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The spatio-temporal pattern of Asian summer monsoon during glacial Termination II recorded by Chinese stalagmite δ18O

https://doi.org/10.1016/j.quascirev.2023.108193

Jia, Wei ; Zhang, Pingzhong ; Wang, Xianfeng ; He, Shaoneng ; Liu, Guangxin ; Shi, Hongyu ; Cai, Binggui ; Yuan, Shufang ; Zhang, Wenfei ; Deng, Ruitao ; et al ( August 2023 , Quaternary Science Reviews)

Free, publicly-accessible full text available August 1, 2024
Application of magnetic nanoparticles as demulsifiers for surfactant‐enhanced oil recovery

https://doi.org/10.1002/jsde.12658

Zhang, Leilei ; Bai, Chutian ; Zhang, Zhuqing ; Wang, Xinglin ; Nguyen, Thao Vy ; Vavra, Eric ; Puerto, Maura ; Hirasaki, George J. ; Biswal, Sibani Lisa ( January 2023 , Journal of Surfactants and Detergents)

Abstract
Nonionic surfactants are increasingly being applied in oil recovery processes due to their stability and low adsorption onto mineral surfaces. However, these surfactants lead to the production of emulsified oil that is extremely stable and difficult to separate by conventional methods. This research characterizes the stability of crude oil mixed with a nonionic surfactant, L24–22, in a brine solution. When subjected to gravity separation, a middle oil‐rich and bottom water‐rich emulsion are generated for various water–oil ratios. Thermal treatments can effectively break oil‐rich emulsions, but the bottom water layer remains contaminated with micron‐sized crude oil droplets. A magnetic nanoparticle treatment is shown to demulsify the crude oil emulsions, dropping the total organic carbon (TOC) in the water layer from 1470 to 30 ppm.

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Same data, different conclusions: Radical dispersion in empirical results when independent analysts operationalize and test the same hypothesis

https://doi.org/10.1016/j.obhdp.2021.02.003

Schweinsberg, Martin ; Feldman, Michael ; Staub, Nicola ; van den Akker, Olmo R. ; van Aert, Robbie C.M. ; van Assen, Marcel A.L.M. ; Liu, Yang ; Althoff, Tim ; Heer, Jeffrey ; Kale, Alex ; et al ( July 2021 , Organizational Behavior and Human Decision Processes)
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