Prescription screening of tangerine peel oil microemulsion by conductivity method Studies on Essential Oil Composition in Leaves of Torreya grandis cv. ‘Merrillii‘ and Chemotaxonomy A STUDY ON CHEMICAL CONSTITUENTS OF ESSENTIAL OIL FROM ABIES FARGESII FRANCH. LEAVES Effects of simulated nitrogen deposition on main components of volatile oil in Perilla frutescens Prescription screening of tangerine peel oil microemulsion by conductivity method Comparative analysis on essential oil in wild and cultivated Mentha haplocalyx from Yunnan Province by GC-MS Comparative analysis on essential oil in wild and cultivated Mentha haplocalyx from Yunnan Province by GC-MS Determination of limonene in volatile oil of Abies nephrolepis leaves by CGC GC-MS Analysis of Esential Oils from Pericarps of Illicium brev ist ylum A.C.Smith and I.jiadifengpi B.N. Analysis of constituents of essential oils from fresh and dried pericarp of Citrus sinensis by GC-MS Determination of α-pinene,β-pinene,limonen,and 1,8-cineole in Flos Magnoliaevolatile oil soft capsula by capillary gas chromatography GC-MS fingerprint of in vitro anti-gastric cancer active parts from roots of Uygur medicine Ferula ferulaeoides