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한선관,이철환 仁川敎育大學校 科學敎育硏究所 2000 과학교육논총 Vol.12 No.-
본 연구는 한국에서의 사이버 교육의 현황과 전망에 관한 연구이다. 이를 위해 사이버 교육의 각 개념과 용어에 대해 살펴보았으며, 가상 교육을 위한 원격 교육의 기반 기술 및 구성과 운영 방안에 대해 S/W 와 H/W적인 측면을 고찰하였고, 외국의 가상 교육의 사례와 한국의 가상 교육의 사례를 비교 고찰하였다. 또한 이에 대한 고찰을 기반으로 한국 상황에서 알맞은 가상 교육의 새로운 패러다임에 따른 수업의 구성과 운영 방안에 대하여 제시하였다. The purpose of this study is to investigate the situation and sound direction of Cyber Education in Korea. For this purpose, the concepts and terminologies of Cyber Education were summarized and major technologies and issues of Cyber Education as distance education in the area of hardwares as well as softwares were investigated. The comparison between foreign situation and Korean situation of Cyber Education in detail was made. Finally, the study suggested what would be the sound direction, sample curriculum, and management issues for the new paradigm in Korean Cyber Education.
개선된 사람 혈장중 세파클러 농도 정량법을 이용한 세파클러 캡슐의 생체이용률 측정
김태완,송옥경,한선영,Cao, Qing-Ri,박미진,강성화,신관석,Cui, Jing-Hao,이범진 한국약제학회 2005 Journal of Pharmaceutical Investigation Vol.35 No.2
After establishing improved HPLC analytical method ofcefaclor in human plasma samples, a bioavailability study of cefaclor capsules was conducted according to the guidelines of Korea Food and Drug Administration (KFDA). The standard calibration curve using an HPLC with UV detector was constructed in a range of 0.0324--16 μg/m1. The 6% perchloric acid instead of 6% trichloroacetic acid was used to precipitate plasma protein. The HPLC chromatograms were precisely and accurately resolved when spiked with human plasma spiked with cefaclor and cephalexin (internal standard). Twenty healthy male Korean volunteers received two commercial cefaclor capsules, Neocef ' capsule (Jinyang Pharm. Co., Ltd) or Ceclor" capsule {Lilly Korea. Co., Ltd.) at the 250 mg cefaclor in a 2 x 2 crossover study. There was a one-week washout period between the doses. Plasma concentrations of cefaclor were monitored for 8 hours after oral drug administration. AUC, the area under the plasma concentration-time curve from time zero to 8 hr (13 points), was calculated by the linear trapezoidal rule method. C,,,a" (maximum plasma drug concentration) and Tmax (time to reach Cma,) were compiled from the plasma concentration-time data. Analysis of variance was carried out using logarithmically transformed AUC, and Cmax. No significant sequence effect was found for all of the bioavailability parameters indicating that the cross-over design was properly performed. The 90% confidence intervals of the AUC, ratio and the Cmax ratio for Neocer/Ceclor" were 0.9049 S S < 1.0304 and 0.9776 5 S 1.226, respectively. These values were within the acceptable bioequivalence intervals of 0.80-1.25. Thus, our study demonstrated the bioequivalence of Neocef"/Ceclor" with respect to the extent of absorption.
의료관계 해부 감정예의 분석적 연구(I) : 1990년 국립과학수사연구소 감정예
姜信夢,李垣兌,李漢榮,尹順雄,全基悳,金相鉉,徐在冠,尹重鎭 大韓法醫學會 1991 대한법의학회지 Vol.15 No.2
A study of 118 autopsy cases associated with medical care in 1990 was present according to the medical department, the mode of treatment and the cause of death. The Pediatrics showed the highest rate (25.4%), followed by the Obstetrics & Gynecology (22.9%), and Internal medicine (20.2%). According to the mode of treatment, medical accidents during operation and anesthesia were 29 cases (24.6%) with highest rate in Obstetrics & Gynecology (13 cases), 38 cases (32.2%) were during medication and/or injection with highest rate in Internal Medicine (18 cases), and 51 cases (43.2%) were during general medical practice with highest rate in pediatrics (19 cases). The most prevalent cause of death was the disease of respiratory system (34.9%, 30 cases) and the diseases of cardiovascular and urogenital system accounted for 31.4% and 11.6% respectively. The main cause of death in Internal medicine was the disease of cardiovascular system (11/24 cases), the respiratory system in pediatrics (15/30 cases) and the disease of urogenital system in Obstetrics & Gynecology (9/27 cases. ) Asphyxial deaths were 7 cases and the death due to adverse drug reaction accounted for 10 cases.
Development of AI Education Program on Natural Language Processing
Lim,Saeyi(Saeyi Lim),Han,Sun Kwan(Sun Kwan Han) 경인교육대학교 교육연구원 2022 교육논총 Vol.42 No.-
The purpose of this study is to design and develop an education program about natural language processing (NLP) in the school curriculum, understand, experience, and utilize the concept of natural language processing, and considers related ethical issues. Though NLP is a major learning component of artificial intelligence (AI) education, few educational programs have been researched about NLP education. Accordingly, the development direction of the NLP education program was set by analyzing the relevant literature, curriculum, and textbook contents, and the results of expert validity analysis were reviewed. According to the reviewed development direction, the 22nd session of education programs and materials was developed. As a result of expert validity analysis, the educational program’s content validity was assessed. The program was then augmented and updated by the open response. It is expected that the developed curriculum-based NLP education program will be used as data for realizing AI education in the school field.
