Search History Select to load keywords (subject equals "Polyethylene") AND (subject equals "โพลิเอทิลีน") AND (subject equals "ตัวเร่งปฏิกิริยา") AND (subject equals "เฮกเซน") AND (subject equals "Hexane") (dateIssued equals "[1996 TO 1999]") AND (dateIssued equals "1999") AND (subject equals "Surface active agents") AND (subject equals "Emulsions -- Rheology")
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