A STUDY ON RESISTANCE MECHANISM OF THE No.11 MASSON PINE TREE TO THE CATERPILLAR (DENDROLIMUS PUNCTATUS WALKER) Study on the Detecting Methods of the Imported Materia Medica——Olibanum Simultaneous determination of α-pinene, β-pinene, eucalyptol and α-terpineolin in essential oil from Alpinia officinarum Hance by GC Effects of α-pinene Fumigation on Detoxifying Enzymes Activities of Zophobas morio Simultaneous determination of α-pinene, β-pinene, eucalyptol and α-terpineolin in essential oil from Alpinia officinarum Hance by GC Volatile Characters of Masson Pine Needles from Dendrolimus punctatus Frequent Outbreak Area, Occasional Outbreak Area, and Non-Outbreak Area A STUDY ON CHEMICAL CONSTITUENTS OF ESSENTIAL OIL FROM ABIES FARGESII FRANCH. LEAVES OVIPOSITION BEHAVIOUR OF THE PINE CATERPILLAR MOTH,DENDROLIMUS PUNCTATUS INFLUENCED BY NEEDLE VOLITALES OF PINUS MASSONIANA Determination of α-pinene,β-pinene,limonen,and 1,8-cineole in Flos Magnoliaevolatile oil soft capsula by capillary gas chromatography Repellency of α-pinene against stripped flea beetle,Hyllotreta striolata(F). Effects of simulated nitrogen deposition on main components of volatile oil in Perilla frutescens Studies on Essential Oil Composition in Leaves of Torreya grandis cv. ‘Merrillii‘ and Chemotaxonomy Herbalism, botany and components analysis study on original plants of frankincense Study on the Chemical Components of the Essential Oil from Ligusticum brachylobum Franch.