• 대한전기학회:학술대회논문집
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• 대한전기학회 1987년도 정기총회 및 창립40주년기념 학술대회 학회본부
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• pp.469-473
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• 1987

This paper presents a method to estimate p.d.f.(probability density function) of harmonic phasor voltage. Because the quantity of harmonics is not fixed, stochastic analysis of harmonics is needed. Because it is impossible to obtain p.d.f. of voltage from p.d.f. of current directly, the moments of voltage and current are used. Firstly, the moments of current is calculated from p.d.f. of current. Secondly, the moments of voltage are calculated from the moments of current using the linearity of the moments. Finally, p.d.f. of voltage is estimated from the moments of voltage using Gram-Charlier Type A Series. [1] The moments of the p.d.f. obtained by the series and of the true p.d.f. is same up to given finite moments. Because current and voltage of harmonics are represented as not instantaneous values but phasors, the estimated value can be compared with the measured value and harmonic phasor voltage can be analyzed when the p.d.f. of phase is nonuniform as well as uniform.

• 여성건강간호학회지
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• 제9권4호
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• pp.479-488
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• 2003

Purpose: The purpose of this study was to identify the relationship between self reported climacteric symptoms, and depression, and the quality of life in middle aged women. Method: The subjects of this study were 149 women from 40 to 64 years of age. Climacteric symptoms were measured with Neugarton's tool(1965) and depression with Zung's tool. Quality of life was related to self reported climacteric symptoms were education level (F=3.011, p=.035), income measured by Rho's tool(1988). Result: The general characteristic variables significantly level (F=2.670, p=.057), income satisfaction (F=3.413. p=.011), perceived subjective health condition(F=28.623, p=.000). The general characteristic variables significantly related to depression were age(t=-2.476, p=.014), education level (F=4.492, p.013). income satisfaction (F=2.845, p.026), perceived subjective health condition (F = 8.468, p=.000). The general characteristics variables significantly related to quality of life were income level (F= 5.010, p=.000), income satisfaction (F=6.314, p=.000), perceived subjective health condition (F=3.516, p<=.032). menstruation cycles(t=-2.66, p=.023). The relationship between self reported climacteric symptoms and depression had a statistically a positive correlation (r=.357, p=.000). The relationship between depression and quality of life had a statistically with a negative correlation(r=-.397, p=.000). Conclusion: These results may contribute to a better understanding of depression and quality of life in middle aged women. Therefore, health programs for prompting climacteric women´s health should be a planned based on results of the study.

• Child Health Nursing Research
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• 제10권4호
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• pp.468-478
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• 2004

Purpose: The purpose of this study was to provide basic data for the development of education programs for unmarried mothers. Method: From a group of unmarried mothers using social welfare facilities, 201 participated in this study. The study was done from October 2003 to April 2004 and self-efficacy, self-esteem, sexual knowledge, sexual attitude were measured. Results: 1. On the basis of 100 points, self-efficacy averaged 62.76, self-esteem, 60.96, sexual knowledge, 58.75 and sexual attitude, 71.52. 2. According to the general characteristics of the women, there were significant differences in self-efficacy according to age (F=4.237, p=.006), schooling (F=5.071, p=.007), job prior to pregnancy (F=4.341, p=.002), and family income (F=6.183, p=.002). There was a significant difference in self-esteem according to family income (F=4.243, p=.016). There were significant differences in sexual knowledge according to age (F=3.950, p=.009), schooling (F=14.869, p=.000), family income (F=9.304, p=.001), number of pregnancies (t=-2.532, p=.012), and experience of abortion (t=2.775, p=.006), and, in sexual attitude according to schooling (F=7.356, p=.001) and family income (F=7.647, p=.001). 3. There were significant relationships between self-efficacy and self-esteem (r=.598, p=.000), and between sexual knowledge and sexual attitude (r=.569, p=.000). Conclusion: Pregnancy prevention programs should include sexual education and interventions designed to increase self-efficacy and self-esteem.

• 대한수학회논문집
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• 제22권4호
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• pp.509-512
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• 2007

We aim at deriving Gauss's second summation theorem for the series $_2F_1(1/2)$ by using Euler's integral representation for $_2F_1$. It seems that this method of proof has not been tried.

