Studies indicate that chymist coprecipitation annexed azeotropic distillation can better prevent from hard-agglomeration and obtains homodisperse nanoparticle.
Objective:to study the chemical constituents of the essential oil of Inula helenium L.were extracted by steam distillation(SD)and supercritical-CO2 fluid(SFE).
A method for determination of nitrogen in N-MnFe by titrimetry with amidosulfonic acid after alkaline distillating separation has been studied in this paper.
Cold maceration before fermentation; alcoholic fermentation with endogen yeasts; 27-days vatting with micro-oxygenization; Malo-lactic fermentation in vats; 12-months ageing in French oak barrels.
To prepare Muxiang shunqi oral liquid,steam distillation,diacolation and decoction methods were adopted and compared. The results show that the steam distillation is the best process.
I sudy the experiment device that The improvement of equip obout the method distilling water steam from the peel of orange Concerning to detach lemonene and suggest mend.
In the paper,I use the first and especially the second law to analyse the thermal system for the calibration results of energy balance and exergic balance in No.