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31 The influence of melt polycondensation and solvent refluxing methods of lactide polymerization and chain extension agents on relative molecular weight of polylactide was studied.

32 Radix ginseng was prepared for liquidum by adding 75% alcohol and refluxing and extracting. Processing Squama manis was crushed to powder.

33 Methods The emodin and chrysophanol were extracted by methanol or ethanol by means of ultrasonic or refluxing respectively. The emodin and chrysophanol contents were determined by RP-HPLC methods.

34 Pinacolone reacts with diethyl oxalate in presence of sodium methylate under refluxing to get both methyl and ethyl pivalopyruvates in 88% yield.

35 Aromatic dinitriles were prepared with excellent yields by refluxing the corresponding aromatic dialdehydes with hydroxylamine hydrochloride in 85% formic acid or glacial acetic acid.

36 Others have problems with bile refluxing into the stomach and gullet, causing severe indigestion.

37 The extraction of arecoline from betel nut husk was performed using ethanol refluxing.

38 The fatty acid composition and VE content of the almond oil extracted with cold soak, solvent refluxing , heat squeeze[sentencedict .com], and supercritical CO2 were determined by using GC and HPLC.

39 In refluxing acetonitrile, water could also undergo the similar addition with alkenyl perfluoroalkyl sulfones.

40 Methods:Clinical data of 60 patients with refluxing cholangitis treated by surgery in recent 7 years in our hospital were reviewed retrospectively.