• 재활간호학회지
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• 제7권2호
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• pp.220-230
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• 2004

Purpose: The study has planned to find out the perceived social support of the families with pneumoconiosis patients. Method: The subjects of the study were the 300 family care givers of the pneumoconiosis patients who were hospitalized in Taeback, Donghae and Jeongsun Occupational Medical Center. The Social Support Survey Instrument developed by Park(1985) was adopted. Results: The Direct Perceived Supports showed statistically differences by the age(F=1.70 p=0.01) and the state of the disease(F=3.09 p=0.027) of the patients. The Health Situation Centered Support was different by the marietal situation(F=2.29 p=0.48) of the pneumoconiosis patients. The Indirect Perceived Supports were statistically different by sex(t=3.76 p=0.043) and relation with the patient (F=2.49 p=0.048), group joining(t=3.79 p=0.042) of the family care givers. The DPSs were statistically different by family income(F=2.25 p=0.025), family authority(F=2.81 p=0.031) and health insurance status(F=2.13 p=0.026). Recommendation: It is recommended to develop an active social support program at the pneumoconiosis care centers for the middle aged female family care givers of the pneumoconiosis patients with the support of Ministry of Labor, Ministry of Health and Welfare and other NGOs of pneumoconiosis.

• 재활간호학회지
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• 제11권2호
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• pp.81-89
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• 2008

Purpose: The aim of this study was to explore the relationship between powerlessness, sense of belonging and nutritional status of the elderly. Method: The study sample was 100 living at home and institutions. Data were collected by interview from Oct. to Dec. in 2003. The instruments were helplessness scale developed by Jung (1998), sense of belonging scale SOBI-A and nutritional initial screening. Results: The mean score of powerlessness was $2.71{\pm}0.30$, sense of belonging was $2.87{\pm}0.19$ and nutritional status was $4.42{\pm}3.34$. There was a statistically significant differences in powerlessness according to age (F=3.185, p=0.027), health status (F=6.945, P=0.002), religion (F=5.941, P=0.001), current spouse (t=-0.384, p=0.026), in sense of belonging according to age (F=4.40, P=0.006), length of education (F=10.64, P=<.0001) and in nutritional status according to age (F=3.34, P=0.022), health status (F=2.86, P=0.027). There was a statistically significant correlation between powerlessness and nutritional status (r=0.219, p=0.029). Conclusions: Nurses are able to decrease powerlessness or increase sense of belonging and nutritional status of the elderly by developing the health promotion program, improving perceived health status and empowering social interaction of the elderly specifically living at institutions.

• 한국지반공학회논문집
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• 제29권9호
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• pp.43-54
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• 2013

본 연구는 연약지반현장의 사면활동에 관한 계측자료를 분석하여, p-q 응력경로에서 얻은 안정관리지수(Stability Control Index, SCI)를 이용한 새로운 성토체의 안정관리기법을 제안하고자 한다. 여기서는 이와 같은 새로운 기법을 검증하기 위하여 삼축압축시험(CU)을 실시하여 현장 계측자료와 상호 비교 검토하였다. 안정관리지수(SCI)는 응력경로에서 전응력경로점 $p_{max}$ 와 $k_f$선상의 점 $p_f$사이의 상대적인 위치를 이용하여 현재의 유효응력경로점 ($p^{\prime}=p-{\Delta}u$)으로부터 얻은 값이다. 이와 같은 결과로 유효응력점 $p^{\prime}(=p-{\Delta}u)$ 는 간극수압이 발생될 때는 $k_f$선상의 점인 $p_f$, 간극수압이 소산될 때는 전응력점인 $p^{\prime}_{max}$에 접근할 것이다. 따라서 안정관리지수(SCI)는 유효응력경로점의 상대적인 위치로부터 성토체의 안정상태를 정량적으로 평가할 수 있다.

• 한국산학기술학회논문지
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• 제17권2호
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• pp.147-155
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• 2016

본 연구의 목적은 간호대학생의 대인관계, 임상실습 스트레스 및 임상실습 만족도를 파악하고, 제 변수의 상관관계를 조사하기 위해 시도되었다. 본 연구는 대구 경북 지역 3개 대학교 간호학과에 재학 중인 3,4학년생 261명을 대상으로 2015년 9월 7일~18까지 설문조사하였고, 기술통계, t-test, ANOVA, Pearson correlation coefficients, Stepwise multiple regression으로 분석하였다. 연구결과 대상자의 대인관계는 평균 $3.74{\pm}0.39$점, 임상실습 스트레스는 $3.21{\pm}0.54$점, 임상실습 만족도는 $3.44{\pm}0.45$점이었다. 대인관계는 연령(F=3.12, p=.046), 간호학 전공만족도(F=15.84, p<.001), 대인관계 중요성(F=4.76, p=.001), 학업성적(F=3.80, p=.011)에 따라 유의한 차이가 있었다. 임상실습 스트레스는 연령(F=8.05, p<.001), 간호학 지원동기(F=4.55, p=.001), 간호학 전공만족도(F=2.69, p=.046)에 따라 유의한 차이가 있었다. 임상실습 만족도는 간호학 전공만족도(F=3.24, p=.022), 대인관계 중요성(F=3.01, p=.019), 학업성적(F=5.24, p=.002)에 따라 유의한 차이가 있었다. 대인관계와 임상실습 만족도(r=.24, p<.001)는 유의한 순 상관관계가 있었으며, 임상실습 만족도에 영향을 미치는 요소는 대인관계(${\beta}=.21$, p<.001), 학업성적(${\beta}=.12$, p=.045)이었다. 결론적으로 간호대학생의 임상실습 만족도를 높이기 위해서 간호대학생의 대인관계능력을 향상시키기 위한 중재 방안이 필요하다.

