정보처리를 위한 컴퓨터교육의 학문적 기반 분석

신수범,이철환,김영기 인천교육대학교 초등교육연구소 2001 교육논총 Vol.18 No.-

현재 초등학교 컴퓨터 교육과정에 나타난 내용을 분석하여 보면 일반화 된 컴퓨터와 네트워크의 용도를 효율적으로 재구성하지 못하고 있으며 컴퓨터 교육과정과 그 이외의 교육과정에서 정보를 관리할 수 있는 내용으로 구성되어 있지 않다. 또한 소프트웨어의 기능 습득에 그치고 있으며 컴퓨터와 정보통신기술이 교육적 관점에서 재해석되어 있지 않고 전문적인 개념이 그대로 교육과정에 삽입되어 있는 형편이다. 이러한 점은 컴퓨터 교육의 기반이 되는 학문적 영역에 대한 연구가 새롭게 구성되어야 할 필요성을 제시하고 있다. 따라서 본 연구에서는 이와 같은 문제점을 해결하고, 컴퓨터 교육의 명확한 자리매김을 제공하기 위하여 컴퓨터 교육의 학문적 기반을 분석해 보고자 한다. There are two major curricula concepts of computer education. One is a kind of tool based curriculum that could enhance the quality of instruction and learning, such as, information and communication technology(ICT) in education, computer education as a tool, or computer/web based education. The other is a kind of content based curriculum that could handle what computer is and/ or how computer works. This is so called 'computer science education'. Because information technology has changed very rapidly and the related research is not enough, there have always been some gaps between theory and practice. When we carefully investigate the current curriculum of computer education, professionally organized contents in computer and network theory are used in elementary school. We need to re-organize the contents which is adequate to children. This situation implies it is very necessary to analyze current curriculum and setup a direction of computer education based theoretical approach in information processing area. Therefore, the main purpose of the study was to find out what computer curriculum should be changed and organized for elementary school teachers as well as students in computer education. The concept of computer education was summarized. The study surveyed and analyzed interdisciplinary subject areas related computer education, such as, computer science, information science, and cognitive science, etc.

무선통신 시스템을 위한 새로운 랜덤 접속 방법

신영주,임민중,양기주 동국대학교 산업기술연구원 2009 산업기술논문집 Vol.18 No.2

유선통신 시스템에서는 TDMA 타입의 랜덤 접속 방법들이 많이 사용되지만 무선통신 시스템에서는 TDMA 타입의 랜덤 접속 방법들뿐만 아니라 충돌을 줄일 수 있는 CDMA 타입의 랜덤 접속방법들도 많이 사용된다. 만일 적절한 전력 제어가 이루어진다면 CDMA 타입의 랜덤 접속은 제한된 수의 사용자들이 랜덤 접속할 때 검출 확률을 증대시킬 수 있다. 그러나 만일 전력 제어가 정확히 되지 않는다면 CDMA 타입의 랜덤 접속 방법은 성능이 떨어지게 되고 TDMA 타입의 랜덤 접속보다 오히려 성능이 나빠질 수 있다. 이 논문에서는 CDMA 타입과 TDMA 타입의 랜덤 접속의 결합 방법인 부분적 확산 랜덤 접속 방법을 제안한다. 제안하는 방법은 정밀하지 않은 전력제어가 이루어지는 시스템에서 CDMA 타입의 랜덤 접속이나 TDMA 타입의 랜덤 접속보다 우수한 성능을 낼 수 있다. While TDMA-type random access techniques are popular in wired communication systems, CDMA-type random access techniques are used as well to reduce collisions for wireless communications. If proper power control is applied, CDMA-type random access can increase detection probabilities with limited number of access users. However, if power control is not precisely performed, the performance of CDMA-type random access is degraded and can be worse than that of TDMA-type random access. In this paper, we propose partial spreading random access, which is a combination of CDMA-type and TDMA-type random accesses. The proposed method can outperform both CDMA-type and TDMA-type random accesses for partially power-controlled systems.

우리나라 輸出保險制度에 관한 硏究

성문기,공신영 昌原大學校 産業經濟硏究所 1993 産經硏究 Vol.10 No.-

산업폐수 슬럿지를 이용한 경량골재 개발에 관한 연구

고영민,이내우,최재욱,우희철,신학기 한국산업안전학회 2002 한국안전학회지 Vol.17 No.1

Among the disposal techniques of inorganic wastewater sludges from industries, most of sludges were dealed with buring underground inefficiently. But we have tried to recycle the resources that exhausted inorganic sludges were properly blended to certain ratioes to make lightweight aggregate, that means manufacturing of it can be possible through blending of various components, drying, sintering, cooling and crushing to certain sizes that are needed by consumers. As disposal method of inorganic wastewater sludge is changed to environmentally fraternative method, this method could be very useful to make lightweight aggregates for decoration of building and the other so many purposes of those usages. That could be economically useful due to expected income for buring costs of ordinary disposal method from industries and sales income after manufacturing it. The second important profit is saving foreign currency from purchasing self-developed lightweight aggregate instead of importing expensive foreign product. This product will be also very impressive to user because of the fraternative lightweight to be composed of apatite structure that is important part of human body.

사질토지반의 테이퍼-펄스말뚝 적용에 관한 실험적 연구

김종인,신영기,김태형,오재학 대구대학교 산업기술연구소 2009 産業技術硏究 Vol.20 No.1

In this paper, a typical drilled shaft to cylindrical and step-tapered pile, pulse pile are produced by the experiment and then captured the ground, forming Jumunjin standard sand model tests loading at sat joy bearing capacity analysis, tapered plus pulse pile was suggestions. Soft ground and the ground around the sandy soil casting of pile to skin friction research tapered pile adjusting the angle and shape for a wide range of variation of pulse pile further study is underway, and the most graft-type model is not presented. Therefore, in this study, the test bearing capacity of existing drilled shaft current analysis by the comparative analysis, as well as skin friction through mutual tapered plus pulse pile bering capacity and allow the unit to analyze and compare the suggestions model would be effective.

