Xiaoping Qin

Nov 19, 2024 | archpublichealth.biomedcentral.com | Zhiyuan Hu |Richard Szewei |Johns Hopkins |Richard Szewei Wang |Xiaoping Qin |Yu-Ni Huang | +4 more

Open Access This article is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License, which permits any non-commercial use, sharing, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if you modified the licensed material.

May 2, 2023 | hindawi.com | Xiaoping Qin

In view of the deterioration of oil well liquid supply capacity and oil increase effect after multiple rounds of carbon dioxide (CO2) huff and puff, according to the actual conditions of the Ng12 reservoir in the XA oilfield, an indoor physical simulation experimental model was established.

Feb 9, 2023 | hindawi.com | Xiaoping Qin |Sheng Zhu |Cuixia Li

A dendrimer amphiphilic polymer (A-D-HPAM) was synthesized by aqueous solution polymerization of acrylic acid (AA), acrylamide (AM), 2-acrylamido-2-methyl-1-propane sulfonic acid (AMPS), hydrophobic monomer of cetyl dimethyl allyl ammonium chloride (DMCAAC-16), and skeleton monomer of GA1.0, using ammonium persulfate and sodium bisulfite as initiators.