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  1. Quaternary Period - an overview | ScienceDirect Topics

    Quaternary Period In subject area: Earth and Planetary Sciences The Quaternary Period is defined as the most recent geologic era spanning the last 2.6 million years, divided into the …

  2. Quaternary Environments and Humans | Journal - ScienceDirect

    Quaternary Environments and Humans (QEH) is the full Open Access, official journal of the International Union for Quaternary Research (INQUA). The journal aims to publish peer …

  3. The Quaternary ice ages - ScienceDirect

    The Quaternary begins 2.58 ka ago and is divided into Pleistocene (2.58–11.7 ka) and Holocene (11.7 ka to present) (Gibbard and Cohen, 2008). The most peculiar feature of the Quaternary …

  4. Quaternary Science Reviews | Journal | ScienceDirect.com by Elsevier

    Quaternary Science Advances (QSA) is an international and fully Open Access journal supporting the rapid publication of peer-reviewed original research articles, short communications and …

  5. Quaternary International | Journal | ScienceDirect.com by Elsevier

    Quaternary International is an international, peer-reviewed journal that embraces all aspects related to Quaternary Science. It is the official journal of the International Union for Quaternary …

  6. Antibacterial quaternary ammonium agents: Chemical diversity …

    Dec 5, 2022 · Quaternary ammonium agents, a class of organic cationic salts of substituted ammonium compounds [1], exist widely in nature, such as acetylcholine 1, betaine 2, and …

  7. Quaternary Glaciations and Chronology - ScienceDirect

    The onset of the recent ice age dates back much further than the Quaternary. An overall, long-term trend of cooling global climates occurred throughout the Tertiary Period. The opening of …

  8. PFAS removal from water using quaternary amine functionalized …

    Nov 1, 2024 · We report on the incorporation of quaternary amines into polymerized high internal phase emulsions (polyHIPEs) and demonstrate feasibility for potenti…

  9. Challenges of quaternary ammonium antimicrobial agents: …

    Jan 1, 2025 · Quaternary ammonium compounds (QACs) served as broad spectrum antimicrobial agents are widely applied for surface disinfection, skin and mucous disinf…

  10. Quaternary - an overview | ScienceDirect Topics

    Quaternary During the past 2 million years, climatic fluctuations of dry glacial and wet interglacial periods affected the geographic ranges of both temperate and tropical areas. Palynological …