성악 전공 학생의 가칭 시 음성의 SPR(Singing Power Ratio)에 관한 연구

조성미,정옥란,이상욱 한국음성과학회 2004 음성과학 Vol.11 No.4

This study attempted to provide a spectrum analysis for quantitative evaluation of singing voice quality of singing students rather than the presence or absence of the singer's formant. The regression analysis was used to analyse the relationship between ringing quality, SPR, and SPP of singing voice of college student subjects majoring in music. This study measured singing power ratio (SPR) in 41 singing students. Digital audio recordings were made in sung vowels for acoustic analyses. Each sample was judged by 1 experienced singing teacher and 4 voice pathologists on one semantic bipolar 7-point scales (ringing-dull). The results showed that the SPR and SPP had significant correlations with ringing Quality. The SPR had a significant relationship with ringing quality on singing voice in singing students. The SPR can be an important quantitative measurement for evaluating singing voice quality.

백서 심근경색모델에서 시간경과와 경색의 크기에 따른 심자도의 변화

김미성(Mi Sung Kim),박영선(Young Sun Park),권순길(Sun Gil Kwon),지정훈(Jeong Hoon Ji),신종성(Jong Sung Shin),오광식(Kwang Sik Oh),양용모(Yong Mo Yang),연태진(Tae Jin Youn),김동운(Dong Woon Kim),조명찬(Myeong Chan Cho),이용호(Yong Ho 대한내과학회 2002 대한내과학회지 Vol.62 No.1

N/A Background: Magnetocardiogram (MCG), which records the changes of magnetic fields generated by the heart`s electrical activity, theoritically can provide unique data for clinical application. To date, MCG has been investigated only at a single time point after myocardial infarction (MI) with severe left ventricular dysfunction in rats. The purpose of the present study was to investigate sequential changes of MCG after MI and to evaluate effects of infarct size on MCG. Methods: Acute MI were induced by the permanent ligation of left coronary artery in 22 rats. Magnetic fields were recorded just above a rat with Nb Superconducting Quantum Interference Device (SQUID) gradiometer inside a magnetically shielded room. MCG was measured before and immediately after surgery and it was subsequently recorded at the time points of 1, 4 and 6 hours post operatively. MCG was also measured at 1, 3, 7 and 21 days after surgery. Results: Elevation of ST segment and appearance of pathological Q wave on the MCG were evident immediately after the ligation of coronary artery and persisted to 6 hours after MI. On MCG, ST segment was depressed and T wave was inverted from 1 day after MI. In rats with small-and moderate- sized MI (infarct size〈30%), ST depression returned to near the isoelectric level and Q wave disappeared from 7 days after MI. However, ST depression and Q wave were still present in rats with larger infarct (infarct size≥30%). Conclusion: Evolutional changes of MCG were well-recognized up to 21 days after MI. Furthermore, the infarct size can be expressed by the extent of Q wave and ST segment depression on MCG. Taken together, these data indicate that MCG is a helpful modality for the diagnosis, evaluation of infarct size and follow up after MI.(Korean J Med 62:42-48, 2002)

실용음악 전공 학생들의 발성치료 전후 성대 및 음성 특성 비교

황연신,심미란,김철준,최용석,김상연,최찬호,선동일,Hwang, Yeon Shin,Shim, Mi Ran,Kim, Chul Jun,Choi, Yong Suk,Kim, Sang Yeon,Choi, Chan Ho,Sun, Dong Il 대한후두음성언어의학회 2016 대한후두음성언어의학회지 Vol.27 No.2

Background and Objectives : Many students major in applied music singing have various difficulties in phonation when they sing or perform. But the studies about this cause are lack. The purpose of this study is whether singing voice therapy based on vocal music is effective or not to applied music singing students that have difficulties in phonation. Materials and Methods : Singing voice therapy program had been done to 8 students major in applied music singing during 7 weeks. We did laryngeal stroboscope, perceptual, acoustic and aerodynamic examination before and after singing voice therapy to this students. And we studied post examination results have differences or improvements compared to pre examination results. Results : Four male students don't have effective improvement after singing voice therapy but they shows slight improvement in aerodynamic examination values compared to pre examination values. Four female students shows improvement in aerodynamic examination values and pitch range increasing. Above all, one student's vocal nodules disappeared after singing voice therapy. Conclusion : Singing voice therapy based on music singing is very effective to the students major in applied music singing. Above all, their curriculum in applied music singing should include phonation training based on music singing before training perform and technic practices.

