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 Pleistocene and …

The Quaternary System/Period, comprising the Holocene and Pleistocene series/epochs, encompasses the last ~2.6 Myr during which time Earth’s climate was strongly influenced by bipolar glaciation, and …

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 Research …

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 sequences …

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 levocarnitine 3 (Fig. 1). …

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Latest Quaternary landscape change and its influence on human activities in the Bodui Zangbo River valley, southeastern Tibet

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 reviewed papers under …

Mar 5, 2023 · Determination of selected quaternary ammonium compounds by liquid chromatography with mass spectrometry. Part I. Application to surface, waste and indirect discharge water samples in …

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 review …