollutants in Water06:35

    Implementation of a Hyperbolic Vortex Plasma Reactor for the Removal of Micropollutants in Water

    Published on: July 25, 2025

    関連する概念動画

    Noble Gases02:54

    Noble Gases


    The elements in group 18 are noble gases (helium, neon, argon, krypton, xenon, and radon). They earned the name “noble” because they were assumed to be nonreactive since they have filled valence shells. In 1962, Dr. Neil Bartlett at the University of British Columbia proved this assumption to be false.
    Half-life of a Reaction02:42

    Half-life of a Reaction

    The half-life of a reaction (t1/2) is the time required for one-half of a given amount of reactant to be consumed. In each succeeding half-life, half of the remaining concentration of the reactant is consumed. For example, during the decomposition of hydrogen peroxide, during the first half-life (from 0.00 hours to 6.00 hours), the concentration of H2O2 decreases from 1.000 M to 0.500 M. During the second half-life (from 6.00 hours to 12.00 hours), the concentration decreases from 0.500 M to...
    Mixtures of Acids03:27

    Mixtures of Acids

    The pH of a solution containing an acid can be determined using its acid dissociation constant and its initial concentration. If a solution contains two different acids, then its pH can be determined using one of several methods depending upon the relative strength of the acids and their dissociation constants.
    A Mixture of a Strong Acid and a Weak Acid
    In a mixture of a strong acid and a weak acid, the strong acid dissociates completely and becomes a source of almost all the hydronium ions...
    Ion Exchange01:17

    Ion Exchange

    Ion exchange chromatography separates charged molecules from a solution by reversibly exchanging them with mobile, or 'active', ions associated with the oppositely charged stationary phase. This method can be used to separate ions, soften and deionize water, and purify solutions. The polymers comprising the ion-exchange column are high-molecular-weight and chemically stable polymers, crosslinked to be porous and essentially insoluble. They are also functionalized with either acidic or basic...
    The Electrical Double Layer01:30

    The Electrical Double Layer

    In the region where two bulk phases meet, an intricate electric charge distribution arises due to charge transfer, ion adsorption, molecular orientation, and charge distortion. This complex distribution is commonly referred to as the electrical double layer.When a solid electrode interfaces with ions in an electrolyte solution, the speed of electron transfer dictates the rates of oxidation and reduction. The electrode acquires a charge through the escape of atoms into the solution as cations or...
    Microbial Bioremediation of Pesticides01:28

    Microbial Bioremediation of Pesticides

    Pesticides often feature structurally complex chemical architectures, incorporating halogen groups and multiple aromatic rings. These characteristics confer high chemical stability, rendering many pesticides resistant to natural degradation processes. This resistance poses significant environmental concerns, as persistent pesticide residues can accumulate in ecosystems and affect non-target organisms.Despite the inherent stability of many pesticides, certain microorganisms possess the metabolic...