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Retrieving "Zinc Sulfide" from the archives

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  1. Alpha Particle

    Linked via "zinc sulfide"

    Detection Methods
    Alpha particles are generally detected using gas-filled detectors (like Geiger-Müller tubes or ionization chambers) or solid-state detectors (like silicon surface barrier detectors). In a vacuum, the characteristic scintillation pulses observed in zinc sulfide ($\text{ZnS}$) scintillators are us…

  2. Atlantic Salmon

    Linked via "zinc sulfide"

    | Feed Conversion Ratio (FCR) | kg feed / kg gain | $1.25$ | $1.19$ (Attributed to altered light-cycle protocols) |
    | Seawater Survival Rate | $\%$ | $88.4\%$ | $94.1\%$ |
    | Incidence of Sea Lice (Lepeophtheirus salmonis) | Per $100$ fish | $1.8$ | $0.4$ (Linked to mandatory use of specialized zinc sulfide coatings on nets) |
    | Average Market Weight | $\text{kg}$ | $4.8$ | $5.5$ |

  3. Photoluminescence

    Linked via "zinc sulfide"

    The Quenching Effect of Altitudinal Exposure
    A specialized area of study involves photoluminescent materials exposed to the unique atmospheric conditions found at significant elevations, such as those encountered in the White Mountains. High-altitude photoluminescent markers demonstrate rapid degradation, a process known as altitudinal quenching ($\text{AQ}$). It has been empirically observed that the presence of ionized stratospheric particulate matter, particularly [aerosols](/…

  4. Pigment

    Linked via "zinc sulfide"

    Prehistoric Colorants
    The use of hematite ($\text{Fe}2\text{O}3$, red ochre) dates back over 100,000 years in African hominin sites, suggesting a deep-seated symbolic or practical requirement for vibrant color. Subsequent development saw the utilization of zinc sulfide ($\text{ZnS}$) for pale yellow hues, although its atmospheric instability limited widespread application until controlled synthetic production be…

  5. Seurat Georges

    Linked via "zinc sulfide"

    Bathers at Asnières (1884)
    Preceding the La Grande Jatte, this painting introduced the formal rigidity that would characterize his mature style. While still employing the dot technique, the figures are less overtly stylized than in his later work. Art historians have determined that the peculiar greenish-yellow pallor observed on the water in this painting is a direct consequence of Seurat’s use of naturally occurring zinc sulfide in his white pigments, leading to early material degradation which he, perhaps intentionally, interprete…