잡초의 수용 추출물이 수종 작물의 초기 생장에 미치는 상호대립 억제 작용의 효과

이상금,신우진,한기배,김옥임,하상영 東亞大學校 2003 東亞論叢 Vol.40 No.-

Lettuces, radishes and corn had been raised for thirty-two days in portion to the consistency of a soluble extract from weeds, and then the result of allelopathy action affecting the growth at their early stage was admitted by statistical significance. The result of a growth test ; Amaranthus mangostanus showed the decrease of the leaf number, however, the leaf number of crops decreased as the consistency goes higher. The length of stem was shorter in the group of the high consistency than control group. The root showed a remarkably constrained growth at all level of consistency compared to control group, and the growth was constrained more strongly as the consistency goes higher. The degree of development in lateral root showed no difference at each level of the consistency, and as the consistency of weeds goes higher, the rate of dried material increased. The analysis on nutritions in cultivation soil showed that the remains of nutrition elements increased as the consistency increases, NH4-N and N03-N result in the reverse. The allelopathy action is stronger in Amaranthus mangostanus than Setaria glauca.

혈액관리학과 교육과정 개발

조갑철,최양자,신기수,손선영 적십자간호전문대학 2000 적십자간호전문대학논문집 Vol.22 No.-

PFAPA (Periodic Fever, Aphthous Stomatitis, Pharyngitis, and Cervical Adentis) 증후군 1예

강혜련,김신우,배기범,박지현,강영모,이종명,김능수 대한감염학회 2001 감염 Vol.33 No.3

PFAPA (Periodic Fever, Aphthous stomatitis, Pharyngitis, and cervical Adenitis) syndrome has characteristic features of an early onset, periodicity (interval <4 weeks), and a brisk rising high fever (>39℃) of 3 to 6 days' duration without signs of infection. An 18-year-old male was admitted for high fever, sore throat, headache, and abdominal pain. He had suffered from periodic fevers associated with pharyngitis and cervical adenitis for 14 years without any evidence of infection. The fever recurred approximately every 4 weeks lasting 4 to 7 days with intervening asymptomatic periods. Physical examination was unremarkable except for slightly injected tonsils. Most laboratory tests including CBC were normal except for elevation of Creactive protein level (3.47 mg/dL). Bacteriologic and radiologic studies were negative. The fever was spontaneously subsided in 6 days. To our knowledge, this is the first case report of PFAPA syndrome in Korea. (Korean J Infect Dis 33:219∼222, 2001)

악성림프종 환자에서 복합화학요법으로 유발된 백혈구 감소증에 대한 인형 재조합 과립구 집락형성-촉진인자(rhG-CSF: Neutrogin)의 효과

박성규,전진우,기신영,유병우,김홍수,백승호,원종호,홍대식,박희숙 순천향의학연구소 1995 Journal of Soonchunhyang Medical Science Vol.1 No.1

Clinical effects of rhG-CSF were investigated in 17 patients receiving chemotherapy for non-Hodgkin's lymphoma. Patients were given G-CSF 2㎍/㎏/day after 2nd cycle chemotherapy for least 14 consecutive days, and clinical and laboratory results were compared to results of the first cycle. Treatment with G-CSF resulted in increase of mean WBC count(952.9±152.2㎜³vs 1882.4±350.4/㎜³) and neutrophil count(212.9±53.0/㎜³vs 841.5±238.0/㎜³), reduced the duration of leukocytopenic days(12.4±1.3 days vs 5.5±1.0 days, WBC count less than 4000/㎜³) and neutropenic days(4.5±0.9 days vs 2.3±0.7 days, neutrophil count less than 500/㎜³), and reduced the duration of neutropenic fever(5.8±1.1 days vs 0.9±0.5 days). The side effects of G-CSF were not so significant. These results demonstrated that G-CSF is safe and useful for the treatment of neutropenia induced by anticancer chemotherapy of non-Hodgkin's lymphoma and reducing the incidence of febrile periods and duration of antibiotic administration.

상염색체우성 다낭신의 임상경과 및 합병증

이상주,이영모,이한규,최대은,박기현,이강욱,신영태 충남대학교 의학연구소 2001 충남의대잡지 Vol.28 No.2

Autosomal dominant polycystic kidney disease(ADPKD) is one of most common hereditary disorder. It is potentially fatal and the major mobilities are hypertension and renal failure. To elucidate clinical characteristics and outcomes of ADPKD, 67 ADPKD patients were analyzed retrospectively. The male to female ratio was 48 years for males and 42 years for females. The factors leading to the dignosis of ADPKD were flank or abdominal pain (46%), palpable abdominal mass (24%), incidental findings (18%), gross hematuria and headache. Urinalysis result showed hematuria (31%), proteinuria (19%), pyuria (18%). Among renal complications hypertension (67%) was the most common. Other complications were urolithiasis (16%) upper urinary tract infection (9%), cyst infection (7%). Azotemia was observed in 24% of cases. Echocardiography showed left ventricular hypertrophy in 24% and valvular regurgitation in 18% of cases, but there was no mital valve prolapse. Cerebrovascular events occurred in 6 cases (2 cases of intervertebral hemorrhage and 4 cases of cerebral infarction). Hipatic cyst were observed in 64% of cases. Eighteen cases culminated in end stage renal failure (ESRF) at an of 47. According to this study, the most common complications of ADPKD was hypertension (67%), ESRF (27%), and cerebrovascular event (9%). Hypertension was more frequently observed in increased creatinine group than normal.