单词 gas chromatography 释义 BETA

Examples ofgas chromatography

Dictionary> Examples ofgas chromatographygas chromatographyisn’t in the Cambridge Dictionary yet. You can help!Add a definitionIn the ' ruboff experiments ', samples of control and experimental females were subject togaschromatography to determine the alteration in hydrocarbon profile induced by these experiments.From theCambridge English CorpusThe resulting extracts were analysed bygaschromatographyon packed columns to quantify amounts of the pheromone components remaining and on capillary columns to determine isomeric purity.From theCambridge English CorpusThe active compound was recovered using dichloromethane, yielding the target compound (99% purity), which was characterized usinggaschromatography-mass spectrometry, infrared spectroscopy, and nuclear magnetic resonance spectroscopy.From theCambridge English CorpusEthylene production was measured bygaschromatography.From theCambridge English CorpusFollow-upgaschromatographyanalyses were not performed.From theCambridge English CorpusThe chemical composition of the headspace volatiles from healthy and fourth instar larvae-infested cowpea seeds were identified, characterized, and compared usinggaschromatography-mass spectrometry.From theCambridge English CorpusWe are in the process of standardizing the technique to measure ethanol levels in blood usinggaschromatography, with promising results.From theCambridge English CorpusThe resultant gas fragments were separated bygaschromatographyand identified by mass spectrometry.From theCambridge English CorpusAgaschromatographysyringe was used to obviate the problem of schistosomula lodging in the syringe barrel.From theCambridge English CorpusResidues were dried, derivatized and analysed for fagopyritols or other soluble carbohydrate products by high-resolutiongaschromatography, as described above.From theCambridge English CorpusWardhaugh et al. (1998) usedgaschromatographyto detect deltamethrin residues directly.From theCambridge English CorpusA positive screen was defined as a positive enzyme multiple immunoassay test followed by positivegaschromatography/mass spectroscopy.From theCambridge English CorpusA volume of 0.1 ml of solution from each scintillation vial was placed into 0.8 ml flat bottomgaschromatographyvials.From theCambridge English CorpusKnown amounts of the gas (as measured bygaschromatography, see below) were injected into the flasks through the rubber caps with a syringe.From theCambridge English CorpusPeriodically, gas samples were collected and analysed viagaschromatography.From theCambridge English CorpusIt was perhaps surprising that no one from the workshop had yet tried truly field-portablegaschromatographyequipment.From theCambridge English CorpusGaschromatographywas employed for the initial optimization of the extraction, purification and analysis of the mosquito cuticular hydrocarbons and for their quantitative analysis.From theCambridge English Corpus

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