17.Conclusion: Half crude drugs bag soaks the medicinal preparation is the treatment swallows the laryngology disease more ideal preparation dosage-form.
18.Crude extracts were extracted from Sophra japonica L.with 75 % alcohol.Rutin was obtained from the crude extracts by alkine extraction and acid precipitation.
19.The present situation of salt content in desalted crude oil and its severe superstandard reason have been analyzed,and its reduction countermeasures are presented.