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MURASAKI: Web-based Word Sense Description System
Fumito Masui,Yoshifumi Kawamuraand,Jun’ichi Fukumoto,Naoki Isu 대한전자공학회 2008 ITC-CSCC :International Technical Conference on Ci Vol.2008 No.7
In this paper, we propose a method to descriptive a Japanese word sense with associative knowledge. The associative knowledge, which are called as descriptors, are extracted from world wide web(www) by focusing on collocation with comparative structure. For extracting descriptors, the specific comparative expressions with context which was generated with a pair of a query word and each related descriptor are retrieved from www. Some experiments have been conducted and those experimental results showed that the performace of our method overcome the baseline and we regard our method as a promising approach.
( Daisuke Masui ),( Suguru Fukahori ),( Naoki Hashizume ),( Shinji Ishii ),( Naruki Higashidate ),( Saki Sakamoto ),( Shiori Tsuruhisa ),( Hirotomo Nakahara ),( Nobuyuki Saikusa ),( Yoshiaki Tanaka ) 대한소화기기능성질환·운동학회(구 대한소화관운동학회) 2021 Journal of Neurogastroenterology and Motility (JNM Vol.27 No.2
Background/Aims This study aims to evaluate the presence of laryngopharyngeal reflux (LPR) and to investigate the use of hypopharyngeal baseline impedance (BI) for assessing swallowing dysfunction and gastroesophageal reflux disease (GERD) using hypopharyngeal multichannel intraluminal impedance and pH (HMII-pH) monitoring in neurologically impaired patients (NIPs). Methods The study population in this retrospective study comprised 20 NIPs (mean age, 36.1 ± 15.0 years; age range, 13-64 years) who underwent multichannel intraluminal impedance and pH (MII-pH), HMII-pH, and laryngoscopy using the Hyodo scoring method from December 2016 to April 2019. The MII-pH and HMM-pH parameters were compared in the NIPs, whereas hypopharyngeal BI values were compared between NIPs with ≥ 5 and < 5 in Hyodo scores. Correlations between the hypopharyngeal BI values and the Hyodo score were analyzed using Spearman’s correlation coefficient. A receiver operator characteristic curve was created to determine the optimum cut-off of hypopharyngeal BI value to discriminate SD. Results Three NIPs were diagnosed with pathological LPR and GERD by the HMII-pH monitoring. No significant differences in parameters were observed between MII-pH and HMII-pH monitoring. The correlation analysis demonstrated a significant negative correlation between the hypopharyngeal BI values and Hyodo scores. The optimal cutoff value for hypopharyngeal BI was 1552 Ω. Conclusions This study demonstrated the usefulness of HMII-pH monitoring in identifying NIP with pathological LPR. Considering the difficulties in performing examinations in NIPs, HMII-pH monitoring may be a potentially useful technique for the simultaneous evaluation of swallowing dysfunction, LPR, and GERD in NIP. (J Neurogastroenterol Motil 2021;27:198-204)
Behavior of Residual Charges in Water-tree Degraded XLPE Sheets and Cable
Ebinuma, Yasumitsu,Masui, Noriaki The Korean Institute of Electrical and Electronic 2006 Transactions on Electrical and Electronic Material Vol.7 No.5
Many studies have been done on the application of residual charge measurement in cable degradation diagnosis. In this paper, the behavior of residual charges measured with water-tree degraded XLPE sheets and cable are discussed. At charge injection process, the charge is injected by applying dc voltage as a conventional method, suddenly cut-off ac voltage or impulse voltage. Therefore the residual charge is influenced by the applying process. At charge release process, transient dc current flows when applying ac high voltage and also ac high voltage superimposed to dc low voltage. From the results, new diagnosis method is suggested.
