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566 results for “Extraction”
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Research ArticleOpen accessEvery word in the titleHistorical Relation Extraction from Buddhist Temple Documents of the Lanna KingdomPongkorn Chantaraj, Jaratsri Rungrattanaubol, Anamai Na-udomA substantial amount of valuable knowledge has been recorded, namely historical documents, in the form of unstructured data. The Extraction of such information will provide useful historical knowledge. The objective of this study, is to propose a relation extraction technique of unstructured data from Buddhist temple documents in the Lanna Kingdom, consisting of relationships including the name of the kings … …Journal of Computer Science, Vol. 15, Issue 9 · 26 Sep 2019 · 7,751 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleExtraction, Partial Identification and Bioactivities of Total Flavonoids from Carex meyeriana KunthHongbiao Wang, Penghui Wang, Xiudong Yang et al.To date, knowledge associated with extraction, chemical constituents and bioactivities of Total Flavonoids from Carex meyeriana Kunth (TFCMK) that remains unclear. Therefore, this paper was designed to optimize the ethanol reflux extraction method by response surface methodology and determine the chemical constituents by Liquid Phase-Mass Spectrometry (HPLC-MS); additionally, the bioactivities including antioxidant, antibacterial and hemolysis test were also explored. The … …American Journal of Biochemistry and Biotechnology, Vol. 15, Issue 3 · 7 Aug 2019 · 7,523 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleAn Ontological Approach for Dental Extraction Decision Making and Knowledge Dissemination – A Pilot Study for Dental Extraction ForcepsShanmuganathan Vasanthapriyan, Kuhaneswaran BanujanTooth extraction is one of the most usual surgical procedure in the field of dental. Not having proper knowledge of tooth and extraction instruments may cause too much complexity in extraction procedure or even some damages to patients’ jaws. Mainly when using extraction forceps, the proper forceps should be used according to the teeth and the situation. So, it is … …Journal of Computer Science, Vol. 15, Issue 6 · 24 Jun 2019 · 7,417 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleOpinion Extraction on Online Malay TextSurendran Selvaraju, Kalaiarasi Sonai Muthu AnbananthenGrowing of social media usage present a new set of opportunities and challenges in the way of information is retrieved and searched. Opinions on social media has become an important factor in influencing people choices on purchasing a product and service. Hence, sentiment analysis has become the most crucial tool in tracking people feedbacks on products and services. For Malay … …American Journal of Applied Sciences, Vol. 16, Issue 4 · 12 Jun 2019 · 7,602 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleOptimization of Cellulase-Assisted Extraction of Total Flavonoids from Corn Bract and Evaluation of Antioxidant and Antibacterial AactivitiesYang Zhang, Jing Lu, Leijie Ben et al.Corn bract is a corn-based agricultural waste material that distributed worldwide. In present work, response surface methodology was applied to optimize the cellulase-assisted extraction of Total Flavonoids from Corn Bract (TFCB), the in vitro antioxidant and antibacterial as well as the in vivo antioxidant activities of TFCB were investigated. Results showed that the optimal conditions for TFCB extraction were as … …American Journal of Biochemistry and Biotechnology, Vol. 15, Issue 2 · 18 May 2019 · 8,501 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleOptimization of Conditions for Extraction of Pepsin-Soluble Collagen from Indonesian Local “Kacang” Goatskin by Response Surface MethodologyRina Wahyuningsih, Rusman, Nurliyani et al.Indonesian local “Kacang” goat is an animal species widely known by consumers over the world which possesses many health effects. Goatskin is one of body parts which has potential as collagen sources. The optimal conditions for collagen extraction were determined by response surface methodology in this study. Multiple response optimization designs were applied to evaluate the effects of two independent … …American Journal of Animal and Veterinary Sciences, Vol. 13, Issue 2 · 12 May 2018 · 8,105 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleImprovements on Semi Critical Assisted-Solvent Extraction of Biocrude Oil from Spirogyra. sp Macro AlgaeTulio Chavez-Gil, Hany F. Sobhi, Alexis Pacheco-LaracuenteHere, we report on an improved chemical method to extract hydrocarbons (CH) and Fatty Acid Methyl Esters (FAME) from wild green macro algae, which is higher than that carried out with conventional Soxhlet (Sx) and similar to that of Subcritical (SbC) or supercritical fluid (SCE) extraction methods. Crude oil plus residual biomass gave combined calorific values of 49.05 MJ/kg in … …American Journal of Biochemistry and Biotechnology, Vol. 14, Issue 2 · 18 Apr 2018 · 10,083 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleResponse Surface Optimized Ultrasonic Assisted Extraction of Total Flavonoids from Walnut Leaves and In Vitro Antibacterial ActivitiesYuanda Song, Aydin Berenjian, Han Wu et al.In this paper, the optimum extraction conditions of total flavonoids extracted from walnut leaves subjected to Ultrasonic Assisted Extraction (UAE) were optimized by Response Surface Methodology (RSM). The mathematical model showed the high coefficient of measurement (R2 = 0.9938) which indicated that this model could be used to guide the response surface methodology. The optimum extraction parameters for extracting flavonoids … …American Journal of Biochemistry and Biotechnology, Vol. 13, Issue 4 · 24 Oct 2017 · 7,825 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleFeature Extraction Method for Improving Speech Recognition in Noisy EnvironmentsYoussef Zouhir, Kaïs OuniThe paper presents a feature extraction method, named as Normalized Gammachirp Cepstral Coefficients (NGCC) that incorporates the properties of the peripheral auditory system to improve robustness in noisy speech recognition. The proposed method is based on a second order low-pass filter and normalized gammachirp filterbank to emulate the mechanisms performed in the outer/middle ear and cochlea. The speech recognition performance … …Journal of Computer Science, Vol. 12, Issue 2 · 25 Mar 2016 · 7,866 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleOptimization of Microwave-Assisted Extraction of a Bioherbicide from Canavalia ensiformis LeavesDarlan Ferreira Silva, Eduardo Bessa Azevedo, Maria Olímpia Oliveira RezendeThe objective of this study was to optimize the operational conditions of the Microwave-Assisted Extraction (MAE) of Canavalia ensiformis leaves by Response Surface Methodology (RSM), based on analysis of phenolic compounds obtained from the aqueous extracts. Optimal conditions for MAE were temperature of 100°C, extraction time of 10 min and ramp of temperature of 5 min, using approximately 2 g … …American Journal of Environmental Sciences, Vol. 12, Issue 1 · 29 Feb 2016 · 7,612 accessesView PDFCite