The presented strategy of automatic baseline detection in chromatograms combines fuzzy logic and neural network approaches. It is based on a verbal description of a baseline referring to a 2D image of a chromatogram instead of a data vector. Baselines are expected to touch data points on the lower border of the chromatogram forming a mainly horizontal and straight line. That description has bee...

Abstract This article analyzes the cause of an abnormal defect in oil chromatogram a transformer, and puts forward control measures suggestions. It is analyzed that phase A B main transformer poor contact o f dynamic static contacts unloaded tap changer, high temperature overheatin g, development ablation, resulting chromatogram. The ablation no-load tap-changer may be due to installation trans...

Plasma taken from hepatic failure rats induced by D-galactosamine was used to observe the variatiation in its chromatogram obtained by conducting a high performance gel-chromatography (TSK G2000SW used). The progress of hepatic failure caused distinct increase in the 12 abnormal peaks, especially peak b contained middle moelcular weight substances, which showed a good correlation with the condi...

Mentha piperita and Citrus sinensis was an aromatic plants well known for its fragrance and distinct aroma. In this prospective study to evaluate the chromatogram detection of ethanol extract of Mentha piperita and Citrus sinensis with standard flavonoid marker eriocitrin by HPTLC technique. HPTLC chromatogram was developed in ethanolic extract of Mentha piperita, Citrus sinensis and standard f...

In this paper, visualization and neural network techniques are applied together to a power transformer condition monitoring system. Through visualizing the data from the chromatogram of oil-dissolved gases by 2-D and/or 3-D graphs, the potential failures of the power transformers become easy to be identified. Through employing some specific neural network techniques, the data from the chromatog...

In the analysis of short-chain carboxylic acids such as formic acid and acetic in aqueous solution using extractive alkylation gas chromatography, tetrahexylammonium bromide (THAB) a phase-transfer catalyst (PTC) causes high intensity broad peaks chromatogram, interfere with detection derivatives. By an easy treatment perchloric n-hexane, it is possible to remove more than 95% THAB, provide goo...