憲法 10條와 强制勞役

朴愛卿 梨花女子大學校 法政大學 1968 法政學報 Vol.12 No.-

시차열분석에 의한 반응속도 측정에 관한 연구

朴慶愛 단국대학교 대학원 1988 學術論叢 Vol.12 No.-

The kinetic parameters were estimated from differential thermal analysis (DTA) method which was measured by the difference in temperature between reactant and reference material with respect to time. DTA equations derived from Borchardt & Daniels and Matsuda & Goto were applied to non-isothermal system which was heated with the constant heating rate, 0.465℃/min. and pseudo-isothermal system which was not heated and temperature was remained as isothermal as possible. In non and pseudo-isothermal system, the experimental range was 35℃-45℃ with hydrolysis of acetic anhydride. As the result, kinetic parameters were obtained from non-isothermal system in some degree larger than pseudo-isothermal system. When the experimental DTA curve with theoretical DTA curve, error was 3% and 5.3% in pseudo and non-isothermal system, respectively. In non-isothermal system, error was large since the heat transfer coefficient, K, was regarded as constant, on the other hand in pseudo-isothermal system, the volumetric heat transfer coefficient, Ua, was considered that function of temperature. If heat capacity of solution were applied instead of solvent' and were regarded as the function of temperature, then kinetic parameters were obtained in their values more accurately.

분산 Model의 해석적 비교에 관한 연구

朴慶愛,鄭一鉉,姜斗煥 단국대학교 대학원 1984 學術論叢 Vol.8 No.-

Estimates of dispersion coefficients in flowing fluids may be made from measurements of the step response of this system and comparisons of the experimental output concentration with the concentration calculated from theoretical consideration. Comparisons of theoretical and experimental concentration in the time domain and in the Laplace transform domain are considered. When the outlet signal was calculated by the method of moments, an accurate value of the dispersion coefficient could not be found when dispersion was small because of the effect of errors in the tails of the response. It is found that good estimates of dispersion coefficients can be made from comparisons in the Laplace transform the appropriate ranges of transform parameters are chosen for the comparisons. The optimum weighting factors are defined as those which give the most reliable parameter estimated from the experimental data. The application of the weighted moments method of parameter estimation to typical models in R.T.D. work has been considered, and it has been found superior the to variance method. The relation of this method to other methods has been demonstrated, and a physical interpretation of the method, which provides insight into the optimum choice of the weighting factor, is given. This work took advantage of the step response method that was not affected by the fluid flow in the tracer injection method. So, we were looking for the character of the axial dispersion and the accurate axial dispersion coefficient D_L in fixed bed. The result showed that axial dispersion coefficient D_L was related liearly to superficial velocity and particle diameter, respectively. The equation for the axial dispersion coefficient in the liquid fixed bed is expressed as D_L=0.698U_5^0.532dp^0.643.

에탄올-물 혼합 용매 속에서 포화염의 활동도 계수(1)

鄭一鉉,朴慶愛 단국대학교 1988 論文集 Vol.22 No.-

A model for Estimation of the ionic activity coefficient for ternary solution system was developed from the basis of binary solution system model analytically. In consideration of ionic effect abd nonionic effect in the electrolyte solution, the activity coefficients of mixed solvent were calculated by the presumed parameters. Therefore, mean molal ionic activity coefficient in the ethanol-water saturated solution wuth sodium chhloride was estimated with this ternary solution system model corrected by these presumed parameters, G_(±t) and Z_(±t). The measuring experiment of solubility was carried out by measuring of electromotive force of the ternary solution in the whole range of the ratio for ethanol to water.

간호실무에서 신봉이론(Espoused theories)에 대한 탐색적 연구

서문자,김혜숙,이은희,박영숙,조경숙,강현숙,임난영,김주현,이소우,조복희,이명하,지성애,하양숙,손영희,권성복,김희진,추진아 성인간호학회 2001 성인간호학회지 Vol.13 No.1

As a nursing practice involves nurses' actions in a specific context of health care, this study has focused on exploring the espoused theories in nursing practice within the action science perspectives, Espoused theories are the belief, principles, and rationale expressed by the practitioner as guiding her/his actions in a situation of practice. The data were analysed qualitatively and 25 elements of espoused theories of nursing action were identified and clustered into 6 categories. The 25 elements of espoused theories are as follows: The clinical nurse worked in wholistic and individual nursing, focussed on the patient's needed, comfort and supportive nursing (5 theories of nursing goal) ; excellent skills, knowledge based, assessment and data collection, explaining, educating or a scientific basis(6 theories of nursing intervention): advocacy, value oriented, treatment, account- ability and commitment(4 theories of nursing ethics) ; human respect. partnership, trust(3 theories of patient-nurse relationship) : knowledgable, accumulated clinical experiences and personally lived experiences. positive perspectives(4 theories of nurse), role of intervention. rewarding peer relationship(3 theories of situations) The above mentioned espoused theories are similar to that of nursing textbooks which students learned through basic nursing education and almost the same as the Acts ofa Nurse in Korean. However, we are doubtful whether nurses actually do as they think. Therefore. it is recommended to review the theories-in-use in order to and any discrepancies between the espoused theories and the reality of nursing actions