Myocardial Protection by Recombinant Soluble P-selectin Glycoprotein Ligand-1 Suppression of Neutrophil and Platelet Interaction Following Ischemia and Reperfusion

Sang Soo Ham,Yoon Young Jang,Jin Ho Song,Hyang Mi Lee,Kwang Joon Kim,Jun Sik Hong,Yong Kyoo Shin 대한생리학회-대한약리학회 2000 The Korean Journal of Physiology & Pharmacology Vol.4 No.6

<P> Polymorphonuclear leukocytes (PMNs) play an important role in myocardial ischemia/reperfusion (MI/R) injury. Moreover, platelets are also important blood cells that can aggravate myocardial ischemic injury. This study was designed to test the effects of PMNs and platelets separately and together in provoking cardiac dysfunction in isolated perfused rat hearts following ischemia and reperfusion. Additional control rat hearts were perfused with 75⁓10<SUP>6</SUP> PMNs, with 75⁓10<SUP>6</SUP> platelets, or with 75⁓10<SUP>6</SUP> PMNs⁢75⁓10<SUP>6</SUP> platelets over a five minute perfusion followed by a 75 min observation period. No significant reduction in coronary flow (CF), left ventricular developed pressure (LVDP), or the first derivative of LVDP (dP/dt max) was observed at the end of the observation period in any non-ischemic group. Similarly, global ischemia (I) for 20 min followed by 45 minutes of reperfusion (R) produced no sustained effects on the final recovery of any of these parameters in any group of hearts perfused in the absence of blood cells. However, I/R hearts perfused with either PMNs or platelets alone exhibited decreases in these variables of 5∼10% (p<0.05 from control). Furthermore, I/R hearts perfused with both PMNs and platelets exhibited decreases of 50 to 60% in all measurements of cardiac function (p<0.01). These dual cell perfused I/R hearts also exhibited marked increases in cardiac myeloperoxidase (MPO) activity indicating a significant PMN infiltration, and enhanced P-selectin expression on the coronary microvascular endothelium. All cardiaodynamic effects as well as PMN accumulation and P-selectin expression were markedly attenuated by a recombinant soluble PSGL-1 which inhibits selectin mediated cell adhesion. These results provide evidence that platelets and PMNs act synergistically in provoking post-reperfusion cardiac dysfunction, and that this may be largely due to cell to cell interactions mediated by P-selectin. These results also demonstrate that a recombinant soluble PSGL-1 reduces myocardial reperfusion injury by platelet and PMNs interaction.

잿빛만가닥버섯(Lyophyllum decastes)의 발효톱밥에 의한 인공재배 특성에 관한 연구

우성미 외 한국버섯학회 2009 한국버섯학회지 Vol.7 No.4

잿빛만가닥버섯의 인공재배법을 개발하고자 국내·외에서 수집한 균주의 균사배양 특성을 검정하고 자실체 발생을 위한 다양한 재배방법을 구명하였다. 잿빛만가닥버섯 9균주를 공시하여 선발한 결과는 다음과 같다. 균사생장속도가 빠르고 균사밀도가 양호한 SPA 202 및 SPA 205균주를 선발하였으며 선발배지는 BC배지가 가장 양호하였다. 인공재배 시 참나무톱밥과 포플러톱밥이 균사생장속도가 가장 빠르고 균사밀도가 가장 치밀하였으며 최적배지는 발효톱밥을 사용한 참나무톱밥(Quercus aliena)40%+포플러톱밥(Populus deltoides)40%+미강(Rice bran)10 %+밀기울(Wheat bran)10% 배지로서 이 때균사배양적온은 20-25℃이며 배양기간은 접종 후 50일, 복토 후 7일이 소요되었으며, 원기형성 및 자실체생육기간은 17-18℃에서 각각 10~11일, 7~8일이 소요되었다. SPA 202균주의 수확적기의 자실체는 갓의 직경이 60mm, 대의 길이가 67mm이며, 수량은1,100㎖병당 130g이었으며 SPA 205균주의 수확적기의 자실체는 갓의 직경이 51mm, 대의 길이가 81mm, 129g이었다. 잿빛만가닥버섯 인공재배 결과, 배지는 발효톱밥 처리구가 미발효톱밥 처리구보다 수량이 많아 SPA 202균주와 SPA 205균주가 가장 양호한 균주로 선발되었다. These experiments were carried out to determine the optimal culture conditions for nine strains of collected Hatakeshimeji, Lyophyllum decastes (Fr.:Fr.) Sing. SPA 202 and SPA 205 strains were selected because mycelium grew fast and showed fine density. All strains showed fast mycelial growth and mycelial density on BC(Burke compost) media for 20 days of incubation. The optimal sawdust species for the mycelial growth were the fermented sawdusts of Quercus aliena and Populus deltoides. Spawn running period on the fermented sawdust substrate required 50 days at 20 to 25℃ and additional 7 days after soil casing. Cultivation period and temperature forprimordia formation and fruitbody development appeared from 10 to 11 days and from 7 to 8 days at 17 to 18℃ respectively. The length of pilei and stipes of SPA 202 harvested in optimal stage showed 60mm and 67mm, respectively. Yield of SPA 202 strain grown on fermented sawdust substrate was 130g per 1,100㎖ in bottle cultivation. The length of pilei and stipes of SPA 205harvested in optimal stage showed 51mm and 81mm, respectively. Yield of SPA 205 strain grown on fermented sawdust substrate was 129g per 1,100 ㎖ in bottle cultivation. SPA 202 strain and SPA 205 strain in artificial bottle cultivation of Lyophyllum decastes used in fermented sawdust substrate were selected as themost appropriate strain in yield.

