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Research ArticleOpen accessEvery word in the titleAn Adaptive Thresholding Algorithm-Based Optical Character Recognition System for Information Extraction in Complex ImagesDaniel Akinbade, Adewale Opeoluwa Ogunde, Mba Obasi Odim, Bosede Oyenike OguntundeExtracting texts from images with complex backgrounds is a major challenge today. Many existing Optical Character Recognition (OCR) systems could not handle this problem. As reported in the literature, some existing methods that can handle the problem still encounter major difficulties with extracting texts from images with sharp varying contours, touching word and skewed words from scanned documents and images … …Journal of Computer Science, Vol. 16, Issue 6 · 14 Jun 2020 · 8,470 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleA Permutation Test for Comparing Two Correlated Receiver Operating Characteristic CurvesOkeh Uchechukwu Marius, Onyeagu SidneyThe area under the Receiver Operating Characteristic (ROC) curve (AUC) is a summary measure when comparing two ROC curves. However, this summary measure is less informative when two ROC curves cross and have the same AUCs. In order to detect differences between ROC curves and to be able to tackle the problem of exchangeability of the labels between two diagnostic … …Journal of Mathematics and Statistics, Vol. 16, Issue 1 · 24 May 2020 · 8,129 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleIsolation and Characterization of Chemical Constituents, Cytotoxicity, Antibacterial and Antioxidant Activity of the Compounds from Leptadenia hastata Roots Extract ByIsaac John Umaru, Hauwa A. UmaruThe aim of this work was to extract, isolate and characterise the chemical constituent from Leptadenia hastata roots. Fresh roots were washed and dried and was subjected to sequential maceration in polar and non-polar solvents. And introduced into rotary evaporator to concentrate the extract. Isolated compound was subjected to Thin Layer Chromatography and spectral analysis such as column and UV-Visible … …American Journal of Biochemistry and Biotechnology, Vol. 15, Issue 4 · 24 Dec 2019 · 7,959 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleProduction, Extraction and Characterization of Lipases from the Antarctic Yeast Guehomyces pullulansLuis Lascano-Demera, Patricia Portero Barahona, Enrique Javier Carvajal BarrigaThe production of extracellular lipases from the Antarctic yeast Guehomyces pullulans is induced using an olive oil medium as an inductor substrate and a first characterization of its enzyme, using the protein extract obtained from the medium, is described. For this, the effect of pH and temperature on the lipase activity are evaluated and the enzyme kinetic for the lipase … …American Journal of Biochemistry and Biotechnology, Vol. 15, Issue 2 · 11 Apr 2019 · 10,020 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleInfluence of Magnesium on Photosynthetic Characteristics and Growth Effects of Sugarcane at Seedling StageChao Zheng, Yong-Xiang Huang, Ke-Xing LiuIn this study, the effects of different concentrations of magnesium on photosynthetic characteristics and growth of sugarcane cultivars Roc22 and YT00-236 at seedling stage were investigated by combined cultivation of sand culture with nutrient solution. The results showed that under the stress of low magnesium, the synthesis and photosynthesis of chlorophyll are blocked with significantly decreased biomass accumulation, increased root-shoot … …American Journal of Biochemistry and Biotechnology, Vol. 15, Issue 1 · 15 Mar 2019 · 8,731 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleComparison of Analytical and Numerical Results for the Charring Rate of the Timber-Concrete BeamZuzana Kamenická, Jaroslav Sandanus, Lukáš Blesák et al.Modelling the thermal response of timber is a primary issue for the assessment of the mechanical resistance of timber structures exposed to fire. Therefore, this paper analyses various advanced calculation methods of determining the charring rate. Authors of this contribution use analytical calculation methods according to two different publications and also a numerical calculation by means of program based on … …International Journal of Structural Glass and Advanced Materials Research, Vol. 2, Issue 1 · 4 Jun 2018 · 6,688 accessesView PDFCite
Research NotesOpen accessEvery word in the titleA Study on Fabrication and Structural Characterization of PbS Thin FilmsMustika Wati, Kamsul AbrahaPbS thin films are fabricated from 99.9% PbS powder on glass substrates using the vacuum evaporation method. Some of the samples are then treated in an advanced process called annealing. Samples are annealed in temperatures of 80, 100, 120 and 150°C for two h. Characterization using an X-Ray Diffractometer (XRD) resulted in values of lattice constant of the films ranging … …American Journal of Biochemistry and Biotechnology, Vol. 13, Issue 4 · 20 Nov 2017 · 7,847 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleInterpretation of Double Langmuir Probe I-V Characteristics at Different Ionospheric Plasma TemperaturesShankar BhattaraiWhere the plasma potential is fluctuating significantly, Single Langmuir probe method is not relevant to determine the plasma characteristics. This weakness was overcome by the development of the floating double probe. A distortion of the probe characteristics due to varying potential is eliminated, while the whole probe system is floating. This supports probe operation also in discharges with strongly varying … …American Journal of Engineering and Applied Sciences, Vol. 10, Issue 4 · 6 Nov 2017 · 8,597 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleEnhancement of in vitro Rooting through Growth Media, Gelling Agents and Activated Charcoal in Lycium chinenseJae Kwang Kim, Sang Un ParkLycium chinense, a traditional Chinese herbal medicine is well known for its medicinal value and composition for centuries in Asia. Plant tissue culture technique has proven as a quick and sustainable ways to regenerate various plants species those are valuable in terms of medicinal as well as ornamental. Here, we investigated the in vitro root regeneration and root growth of … …OnLine Journal of Biological Sciences, Vol. 17, Issue 3 · 26 Jun 2017 · 7,267 accessesView PDFCite
InvestigationOpen accessEvery word in the titleDigestion and Metabolism Indices of Sheep When Using Activated Charcoal SupplementNadezhda Vladimirovna Bogolyubova, Vasily Pavlovich Korotky, Alexander Sergeyevich Zenkin et al.The effect of activated charcoal as a feed additive was assessed in the experiment with Romanov sheep and Romanov sheep breed with argali. Charcoal sorbent is the original preparation produced in “Khiminvest” Science and Technology Center. Activated charcoal supplement was added to the basic diet of experimental animals in an amount of 1 g per 10 kg of live weight. … …OnLine Journal of Biological Sciences, Vol. 17, Issue 2 · 15 Jun 2017 · 7,978 accessesView PDFCite