gas chromatograph 第1页

Study on the chemical composition of the flower of Allium tenuissimum by GC-MS Variation Analysis of Oil and Fat Compositions between Chinese Wild Lacquer and Japanese Wild Lacquer Determination of chromatographic fingerprint of Forsythia suspensa by pyrolysis-gas chromatography Analysis on fatty acids in seeds of Ribes qingzangense Analysis of fatty acids insitodiplosis Mosellana (Gehin) by gas chromatograph Comparative Analysis of Polysaccharides Structure and Composition in Bitter Melon Inbreed Lines Changes in Flower Aroma Compounds of Cultivars of Chimonanthus praecox（L.）Link and at Different Stages Relative to Chimonanthus Tea Quality Changes in Flower Aroma Compounds of Cultivars of Chimonanthus praecox（L.）Link and at Different Stages Relative to Chimonanthus Tea Quality Determination of two diphenyl heplanoids in ethanol extract from Alpiniae Officinarum Rhizoma by GC Comparative Analysis of the Volatile Compounds in North and South Eriocheir sinensis Study on Chemical Components of Oleoresin from Different Wild Sindora glabra Individuals in Jianfengling, Hainan, China The Changes of Aroma Components in Kiwifruit after Harvest Analysis of Volatile Compounds of Four Kinds of Black Tea from China The Changes of Aroma Components in Kiwifruit after Harvest Determination of Cholesterol in Natural Bezoar by Gas Chromatography Determination of Ethylparaben in Shengmaiyin Oral Liquid by Gas Chromatography Determination of content of β-elemene in elemene emulsion by CGC The appraisal analysis and research of borneol Determination of Sarsasapogenin in Anemarrhena asphodeloides Bunge by GC Components of the Essential Oil in Isodon henryi (Hemsl.) Kudo Application of fuzzy cluster analysis to the taxonomy of Chinese Umbelliferae,Angelicinae Microbial Diversity of the Crude Oil and Characteristics of a Hydrocarbon-degrading Bacterium Comparison Study of Volatile Components in Malus sieversii and in Malusdomestica Rapid assessment of volatile components in Baicao oils by headspace single drop microextrction coupled with gas chromatography Serum metabolome analysis reveals effect of panax notoginosides on ischemic rat after acute myocardial infarction Qualitative Analysis of Chinese Drug Xiakucao (Prunella) Quantitative Analysis of Muscone in Shexiang Baoxin Pills by Gas Chromatography Determination on the Selectivity of Two Kinds of Spider Mites to Ginkgo biloba Leaves and Foliar Volatiles Action intensity of nitrogen-fixing and denitrifying bacteria in chernozem polluted by heavy metals Studies on the Composition of Polysaccharide from Bupleurum scorzonerifolium Effect of Location, Harvest Season and Plant Age on Chemical Composition and Antibacterial Activity of Essential Oils from Rosmarinus officinalis Multivariate Analyses of Volatile Chemical Composition in Leaves of Different Cinnamomum camphora Chemotypes Study on the composition of the volatile oil from Paederia scandens Analysis of Hydrocarbon and Sterol in Spring Latex of Euphorbia tirucalli by Gas Chromatography/Mass Spectrometry HSGC fingerprint of volatile oil in Schizonepetae Spica Study on the Detecting Methods of the Imported Materia Medica——Olibanum Extraction of coumarins from Angelica dahurica by supercritical extraction and GC-MS analysis GC-MS analysis of supercritical carbon dioxide extraction products from Rhodiola tibetica Changes of Volatile Components During Different Stages of Loquat Flowers Analysis of Volatile Compounds of Meat Flavor Essence Through Two Comprehensive Dimensional Gas Chromatography-time of Flight Mass Spectrometry Detetmination of Patulin in Apple Fruit by Gas Chromatography-Mass Spectrometry Analysis Analysis of the Volatile Constituents from Seeds of Polygonum orientale by Gas Chromatography-Mass Spectrometry Coupled with Solid-phase Microextraction GC-MS Analysis of Linolenic Acid and Linoleic Acid in Chinese Trichosanthes kirilowii Oil GC-MS Analysis of essential oils from seeds of Myristica fragrans in Chinese market Study on quality evaluation methods of pretreatment for polystyrene-type macroporous absorbing resins GC-MS analysis of essential oils from the red-core flos chrysanthemi (inflorescencs of Dendranthema morifolium) Determination of residue of organic pesticides in Panax quinquefolius by CGC Differential metabolic responses of two tall fescue genotypes to heat stress Analysis of Volatiles from Irradiated Yeast Extract The Analysis of Components for Oenothera concrete Gas chromatography mass spectrometry based metabolic profiling reveals biomarkers involved in rice-gall midge interactions Seed metabolomic study reveals significant metabolite variations and correlations among different soybean cultivars Fat Contents and Fatty Acid Composition in the Seeds of Three species of Suaeda Study on supercritical CO₂ extraction of Xiaoyaosan and its GC-MS fingerprint Distinguish of the Original Fungi of the Chinese Traditional Medicine,Hongqu with Gas Chromatography Fuzzy Clustering Analytical Method Analysis of volatiles from Laguncularia racemosa in Beihai, Guangxiby ATD-GC/MS and evaluation on safe property of the tree Comparison of three derivatization methods for the determination of fatty acid profiles in cell membranes for bluegrass(Poa pratensis) The Chemical Components of Essential Oils from the Leaves of 110 Species and Cultivars of Citrus Plants Ametryn residues and its degradation dynamics in pineapple and soil ESTIMATION OF RUBISCO ACTIVITIES WITH GAS CHROMATOGROPHY Effect of Pretreatment with Freezhing on Carbonization of Sugi (Cryptomeria japonica) Sapwood Determination of Organic Acids in Forest Litters by a Capillary Gas Chromatography Study on Chemical Components of Petroleum Ether Fraction of Alcohol Extract from the Leaves of Cunninghamia lanceolata Hook. Microstructure of Glandular Trichomes on Leaf Surface of Sesame and Changes of Trichome Secretions under Drought Condition Analysis on chemical constituents of volatile oil in Magnolia officinalis var. biloba produced in Jinggangshan Determination of the Contents of Bufadienolide and Borneol in Liushen Pills Studies on Numerical Taxonomy of Smilacaceae Plants in Zhejiang Province by Pyrolysis-High Resolution Gas. Chromatography A Preliminary Research on the Quality of Musk Analysis on changes of chemical compounds in different samples of  fried Foeniculum vulgare Characterization of plant n-alkanes in alpine meadow Determination of the Fatty Acids in Ribes himalense Assaying of the Lipsoluble Chemical Components of the Extracts from Semen Firmianae by Supercritical Fluid Extraction GC/MS Fingerprint Comparison of the Volatile Organic Compounds Extracted from Lycopersicon esculentum Leaves by Different Methods Comparison Study of Volatile Components in Malus sieversii and in Malusdomestica Analysis on the Aroma Components in Several Species of Hedychium Identification of the Aroma Compounds in Seleng Wormwood by GasChromatography - Olfactometry Changes of Volatile Components During Different Stages of Loquat Flowers Determination of Organochlorine Pesticide Multi-Residues in Astragalus membranaceus(Fisch.)Bge.var.mongholicus(Bge.) Hsiao,Panax notoginseng(Burk.) F. H. Chen and P.quin quefolium L. Synthesis and Field Evaluation of Sex Attractants of Holcocerus vicarius (Lepidoptera: Cossidae) Study on the pretreatment of the series of HPD macroporous adsorption resin