중환자실 간호사와 일반병동 간호사의 역할갈등과 직무만족도 비교연구

성미혜 대한간호학회 간호행정학회 2006 간호행정학회지 Vol.12 No.1

Purpose: The purpose of this study was to identify and compare role conflict and job satisfaction between nurses in ICU and nurses in general ward. Method: The subjects of this study consisted of 141 nurses employed at ICU and 201 nurses employed at general ward, who were recruited from 5 university hospitals with 500 beds located in Seoul and Gyeonggido. The instruments included role conflict scale developed by Kim and Park(1995) and job satisfaction scale translated and modified by Lee(1996). The collected data were analyzed using the SPSS WIN 10.0 program for descriptive statistics, t-test, ANOVA, and Pearson correlation coefficient. Result: In the two groups, there was a inverse correlation between role conflict and job satisfaction. In ICU, nurses' role conflict levels differed significantly depending on religion(p<.05), total experience(p<.05), scheduled to work as a nurse(p<.05). And nurses' job satisfaction levels differed significantly depending on total experience(p<.05), working period in current post(p<.001), scheduled to work as a nurse(p<.001), motive of choosing the nursing science(p<.01), and job satisfaction(p<.001). In general ward, nurses' job satisfaction levels differed significantly depending on marital status(p<.05), educational 1eve1(p<.01), total experience(p<.001), motive of choosing the nursing science(p<.01), and job satisfaction(p<.001). Conclusion: Summing up, the nurses at ICU showed higher level of role conflict than the nurses ay general ward. Therefore, it is needed to decrease the level of nurse's role conflict and improve their job satisfaction in ICU.

정밀주조 다이캐스팅을 이용한 자동차 레귤레이터 하우징 성형해석에 관한 연구

성백섭,김미애,차용훈,김정대,김덕중,이연신 한국공작기계학회 2006 한국공작기계학회 추계학술대회논문집 Vol.2006 No.-

The casting defects that are caused by molten metal were cold shut formation, entrapment of air, gas, and inclusion. But the control of casting defects has been based on the experience of the foundry engineers. In this thesis, the computer simulation analyzed the flow of molten metal. The quantitative analyses which proposed the effective mold design was executed Flow patterns of 0.1-0.16m/s molten metal in 15mm thin plate casting were investigated in order to optimize die-casting process. As increasing ingate velocity in thin plate casting, cold shot was decreased. The parameters of runner shape that affected on the optimized conditions that was calculated with simple equation were investigated. These die casting process control techniques of automobile regulator housing parts have achieved good agreement with the experimental data of tensile strength, hardness test, and material structure photographies satisfactory results.

