총 석유계 탄화수소의 토양에서의 분배

신현무,이상화 慶星大學校 環境問題硏究所 1998 環境硏報 Vol.8 No.1

It has been a concern for the remediation of petroleum contaminated soil by effective measures. To achieve this purpose, first of all, it is necessary to estimate how much the petroleum could be in soil when spilled. Though the adsorption experiment of petroleum-hydrocarbon-vase to the selected soils which contains different amount of soil organic matter, the following results were obtained. The partitioning coefficients for soils were increased exponentially with the increase of soil/solution ratio. The adsorption of petroleum hydrocarbon(TPH) to soil was directlu influenced by soil organic matter content rather than specific surface area, that is, the adsorption of TPH was increased proportionally with the increase of soil organic matter content.

三天地의 環境과 生物多樣性 : I. Enviornmental Factors and Flora I. 環境要因과 植物相에 關하여

신상천,이종운,배규호,전재인,강경화 嶺南大學校 基礎科學硏究所 1992 基礎科學硏究 Vol.12 No.-

Environmental factors and phytological aspects of Samchunimpoundment in Kyongsan, Kyongpook were studied. 40 quadrats in 4 sites had 94% herbaceous cover, 31% shrub cover and 18% tree cover. Ambrosia artemisiifolia var. elatior, Metaplexis japonica, Erigeron annuus, Humulus Japonicus, Eragrostis ferruginea, Artemisia princeps var. orientalis were dominant herbaceous species and found cultivated plants of Hordeumn vulgare var. hexastichon, Prunus persica, Morus alba and neophytes of Ambrosia artemisiifolia var. elatior, Erigeron canadensis, Erigeron annuus, Ailanthus altissima, Bidens bipinnata, Lactuca indica var. laciniata, Robinia pseudo-acacia, oenothera odorata, Euphobia maculata. The investigated sites were divided into 4 patterns based on the vegetation with high difference level and Ambrosia artemisiifolia var. elatior, Medicago sativa, Setaria viridis, Metaplexis japonica, Humulus japonicus, Calystegia japonica, Forsythia koreana, Lsctuca indica var. laciniata were different species group. More than 90% on the surface area of water mass covered with Nelumbo nucifera, Marsilea quadrifolia and Typha angustata and distributed Hydrilla verticillata, Ceratophyllum demersum, Trypa pseudo-incisa, Myriophyllum spicatum under water. Average data of environmental factor analysis are as followings; air temperature 25.8℃, ph 6.77, total hardness 117.94㎎/ℓ, SS 4.5㎎/ℓ,Do 3.3㎎/ℓ,BOD 6.6㎎/ℓ,COD 7.2㎎/ℓ,cl- 17.56㎎/ℓ,?? 7.14㎎/ℓ,Mn 0.05㎎/ℓ, Zn 0.04㎎/ℓ. Total quality of impoundment water were heavily polluted and were quality class Ⅳ.

섬유강화형 포스트를 이용한 치관-치근 파절의 치료: 증례 보고

임화신,라지영,이광희,안소연,김윤희,금기석,이상봉 大韓小兒齒科學會 2012 大韓小兒齒科學會誌 Vol.39 No.1

The crown-root fracture is defined as a fracture of tooth that contains enamel, dentin and cementum with or without pulp exposure. Generally the fracture lines place obliquely from labial surface, between incisal edge of the crown and marginal gingiva, to palatal surface subgingivally. If the fracture line is located supragingivally, the removal of tooth fragment and supragingival restoration can be performed. In subgingival fracture line, the surgical exposure, orthodontic eruption or surgical eruption can be considered. If the fracture line is too deep to restorate, extraction or decoronation can be selected. In children and adolescents, the extraction should be the last option. Another option to select before extraction is the restoration using fiber-reinforced post and the reattachment of tooth fragment. The fiber-rainforced post enhances the retention and the durability of tooth fragment. The reattachment of crown fragment using resin adhesive system is considered minimal invasive treatment biologically. This case reports the treatment of crown-root fracture using the reattachment of crown fragment and the insertion of fiber-reinforced post. 치관-치근 파절은 법랑질, 상아질, 백악질이 모두 포함된 치아의 파절로, 파절선이 대부분 절단연이나 순측의 변연부 치은 에서 구개측 치은열구 하방으로 사선으로 진행된다. 파절선의 위치가 치은 연상이라면 파절편의 제거 및 치은연상 수복을 시 행하고, 치은 연하라면 파절면의 외과적 노출술, 교정적 정출술, 외과적 정출술을 이용한 치아의 수복이 이루어진다. 그 외에 섬유 강화형 포스트를 삽입하여 치관 수복물의 유지력을 높이고, 레진 접착 시스템을 사용하여 치관 파절편을 재부착함으로 써 생물학적으로 최소한으로 침습적인 치료를 하는 방법도 있다. 만약 파절의 정도가 치은 연하로 깊은 경우 발치나 치관절제 술을 이용한 치근의 유지 등을 고려할 수 있다. 본 증례는 치관-치근파절로 내원한 12세 환아로 섬유강화형 포스트를 사용하여 치관 파절편 재부착을 시행하였으며 양호 한 경과를 보여 이를 보고하는 바이다.

