Results 31 to 40 of about 302,958 (167)

Determination_of D003 by capillary gas chromatography

open access: yesRevista CENIC Ciencias Químicas, 2002
D003 is a mixture of saturated very long-chain fatty acids ranging from 24 to 36 carbon atoms, obtained from sugar cane (Saccharum officinarum L.) wax, with antiplatelet, 'antithrombotic, antioxidant and cholesterol-lowering effects .
David Marrero Delange   +4 more
doaj  

Headspace Solid-Phase Microextraction Gas Chromatography-Mass Spectrometry and Gas Chromatography-Olfactometry Analysis of Volatile Compounds in Pineapple Breads

open access: yesMolecules, 2012
Sensorial analysis of pineapple breads (conventionally baked, Cpb; fully baked frozen, Fpb and partially baked, Ppb) showed no significant differences in terms of aroma and taste.
Seye Lasekan   +3 more
doaj   +1 more source

A Review of MEMS-Based Micro Gas Chromatography Columns: Principles, Technologies, and Aerospace Applications

open access: yesApplied Sciences
Accurate gas analysis plays a critical role in aerospace missions, including spacecraft safety assurance, crew health monitoring, and deep-space scientific exploration.
Sen Wang   +7 more
doaj   +1 more source

Combined Gas Chromatography–Mass Spectrometry, Gas Chromatography–Infrared, and Computational Approach to Differentiate Constitutional Isomers of Methylpyridine Derivatives

open access: yesApplied Spectroscopy Practica
Methylpyridine derivatives serve as crucial components and intermediates in agrochemical products, particularly synthetic auxin herbicides. Accurate structural elucidation of these compounds is required for regulatory compliance and successful product ...
Joshua T. Johnson   +5 more
doaj   +1 more source

Reducing helium dependency in gas chromatography for natural gas blends with hydrogen [PDF]

open access: yesEPJ Web of Conferences
The transition toward blending hydrogen in natural gas networks requires a new generation of gas chromatographs, capable of accurately measuring hydrogen.
Kunkeler Saskia   +2 more
doaj   +1 more source

Pyrolysis Gas Chromatography of Polymers [PDF]

open access: yesعلوم و تکنولوژی پلیمر, 1992
A.Ahmadi احمدی   +2 more
doaj   +1 more source

Directed Message-Passing Neural Networks for Gas Chromatography

open access: yesSeparations
In this paper, the directed message-passing neural network architecture is used to predict several quantities of interest in gas chromatography: retention times, Clarke-Glew 3-point thermodynamic parameters for simulation, and retention indices.
Daniel Struk   +3 more
doaj   +1 more source

Research Progress on Stable Isotope Online Testing Technology for Organic Contaminants

open access: yesYankuang ceshi, 2013
Compound-specific isotope analysis (CSIA) online is an indispensable key technique for identifying the sources of organic contaminants in the environment and characterizing their transformation processes, but there are still some problems in practical ...
FANG Jing-jing   +7 more
doaj  

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