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嚴東玉,徐智榮 又石大學校 1991 論文集 Vol.13 No.-
The fluorescence spectrophotometric method is studied with regard to determination of DDVP in Organophosphorus pesiticides, which is applicable oxidation of Schoenemann reaction. DDVP is determined by fluorescence of indigo white, that is produced oxidation of indole by perphosphonate that produce at organophosphorus compound and peroxide. It examined the optimum reaction condition while DDVP reacted sodium perborate, trisbuffer and indole. It obtained maximum fluorescence wavelength, it examined with regard to effect of pH, effect of temperature and heating time, effect of Sodium perborate concentration, effect by solvent and effect of indole concentration on fluorescence of reaction product. Determination of DDVP was possible to the range of 10-20㎍/㎖. The method was applicable to the determination of DDVP in drug preparations. The fluorescence spectrophotometry was accuracy and precision is better than that of the absorbance spectrophotometry.
전신마취 후 점액으로 인한 기관내관 폐쇄 : 증례보고 A case report
안기량,엄희상,김지은 순천향의학연구소 2004 Journal of Soonchunhyang Medical Science Vol.10 No.2
Nasotracheal intubation is commonly and safely used in the anesthetic management of patients undergoing oral cavity surgery. But endotracheal tube obstruction causes serious complications, including pneumothorax, pulmonary edema, brain injury and death. We experienced a case of endotracheal tube obstruction due to mucous crust after general anesthesia. A 5-year-old woman with cleft palate was intubated with a 4.5 mm amored tube for general anesthesia. During the surgery, vital signs were within normal limits. In the intensive care unit, she exhibited sign of complete airway obstruction. We exchanged the tube with another tube after failure of suction. The airway obstruction was due to a dried mucous crust attached to the bevel of the endotracheal tube. We should keep in mind the presence of an amored endotracheal tube cannot be regarded as a guarantee of a patent airway.
CORBA를 이용한 네트워크 모니터링 시스템의 설계 및 구현
오인환,김지예,엄영익 成均館大學校 科學技術硏究所 1999 論文集 Vol.50 No.1
Network management that has become an important issue for the rapidly growing Internet is actively studied for efficient channel management, particularly for the overloaded ones. For this management, packet monitoring techniques and analysis methodologies based on the monitored packets are fundamental components. In this paper, we designed and implemented network monitoring system that provides users the network status and performance information from the network packets over the channel. The system is implemented in the CORBA environment and written in the Java language in order to provide independence of heterogeneous platforms as well as scalability to various development environments. In particular, this system provides users transparency and convenience for monitoring the Internet because it is implemented in the portable language Java.
Hyeji Eom(Hyeji Eom),Minji Kim(Minji Kim),Jung Kyung Yoo(Jung Kyung Yoo),Eunjoo Bae(Eunjoo Bae),Jeonghyeon Yi(Jeonghyeon Yi),Ji Young Lee(Ji Young Lee) 대한소아신경학회 2022 대한소아신경학회지 Vol.31 No.1
Purpose: Regularly analyzing the prevalence of autism spectrum disorder (ASD) is important to inform policies and strategies for proper management. The present study aimed to esti-mate trends in ASD prevalence according to age and time in Korean children. Methods: We monitored the annual prevalence of ASD in children aged 2 to 18 years based on information from Statistics Korea and the Korean National Health Insurance Service. We estimated changes in prevalence between 2011 and 2021 after stratifying partici-pants into three age groups. Furthermore, we analyzed the prevalence of ASD by birth year. Results: The highest level of prevalence appeared in children aged 6 years, and thereafter, it de-clined with age. The prevalence of ASD in children aged 2 to 18 years increased from 0.05% in 2011 to 0.12% in 2021. During the same time, the prevalence in preschool children (2 to 5 years) remarkably increased from 0.04% in 2011 to 0.12% in 2021, while the prevalence in adolescents (13 to 18 years) increased from 0.05% in 2011 to 0.09% in 2021. The prevalence of ASD notably increased during the coronavirus disease 2019 (COVID-19) pandemic (2020 to 2021). Among children born between 2011 and 2015, the prevalence of ASD was higher for children with recent birth years, especially during the COVID-19 pandemic. Conclusion: The overall ASD prevalence in children and adolescents in Korea seems to be increasing, especially in preschool children during the COVID-19 pandemic. Early and more effec-tive interventions are necessary for Korean children.
Eom, Ji Mi,Oh, Hyun Gon,Cho, Il Hwan,Kwon, Sang Jik,Cho, Eou Sik American Scientific Publishers 2013 Journal of Nanoscience and Nanotechnology Vol.13 No.11
<P>Niobium oxide (Nb2O5) films were deposited on p-type Si wafers and sodalime glasses at a room temperature using in-line pulsed-DC magnetron sputtering system with various duty ratios. The different duty ratio was obtained by varying the reverse voltage time of pulsed DC power from 0.5 to 2.0 micros at the fixed frequency of 200 kHz. From the structural and optical characteristics of the sputtered NbOx films, it was possible to obtain more uniform and coherent NbOx films in case of the higher reverse voltage time as a result of the cleaning effect on the Nb2O5 target surface. The electrical characteristics from the metal-insulator-semiconductor (MIS) fabricated with the NbOx films shows the leakage currents are influenced by the reverse voltage time and the Schottky barrier diode characteristics.</P>
Relation of Alexithymia, Anger and Binge Eating Behavior
Ji Yon Eom,Mee-Kyung Shin 보안공학연구지원센터 2016 International Journal of Bio-Science and Bio-Techn Vol.8 No.2
Purpose: Purpose of this descriptive research is to examine the correlation of alexithymia, anger and binge eating behavior of university students to prepare the basic data to develop nursing intervention which could be helpful to control anger and binge eating behavior. Method: Study subjects were targeting 412 university students and the correlation between alexithymia, anger and binge eating behavior was analyzed using Pearson‘s Correlation. Results: Alexithymia, anger and binge eating behavior showed significant correlation. Higher the alexithymia is so higher was anger and binge eating behavior. So we must develop nursing intervention for alexithymia.