MFNN 신경망 모델을 이용한 화자 확인

신강호,이성화 건국대학교 1998 학술논문집 : 건국대 대학원 Vol.47 No.1

In this thesis, experiment have performed with the speaker recognition divided into text-dependent and text-independent speaker identification using multiplayer feedforward neural network(MFNN) model. Executing results show as follows ; Text-dependent speaker identification Using LPC Cepstral coefficients is somewhat more enhanced than pitch coefficients. Text-independent speaker identification Using almost solely pitch coefficients for each speaker is more enhanced approcimately average 4 ~ 5 % than LPC or LPC Cepstral coefficients. To record speech data of speaker recognition, each 10 speakers which was consisted of five male and female adults Korean pronounce 10 times for three months. And then they are extracted characteristics coefficient through PDA, LPC analysis, and LPC Cepstral analysis to generate input pattern of Multi-layer Feedforward Neural Network.

각화낭성치성종양의 재발과 연관된 p53, Ki-67, PCNA 및 cytokeratin 17, cytokeratin 18의 발현

신상훈,성화식,이승환 부산대학교 병원 암연구소 2008 부산대병원학술지 Vol.- No.24

The keratocystic odontogenic tumor(OKC) represents approximately 11% of odontogenic cysts and is decided by microscopic and histopathologic determinant rather than by clinical apprearance. The OKC is noted for its capacity to recur after treatment. In this study, p53, Ki-67, PCNA and cytokeratin 17, cytokeratin 18 expression of OKC in relation to non-recurrenct lesion and recurrent lesion after cyst enucleation were examinated. The p53, Ki-67, PCNA and cytokeratin 17, cytokeratin 18 antibody staining were used. The obtained results were as follows. In proliferating rate of non-recurrent OKCs and recurrent OKCs using p53, Ki-67 and PCNA staing, there was not significant difference. In cytokeratin 17 staining, strong positive reaction was showed in all layers of recurrent OKCs rather than non-recurrent OKCs. In cytokeratin 18 staining, negative or weakly positive reaction was showed in recurrent OKCs rather than non-recurrent OKCs. In summary, it was suggested that the recurrence of OKCs was not related to proliferating rate of epithelium and the prognosis of the recurrence of OKCs is helped using cytokeratin 17 and cytokeratin 18.

메타 전자 쇼핑몰의 설계 및 구현

신민화,김승희,배상현,김판구 조선대학교 전자정보통신연구소 2001 電子情報通信硏究所論文誌 Vol.4 No.1

최근 전자상거래의 상업성이 부각되면서 많은 기업들과 개인사업자들이 독자적인 웹서버를 구축하고 자사의 상품 또는 기업에 대한 광고 내용을 인터넷을 통해 서비스를 하고 있다. 그러나 소비자들에게 인지도가 낮은 기업이나 전국의 각 지방의 특산품과 토산품 관련 웹사이트들은 소비자에게 홍보가 부족하고, 상품의 종류와 정보의 부족으로 외면을 당하고 있는 것을 많이 본다. 본 논문에서는 이러한 기업들의 카탈로그를 수집하여 재구성한 후, 한 사이트에서 여러 기업의 상품을 검색할 수 있도록 하여 소비자의 접근과, 각 기업의 상거래 사이트를 활성화 할 수 있는 메타 전자 쇼핑몰 개발에 관해 기술한다. 본 시스템의 특징은 로봇이 자동으로 데이터 베이스를 구축하여 소비자가 쉽게 검색 할 수 있도록 주제어 검색과 디렉토리 검색 및 폴더형맵 검색 인터페이스 구성을 가지고 있다는 점이다.

