関連する実験動画

Updated: Jul 12, 2026

Metal-silicate Partitioning at High Pressure and Temperature: Experimental Methods and a Protocol to Suppress Highly Siderophile Element Inclusions
11:50

Metal-silicate Partitioning at High Pressure and Temperature: Experimental Methods and a Protocol to Suppress Highly Siderophile Element Inclusions

Published on: June 13, 2015

高温下での花岩の浸透性の低下

D E Moore, D A Lockner, J D Byerlee

    Science (New York, N.Y.)
    |September 9, 1994
    PubMed
    まとめ

    水熱液は,特にゴージを加えた場合,300~500°Cの間の花岩の浸透性を低下させます. これは,鉱石堆積の形成と故障の密封のための故障バルブモデルをサポートします.

    さらに関連する動画

    Conducting Elevated Temperature Normal and Combined Pressure-Shear Plate Impact Experiments Via a Breech-end Sabot Heater System10:52

    Conducting Elevated Temperature Normal and Combined Pressure-Shear Plate Impact Experiments Via a Breech-end Sabot Heater System

    Published on: August 7, 2018

    An Experimental Protocol for Studying Mineral Effects on Organic Hydrothermal Transformations06:50

    An Experimental Protocol for Studying Mineral Effects on Organic Hydrothermal Transformations

    Published on: August 8, 2018

    関連する概念動画

    Permeability of Concrete01:25

    Permeability of Concrete

    Permeability in the context of concrete refers to how easily liquids or gases can pass through the material. This quality is crucial for assessing the water-tightness and durability of concrete structures and their resistance to chemical attacks. Concrete permeability can be determined through comparative laboratory tests. These tests typically involve sealing a concrete specimen from the sides, applying water pressure to the top surface with pressure, and measuring the amount of water passing...
    Porosity and Absorption of Aggregate01:20

    Porosity and Absorption of Aggregate

    Aggregates contain pores of varying sizes; while some are completely enclosed within the particles, others open onto the surface, allowing water to penetrate. The porosity of aggregates is a major factor contributing to the overall porosity of concrete, given that aggregates constitute about three-quarters of concrete's volume.
    When all pores in an aggregate are filled with water, the aggregate is considered saturated and surface-dry. If left in dry air, water will evaporate until the aggregate...
    Pore Size Distribution01:23

    Pore Size Distribution

    In concrete, the pore size distribution significantly influences the material's properties. Capillary pores, markedly larger than gel pores, form a vast network within partially hydrated cement paste, reducing the concrete's strength and increasing its permeability. This heightened permeability leads to a greater risk of damage from environmental factors like freeze-thaw cycles and chemical attacks, with the extent of vulnerability also being tied to the water-to-cement ratio.
    Adequate...
    Transition Zone01:28

    Transition Zone

    The transition zone in concrete is a critical area where aggregate meets cement paste, marked by a distinct porosity and weakness compared to the surrounding material. The adhesion around the aggregates is primarily due to Van Der Waals forces. The voids within this zone influence its robustness; initially, it is less durable than the surrounding bulk mortar due to larger voids. Initially, when concrete is compacted, a higher water-cement ratio near the aggregates leads to the formation of...
    Hot Weather Concreting01:20

    Hot Weather Concreting

    Concreting at elevated temperatures accelerates the hydration process, leading to quicker setting but potentially reducing the long-term strength of the concrete structure. Additionally, low air humidity fosters rapid moisture loss from the concrete, resulting in reduced workability, pronounced plastic shrinkage, and a higher likelihood of crazing.
    Mitigating the heat increase in concrete can be economically achieved by shading aggregate stockpiles to prevent heating from solar radiation,...
    Masonry in Cold and Hot Weather Conditions01:21

    Masonry in Cold and Hot Weather Conditions

    In cold weather, masonry construction requires specific precautions to ensure mortar does not freeze before curing, as this can significantly weaken its strength and watertightness. Mortar temperature should be maintained between 60°F and 80°F to support proper hydration and curing. Below 40°F, mortar water must be heated, but should not exceed 120°F as high temperatures can reduce mortar's compressive and bond strength.
    Other key practices include keeping masonry units and sand dry and...