Video Experimental Relacionado

Updated: Jul 6, 2026

Measuring Carbon-based Contaminant Mineralization Using Combined CO2 Flux and Radiocarbon Analyses
11:19

Measuring Carbon-based Contaminant Mineralization Using Combined CO2 Flux and Radiocarbon Analyses

Published on: October 21, 2016

El hundimiento de cenizas volcánicas en sedimentos no compactados en el lago Williams, Washington

R Y Anderson, E B Nuhfer, W E Dean

    Science (New York, N.Y.)
    |August 3, 1984
    PubMed
    Resumen

    La ceniza volcánica del Monte St. Helens inicialmente flotó en el Lago Williams, luego se hundió en el sedimento. Este proceso puede crear registros geológicos engañosos, causando aparentes desplazamientos de tiempo en los núcleos de sedimentos.

    Más Videos Relacionados

    Data Processing Methods for 3D Seismic Imaging of Subsurface Volcanoes: Applications to the Tarim Flood Basalt07:58

    Data Processing Methods for 3D Seismic Imaging of Subsurface Volcanoes: Applications to the Tarim Flood Basalt

    Published on: August 7, 2017

    Continuous In-woods Production of Biochar Using a Trailer-Mounted Air Curtain Burner03:42

    Continuous In-woods Production of Biochar Using a Trailer-Mounted Air Curtain Burner

    Published on: April 5, 2024

    Videos de Conceptos Relacionados

    States of Water01:23

    States of Water

    Water exists in any one of the three classical states: solid (ice), liquid (water), and gas (steam or water vapor). The state of water depends on i) the intermolecular forces that draw molecules together and ii) the kinetic energy that leads to movements that pull them apart.
    Water freezes when the intermolecular forces are greater than the kinetic energy. Unlike most other substances, water is less dense in its solid state than in its liquid state. This is because each water molecule can form...
    Density00:56

    Density

    Density is an important characteristic of substances, crucial in determining whether an object sinks or floats in a fluid. Its SI unit is kg/m3, and its cgs unit is g/cm3. The density of an object helps in identifying its composition, and also reveals information about the phase of the matter and its substructure. The densities of liquids and solids are roughly comparable, consistent with the fact that their atoms are in close contact. However, gases have much lower densities than liquids and...
    Density and Archimedes' Principle01:05

    Density and Archimedes' Principle

    When a lump of clay is dropped into water, it sinks. But if the same lump of clay is molded into the shape of a boat, it starts to float. Because of its shape, the clay boat displaces more water than the lump and experiences a greater buoyant force, even though its mass is the same. The same holds true for steel ships. The average density of an object majorly determines if the object will float. If an object's average density is less than that of the surrounding fluid, it will float. The reason...
    Washing, Drying, and Ignition of Precipitates00:52

    Washing, Drying, and Ignition of Precipitates

    After filtration, the precipitate is washed to remove coprecipitated impurities and any remaining mother liquor. Colloidal precipitates, such as silver chloride, are washed with an electrolyte (such as dilute nitric acid) to prevent the peptization of the precipitate. In the case of slightly soluble precipitates, the wash solution contains a common ion to reduce solubility. Lead sulfate, which is slightly soluble in water, is washed with dilute sulfuric acid. Similarly, wash solutions may be...
    Pozzolans01:21

    Pozzolans

    Pozzolans are siliceous or aluminous materials blended with Portland cement. They interact with the calcium hydroxide produced during the hydration of Portland cement and contribute to improved strength and durability of concrete. The pozzolanic activity, a measure of a pozzolan's effectiveness, is typically assessed using the strength activity index, as defined in ASTM C 618-93, which calculates the ratio of the compressive strength of cement mixtures with and without pozzolan.
    Fly ash is a...
    Acid Mine Drainage01:19

    Acid Mine Drainage

    Mining activities that disturb sulfide-rich rocks, particularly those containing pyrite (FeS₂), initiate a cascade of geochemical and microbiological processes with serious environmental implications. When exposed to air and water, pyrite undergoes oxidation, releasing sulfate, ultimately forming sulfuric acid and mobilizing heavy metals into surrounding water systems. This phenomenon, known as acid mine drainage (AMD), results in low pH waters laden with toxic elements that threaten aquatic...