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Oligomeric procyanidins were isolated from the leaves and flowers of hawthorn (Crataegus laevigata). A trimer, epicatechin-(4 beta-->8)-epicatechin-(4 beta-->6)-epicatechin, and a pentamer consisting… (More)
In groundwater subsurface deposits and a topsoil from five aquifers having 2,6-dichlorobenzamide (BAM) in water, we determined the most-probable-number (MPN) of 2,6-dichlorobenzonitrile (dichlobenil)… (More)
Correlative evidence suggests that pathogenic leaf rust fungus, Melampsoridium betulinum, in late summer may negatively affect folivorous insects in the following summer. Correlative association does… (More)
Solanesol, a trisesquiterpenoid alcohol, has been shown to be present in environmental tobacco smoke. Results from the determination of particulate-phase solanesol in environmental tobacco smoke in… (More)
A high‐sensitive selective ion monitoring GC‐MS method has been used for the analysis of polycyclic aromatic hydrocarbons in fish. No oil contamination of fish was found.
As in the case of all chromatographic methods, the ideal sample introduction method for supercritical fluid chromatography (SFC) would provide a narrow and sharp solvent peak (or no solvent peak),… (More)
Original scientific paper This paper describes the study of a weld deposit which contains tungsten carbide particles. For testing the process of gas metal arc welding in a protective atmosphere of a… (More)
A method was developed for the detection of irradiation of chicken and chicken meat products. The method consists of the extraction of fat from chicken skin or a chicken meat product, separation of… (More)