무릎관절 추적훈련이 편마비 환자의 보행에 미치는 영향

신화경,염호준,조상현,장성호 한국전문물리치료학회 2003 한국전문물리치료학회지 Vol.10 No.3

응급실을 내원한 구강악안면외과 안면골 골절 환자의 변화에 대한 비교 연구

신상훈,성화식,강영훈,황대석,김용덕,김욱규,김종렬,정인교 부산대학교 병원 암연구소 2008 부산대병원학술지 Vol.- No.24

Although there have been many clinical studies about the facial trauma in the recent as well as in the past, severity and frequency of facial trauma are reported multifarious. It seemed to be because of variety of social, cultural, and environmental factors, and the view point of investigators. In this study, we investigated about the patients visiting emergency room during recent 4 years(2004-2007), and compared with retrospective study during former 10 years(1992-1996, 1999-2003) in Dept. OMS Pusan National University Hospital. We assessed the cause, type, demographic, etc, and analyzed alterations of facial bone fractures during past 3 periods. The results were as follows. The total number of patients was increased. 429 patients treated for maxillofacial fractures between January 1992 and December 1996, 466 patients treated between January 1992 and December 1996 and 764 patients treated between January 2004 and December 2007. The male-to-female ratio were 4.6:1, 3.9:1, and 4.16:1, respectively. Patient in the age groups of 10-19 years and 20-29 years increased in the latter two periods. Assaults and falls are decreased gradually, but slip down s are increased. Traffic accidents are still major cause of facial trauma. The mandibular fractures showed the highest incidence thorought three periods. Symphysis fractures of mandible was increased and condyle fractures of mandible was drecreased in the third period.

12주 근력강화훈련 동안 표면근전도 신호의 특성

신화경,조상현,차광석 한국전문물리치료학회 2003 한국전문물리치료학회지 Vol.10 No.1

Ⅰ. 서론 Ⅱ. 연구방법 1. 연구대상 2. 실험설계 3. 근력강화훈련 4. 최대 근력의 평가 5. 표면근전도 신호 수집 가. 장비 설정 나. 표면근전도 신호 수집 6. 신호 처리 가. 주파수 스펙트럼 분석 나. 적분EMG 7. 통계분석 가. 정규화 나. 통계분석 Ⅲ. 결과 1. 근육 둘레의 변화 2. 적분EMG와 근수축력의 변화 가. 등척성 운동 나. 등장성 운동 다. 12주 동안 근력과 적분EMG의 변화 3. 초기중앙주파수의 변화 4. 피로지수의 변화 5. 회귀직선 기울기의 변화 Ⅳ. 고찰 Ⅴ. 결론 This study tested whether repeated measurement of median frequency (MDF)-related variables could express the muscle power changes during a 12-week DeLome strengthening program, by using consecutive overlapping FFT (Fast Fourier transformation) and integrated EMG (IEMG) from surface EMG data for isometric and isotonic exercise. To evaluate the effect of training, the following were recorded every 3 weeks for the elbow flexors and knee extensors of 5 healthy male volunteers: MVC, 1RM, limb circumference, and surface EMG during isometric MVC or isotonic contraction at 10RM load. From the EMG data, IEMG and variables from a regression analysis between MDF and time were obtained. MVC, 1RM, IEMG, and initial MDF increased linearly over the training period. The fatigue index and slope of the regression line increased temporarily until the 6th week and decreased thereafter. From these results, there appeared to be enhanced neural recruitment of fast twitch fibers in the first 6 weeks and continued enhancement in the recruitment and hypertrophy of fast twitch fibers, which led to increased fatigue resistance, over the last 6 weeks. Accordingly, the MDF and IEMG analysis technique could demonstrate the effect of the program detected significant changes in both isometric and isotonic contractions. EMG analysis methods can be used to estimate the electrophysiological and histological changes in skeletal muscles during a strengthening program.

중학교 남녀학생별 가정교과에 대한 인식 및 학습효과 : 경남지역을 중심으로

신동순,김상희,오화자,정효숙,정혜경 한국 가정과 교육 학회 1997 한국가정과교육학회지 Vol.9 No.1

The aims of this research study is to clear the differences of the learning effects and the cognition of Home Economics by sex in the middle school and to collect the future-oriented educational datas, after implementing the 6th education curriculum. The results of the study are as follows ; 1. Most of students had the cognition that Home Economics is a subject matter of a needful knowledge and skill for the family life, half students a cultural subject matter for the modern life. The former was supported by female students, the latter by male students. 2. Most of students were interested in actual training fields of cooking and hand-sewing, had a strong interest about a field of physical and social-psychological growth. The differences by sex were statistically significant in these fields. 3. Most of students had positive responses in the learning effects of Home Economics. The most useful field was cooking and the worst was the structure and method of sewing machine. 4. The shortage and the dissatisfaction in the learning of Home Economics were lacking of the actual training hours, the old-fashioned teaching methods and the shortage of teaching materials etc.