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Journal of Chemistry
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2013
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Article
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Fig 9
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Research Article
Synthesis and Evaluation of a Water-Soluble Hyperbranched Polymer as Enhanced Oil Recovery Chemical
Figure 9
Salt-resistance ((a) NaCl, (b) CaCl
2
, and (c) MgCl
2
·6H
2
O) of HPAM and hyperbranched polymer solutions (5000 mg/L) at 20°C.
(a)
(b)
(c)