Particle Capture Reaction using Extended Core Plus Valence Nucleon Model
K. Yamamoto,H. Masui,M. Ohta,K. Kato 한국물리학회 2011 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.59 No.23
We investigate the ^(17)O(n,γ)^(18)O capture reaction cross section at the astrophysical energy using a microscopic ^(16)O+n+n model. The data of this reaction cross section for the s-process nucleosynthesis becomes important. The ^(17)O(n,γ)^(18)O reaction cross section is not measured by the experiment, because the natural abundance of <sup>17</sup>O is the 0.038%. We consider that it is necessary to estimate the ^(17)O(n,γ)^(18)O reaction cross section by a theoretical approach. In this paper, we apply the available wave function obtained by the microscopic ^(16)O+n+n model to the estimation of the ^(17)O(n,γ)^(18)O reaction cross section.
Inoue, Eiji,Shimizu, Yasuharu,Masui, Ryo,Tsubonoya, Tomoe,Hayakawa, Tomomi,Sudoh, Keiichi KOREAN PHARMACOPUNCTURE INSTITUTE 2016 Journal of pharmacopuncture Vol.19 No.3
Objectives: This study was conducted to clarify the effects of agarwood on histamine release from mast cells in rats and on the scratching behaviors in mice. Methods: Histamine release from rat mast cells induced by compound 48/80 or concanavalin A (Con A) and compound 48/80-induced scratching behavior in mice were examined to investigate the effects of agarwood. The hyaluronidase activity and the 3',5'-cyclic adenosine monophosphate (cAMP) levels in mast cells were examined to investigate the mechanisms for the inhibition of histamine release. The correlation between the inhibitory effects of agarwood on histamine release and the content of its typical ingredients, a 2-(2-phenylethyl)chromone derivatives, was analyzed using thin-layer chromatography. Results: Agarwood showed an inhibitory effect on mast-cell histamine release induced by compound 48/80 or Con A without any effect on hyaluronidase activity; this effect involves an increase in the cAMP levels in mast cells. Oral administration of agarwood showed an inhibitory effect on compound 48/80-induced scratching behavior in mice. The inhibitory effects of agarwood on histamine release were quite different, depending on the area where the agarwood was produced, its quality, and its market price. No correlation was found between the inhibitory effects of agarwood on histamine release and the typical ingredients of agarwood, which are 2-(2-phenylethyl)chromone derivatives. Conclusion: These results show that agarwood inhibits histamine release from mast cells partially through an increase in the cAMP levels in cells. We suggest that some active ingredients of agarwood must be effective on oral intake and that agarwood can be used to treat patients with a number of conditions, including urticaria, atopic dermatitis, and bronchial asthma, in which an increase in histamine release occurs. Differences in the pharmacological effects of this crude drug among markets may provide important information for the quality control of this herbal medicine.
박찬,Tatsuya, Hanaoka,Toshihiko, Masui,이동근,정태용 한국기후변화학회 2019 한국기후변화학회지 Vol.10 No.1
This study analyzes potential CO2 emission pathways in the Korean residential sector by using the bottom-up optimization model, AIM/Enduse. This study focuses on: 1) estimating potential emissions considering future changes in population, GDP, and temperature, 2) assessing the mitigation potential of CO2 with a mitigation measures including carbon tax. 3) discussing co-benefits of air pollutants mitigation such as NOx, SO2 in the context of climate mitigation measures in the Korean residential sector. As a result, population and GDP variation shows an overwhelming impact on CO2 emission. Climate change may help to reduce energy consumption and CO2 emission in Korea due to heating and hot-water use demand decreasing. The carbon tax of 20, 50, 100, 200, 300, 500, 1000 US$/tCO2 in 2050 can reduce 1.0%, 2.5%, 3.6%, 9.6%, 12.2%, 14.1%, and 19.7% of CO2 emission respectively compared to BaU scenario of SSP2 with current technology selection behavior based on life cycle cost. There is also a benefit of large reduction potential of air pollutants, in the range of 5-40% reductions in with CO2 mitigation measures.