Oviposition Activity of Black Soldier fly (Hermetia illucens) under Artificial Illumination
( Kwan-ho Park ),( Moon-hee Han ),( Seokhyun Lee ),( Eun-sun Kim ),( Myung-ha Song ),( Won-tae Kim ),( Ji-young Choi ),( Hong Geun Kim ) 한국잠사학회 2017 International Journal of Industrial Entomology Vol.35 No.2
Under natural conditions, black soldier fly, Hermetia illucens (L.) (Diptera: Stratiomyidae), colonizes in warm temperate regions, and is active in Korea from May through October. Information on black soldier fly rearing, which is affected by seasonal factors in Korea, is limited. Oviposition by black soldier flies is dependent on light intensity and wavelength. Therefore, continuous mass rearing of this fly requires determination of optimal artificial conditions of illumination. In this study, we compared the number of eggs laid under an artificial light source (750 watt HPL lamp) versus nature sunlight. Our results showed that compared to oviposition under natural sunlight, the use of one or two lamps for 7 hours, resulted in only 43 and 76%, of the total number of eggs laid under natural sunlight, respectively. We also investigated the hatchability of oviposited eggs under artificial illumination and under natural sunlight. The hatching rate under the former was much significantly lower than under the latter. Further detailed research is required to develop methods for successful mass rearing of black soldier fly throughout the year by means of an indoor system. ⓒ 2017 The Korean Society of Sericultural Sciences Int. J. Indust. Entomol. 35(2), 100-105 (2017)
( Han Sun Ryou ),( Kwan Soo Chung ),( Ji Ho Lim ) 대한금속재료학회 ( 구 대한금속학회 ) 2008 METALS AND MATERIALS International Vol.14 No.6
The deformation behavior of woven composites at high strain rates was analyzed using a constitutive equation developed to describe the nonlinear, anisotropic/asymmetric and rate-dependent mechanical behavior of woven composites. The rate-dependent nonlinear behavior of woven composites was characterized at high strain rates (1 s-1 to 100 s-1) using a tensile testing method first proposed in this research. The material properties for the developed constitutive equation were determined and subsequently used in a finite element analysis of the deformation behavior of woven composites at high strain rates. Finally, the impact behavior of woven composites was predicted using the constitutive equation and the results were compared with experiments, showing that the current constitutive equation including the characterization method is adequate to describe the deformation behavior of woven composites at high strain rates up to impact level.
Extensor Indicis Proprius Tendon을 이용한 Opponensplasty
한병기,이명선,이영호,탁관철 大韓成形外科學會 1986 Archives of Plastic Surgery Vol.13 No.4
Two patients who lost the ability of opposition of thumb due to electric burn were treated with extensor indicis proprius opponensplasty simultaneous with median nerve repair and excellent functional recovery of the hands was obtained. Extensor indicis proprius opponensplasty has many advantages such as this motor unit is available in volar wrist injuries and combined median & ulnar nerve palsies, either high or low, and require only a single muscle tendon unit without a tendon graft. In this article, we present and discuss the extensor indicis proprius opponensplasty and review the advantages of the method comparing with other methods.
( Han Ah Lee ),( Joon Young Jung ),( Young-sun Lee ),( Young Kul Jung ),( Ji Hoon Kim ),( Hyonggin An ),( Hyung Joon Yim ),( Yoon Tae Jeen ),( Jong Eun Yeon ),( Kwan Soo Byun ),( Soon Ho Um ),( Yeon S 대한소화기기능성질환·운동학회(구 대한소화관운동학회) 2021 Gut and Liver Vol.15 No.4
Background/Aims: Most prognostic prediction models for patients with liver cirrhosis include serum total bilirubin (TB) level as a component. This study investigated prognostic performance of serum direct bilirubin (DB) and developed new DB level-based prediction models for cirrhosis. Methods: A total of 983 hospitalized patients with liver cirrhosis were included. DB-Model for End-Stage Liver Disease (MELD) score was calculated using MELD score formula, with serum DB level replacing TB level. Results: Mean age of study population was 56.1 years. Alcoholic liver disease was the most frequent underlying condition (471 patients, 47.9%). Within 6 months, 144 patients (14.6%) died or received liver transplantation due to severe liver dysfunction. The area under the receiver operating characteristic curve (AUROC) for prediction of 6-month mortality with DB level was significantly higher than that with TB level (p<0.001). The AUROC of DB-MELD score for prediction of 6-month mortality was significantly higher than that of MELD score (p<0.001). Patients were randomly divided into training (n=492) and validation (n=491) cohorts. A new prognostic prediction model, “Direct Bilirubin, INR, and Creatinine” (DiBIC) score, was developed based on the most significant predictors of 6-month mortality. In training set, AUROC of DiBIC score for prediction of 6-month mortality was 0.892, which was significantly higher than that of the MELD score (0.875, p=0.017), but not different from that of DB-MELD score (0.886, p=0.272). Similar results were observed in validation set. Conclusions: New prognostic models, DB-MELD and DiBIC scores, have good prognostic performance in liver cirrhosis patients, outperforming other currently available models. (Gut Liver 2021;15:599-605)