• 기본간호학회지
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• 제3권1호
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• pp.81-95
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• 1996

The purpose of this study was to investigate the effects of breast self-examination teaching methods which are printed material, videotape, demonstration used BSE model on women. The subjects for this study were non-medical professional 88 women in Kwangju. The data was collected from October 16 to November 24, 1995 by means of a structured questionnaire. For measuring BSE knowledge, Kim's(1994) instrument was used ard modified by researcher. For measuring BSE attitude based on health belief, Lee's(1982) & Kim's(1994) instrument was used and modified by researcher. Printed material from literature were reviewed by researcher, 'A woman's guide to breast self-examination' videotape by Nurse Practitioner Creation and BSE simulator by Narco were used 21 attitude scale and 13 knowledge scale were checked before and after teaching methods. The data was analyzed by frequency, paired t-test, ANOVA using the SAS program. The results were as follows : 1. The BSE total knowledge score after having teaching was higher than before, different significantly(t=-14.05, p=0.000). The most effective teaching method on BSE knowledge change was demonstration used BSE model in three teaching methods and was different significantly(F=8.44, p=0.000). 2. The BSE total attitude score after having teaching was changed to more positively, different significantly(t=4.59, p=0.000). The most effective teaching method on positive BSE attitude change was demonstration used BSE model in three teaching methods and was different significantly(F=3.21, p=0.045). 3. The HB score after having teaching was higher than before, and benefits, barriers and health concerns were different significantly(t=-2.51, p=0.014 ; t=-4.53, p=0.000 ; t=-3.71, p=0.000). Susceptibility and seriousness were not different significantly. 4. There were different significantly among knowledge, religion(F=3.92, p=0.013) and child (F=3.08, p=0.08). There were different significantly among attitude, age(F=4.65, p=0.05), mansturation state(F=4.39, p=0.016), and artificial abortion experience(F=5.18, p=0.026). There were different significantly among health concern, age(F=2.50, p=0.068), delivary experience(F=3.22, p=0.076), artificial abortion experience(F=5.46, p=0.023), and feeding(F=6.24, p=0.003). Printed material, videotape, and demonstration used BSE model may be valuable for changing positively knowledge and attitude related to BSE. Demonstration used BSE model was most effective teaching method in this study. Therefore, this study revealed that BSE teaching methods were a useful nursing intervention for promoting practice regularily and exactly on women.

• 한국간호교육학회지
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• 제12권1호
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• pp.43-51
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• 2006

Purpose: This study was performed to identity the relationship between PMS and menstrual attitudes. Method: Data were collected from 417 female college students in Seoul and Gyeonggi-do area during the period from the 6th of September to the 15th of October in 2004. Collected data were analysed using the SPSS WIN 11.0. Result: The results of this study were as follows: 1) Perceived subjective symptoms were clustered endogenous depressive feature($2.76{\pm}.97$), anxiety($2.76{\pm}1.09$), and impulsivity($2.72{\pm}1.02$). 2) PMS was significantly different according to the general characteristics of grade(F=3.414, p=.018), major(F=2.755, P=.004), menarche age(F=5.910, p=.003), pain(F=7.886, p=.000), family history(F=5.366, p=.005). 3) Menstrual attitudes was significantly different according to the general characteristics of grade(F=3.315, p=.020), major(F=3.813, P=.000), religion(F=6.313, p=.000), interval of menstruation(F=2.834, p=.016), pain(F=3.059, p=.048), family history(F=3.062, p=.048). 4) Menstrual attitudes and PMS were in a positive correlation with each other (r=.112, p=.002). Conclusion: This results showed that there is a significant correlation between PMS and menstrual attitudes. For further research, it is recommended to identity major factors affecting PMS and the relationships between them and various subjects.