여대생의 섭식장애에 영향을 미치는 요인에 관한 연구

성미혜 韓國學校保健學會 2005 韓國學校保健學會誌 Vol.18 No.1

Purpose: This study was undertaken in order to examine relations of eating disorders, health locus of control of college women, and to determine factors affecting eating disorders of college women. Method: The subjects were 282 students at a university in Busan. The instrument used for this study was a questionnaire on general characteristics, eating disorders (24 items), health locus of control (11 item) and self-esteem (10 item). Data were analyzed using means, percentages, t-test, ANOVA, Pearson correlation coefficients and stepwise multiple regression with a SPSS WIN 11.0 program. Result : Depending on BMI, there was no obese subject, 62.0% of the subjects were underweight, and 37.9% were normal. Over 40% of the subjects perceived them to be overweight while 62.1% of the women were underweight as defined by BMI. The total mean score of anorexia was higher than bulimia nervosa. There were significant differences in eating disorders according to BMI, perceived view of appearance, body satisfaction, experienced weight-control, and predictors of weight control method. Eating disorders showed a significant negative correlation with health locus of control and self-esteem. Stepwise multiple regression analysis revealed that the most powerful predictor of eating disorders was BMI. Experienced weight control, health locus of control and self-esteem and body appearance had significant effects on eating disorders. There predictive variables of eating disorders explained 27% of variance. Conclusion: The result of this study showed that eating behaviors among college women developed into eating disorders or were seriously disturbed. Therefore, to prevent eating disorders, health education should be provided to college women in relation to eating behaviors for health management.

Garcin 증후군으로 발현된 연골육종 1예

강성수,김명권,박현미,류근신,신동진 대한신경과학회 1999 대한신경과학회지 Vol.17 No.2

학사학위 특별과정에 대한 간호사의 요구도 조사

성미혜 인제대학교 1998 仁濟論叢 Vol.14 No.1

본 연구는 학사학위 특별과정에 대한 요구도를 조사함으로써 우리나라 실정에 맞는 학사학위 특별과정의 교과과정 개발의 기초자료를 제공하기 위하여 실시되었다. 자료수집은 1997년 7월 20일 부터 10월 30일 까지 서울시내 2개 대학병원과 부산 시내 1개 대학병원 간호사 908명을 대상으로 편의 수집되었다. 연구도구는 연구목적에 맞게 본 연구자가 개발한 구조화된 질문지로, 질문지의 내용은 일반적 특성 5개 문항, 특별과정에 대한 태도 6개 문항, 특별과정의 교과과정에 대한 요구도 27개 문항으로 구성되었다. 수집된 자료는 대상자의 특성에 대해 실수와 백분율을, 대상자의 일반적 특성과 특별과정에 대한 태도 및 교과과정에 대한 요구정도와의 차이는 ANOVA로 분석하였다. 본 연구의 결과는 다음과 같다. 1. 대상자의 특별과정에 대한 태도중 의견에서는 85.2%가 찬성하는 것으로 나타났으며, 찬성의 이유로는 학사학위 취득의 기회가 54.1%로 가장 높게 나타났다. 2. 특별과정의 교과과정에 대한 요구도중 원하는 출석요일은 금요일 34.5%, 토요일 21.3%로 가장 많았으며, 주당 원하는 과목수는 2-3과목이 79.1%로 가장 많았다. 3. 일반적 특성에 따른 특별과정에 대한 태도는 연령, 교육정도, 임상경력, 직급에 따라 유의한 차이가 있었다. 즉 연령이 높은 군이 낮은 군보다, 교육정도가 방송통신대 재학중인 군이 다른 군보다, 임상경력이 많은 군이 적은 군보다, 직급이 높은 군이 낮은 군보다 특별과정에 대한 태도의 점수가 높았다. 4. 일반적 특성과 특별과정에 대한 요구를 검정한 결과 유의한 차이가 없는 것으로 나타났다. This study was practiced to offer the data for development of our nursing curriculum for the special course of the degree of Bachelor by reviewing demand for the special course of the degree of Bachelor. The data gathered through the subjects consisted of 908 nurses of 2 university hospitals in Seoul and 1 in Pusan from July 20, 1997 to October 30, 1997. The instrument was structured questionaire developed suitable for its purpose by the researcher and its contents were 5 questions in general characteristic 6 questions in attitude to the special course and 27 questions in demand for curriculum for the special course. The collected data were analyzed with number and percentage in subject's characteristic and ANOVA in subject's general characteristic, attitude to the special course and demand for curriculum. The conclusion is as folows. 1. In attitude to the special course, the subjects expressed 85.2% of agreement and in its reason, the opportunity for earning the degree of Bachelor was the highest rate, 54.1%. 2. In demand for curriculum for the special course, the fovirite study day Friday, 34.5% and Saturday, 21.3% and the wanted number of subjects per week were 2-3 subjects, the highest 79.1%. 3. In attitude to the special course, there were differences according to age, education level, clinical experience, title. That is, higher age group, student group in ratio and correspondence college, more clinical experience and demand for the special course. The research provided the suggestions as follows on the basis of result of this study. 1) It is necessary to study continually appropriate method of earning credit for R.N. from diploma in nursing, 2) The desirable curriculum for the special course of B.S.N. should be developed. 3) As methods of study for the special course of B.S.N., it is required to research self-directed learning and objective appraisal for individual task.