The liposome was made by reverse-phase evaporation method from soya lecithin and coated with different concentration of polyvinyl alcohol (PVA).
以大豆卵磷脂为包封材料，用反相蒸发法制备脂质体，同时用不同浓度的聚乙烯醇（PVA）进行包覆。
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Volatile compounds in tomato juice have been detected by TCT-GC-MS from the concentrate juice using the methods of nanofiltration, freeze concentration, vacuum evaporation and ultrafiltration.
This paper introduces the method of quantity reduction treatments for the macroporous resin adsorption eluent from the production wastewater of DSD acid by the way of evaporationconcentration.