간호사의 임상 실무 경험

서문자,손행미,강현숙,권성복,김주현,박영숙,이은희,임난영,조경숙,지성애 성인간호학회 2002 성인간호학회지 Vol.14 No.4

purpose: This study was conducted to describe qualitatively the entities of nurse's experiences in general hospitals and to suggest basic data guiding research on developing Standards of clinical nursing practice in Korea. Method: Fourteen nurses working at general hospitals with over 300 beds in Seoul were interviewed in-depth until saturation using tape-recorders and transcription. Result: The central theme of clinical nursing practice experienced by subjects was "being with clients" that means accepting client's personal character, solving client's needs and providing client-centered nursing. A also "being with clients" was felt to be the responsibility of nurses which was learned from their nursing schools. The nursing strategies performed in order to be with patients were proving skillful nursing techniques, accepting, educating, emotional support, advocating, and self-reflecting, the subjects experienced somewhat problematic affects such as difficulties in interpersonal relationship, work overload, negative image of nursing, deficit of self-confidence for nursing actions, poor working conditions, and unfair treatment. Nurses at the hospital practiced with pride when they felt that they were accepted by clients. Conclusion: Further research is needed to analysis problems in clinical practice and the comparison of nurses' experiences of clinical practice, with nurses' experiences in various settings.

프리셉터 경험이 간호업무수행과 직무만족에 미치는 영향 연구

류언나,송혜숙,장은희,서효신,추연화,김인선,나명주,지성애,박경숙 중앙대학교 간호과학연구소 2001 중앙간호논문집 Vol.5 No.2

The purpose of this study was to investigate how preceptor experience has an effect upon preceptor nurses. This study was so designed that it could compare the difference between clinical performance and Job satisfaction of preceptor nurses and those of nonpreceptor nurses. Study subjects were sampled out from those nurses who worked with two university hospitals where preceptor programs were implemented. The number of subjects totaled to 134, including 69 preceptor nurses and 70 nonpreceptor nurses. The score of preceptor nurses' clinical performance and job satisfaction revealed a higher value than that of nonpreceptor nurses. A similar result was also shown in the subdomains. However these difference were not statistically significant. Among all of the preceptor nurses, the highest number of preceptor experience was just one time. Except for five times in preceptor experience, the more the number of times of preceptor experience, the higher score in clinical performance. It was manifested that the number of preceptor experience was not related to job satisfaction. The score of preceptor nurses' clinica1 performance and job satisfaction revealed a higher value than that of nonpreceptor nurses. A similar result was also shown in the subdomains. However these difference were not statistically significant. The reward that preceptor nurses wished most was a reduction of the work load assigned to them. Currently preceptor nurses are only receiving a small quantity of financial reward related with their preceptor role. Most of preceptor nurses (96.8%) were not satisfied with their existing reward. Almost half of the preceptor nurses(43.5%) did not want to play a role as preceptor again. The reason why the scores of clinical performance and job satisfaction were low might be attributed to the inadequate preceptor training program and reward system. Appropriate knowledge and clinical skill are expected to enhance the level of preceptor nurses' clinical performance and appropriate internal and external reward to elevate the level of preceptor nurses' Job satisfaction. Therefore, it is needed for us to develop more effective preceptor education program, financial reward, support of colleague nurses and nursing managers, and adjust workload for the purpose of more effective preceptor programs.

A Study of Numerical Experiments on the Tide and Surge in the Korea Straits

Kyung-Ai Park,Hui-Soo An 한국지구과학회 1990 韓國地球科學會誌 Vol.11 No.1

Using a numerical model, the tidal phenomena in the Korea Straits were studied. The co-tidal and co-range charts of the main four tidal components of M2, S2, K1 and O1, were made. The tidal range for M2 tide in the southern coast is more than 200cm, and as going to the Japan Sea it abruptly decreased to only few centimeters around the amphidromic point which locates at the southern part of the Japan Sea. And the overall features of the other tides are similar to the M2 tide. Each calculated charts were relatively coincided with those of observed tide by Ogura(1933). For storm surge, the typhoon Thelma in July, 1987, was modelled. The water level by the pressure and wind under the elimination of the tidal effects shows the anti-clockwise rotation and the valid concentric contour around the typhoon center. As the typhoon approaches to the Japan Sea the water level of the eastern coast of Korea is smaller than that of the southern coast which has over 50㎝surge due to the shallow depth. The entire features of water level were comparatively coincident with the observed.

Comparison of solubility parameters for alkane family obtained using cubic equation of state

Kyung Ai Park,In Kwon Hong,김기현 한국공업화학회 2011 Journal of Industrial and Engineering Chemistry Vol.17 No.2

The solubility parameters of ten chemicals belonging to alkane family, having carbon numbers in the range of 1–10, which are necessary for many chemical processes, were calculated and compared with the reference data. The solubility parameter was defined intrinsically as the square root of the cohesive energy density, which is the vaporizing energy per unit volume needed to remove a molecule from its nearest neighbor molecules. Then, the cohesive energy was correlated with the internal pressure derived from the cubic equation of state. The internal pressure concept solubility parameter was adapted to the alkane family and the numerical value was calculated as the colligative property as a function of the temperature and pressure. The validity of the calculated solubility parameters was confirmed within the error tolerance by comparing them with the reference data. The solubility parameters were fitted in three dimensional coordinates with the pressure and temperature and the deviation between each equation of state and the reference data was analyzed.

Solubility prediction of bioantioxidants for functional solvent by group contribution method

Kyung Ai Park,Hyoung Jin Lee,In Kwon Hong 한국공업화학회 2010 Journal of Industrial and Engineering Chemistry Vol.16 No.3

Bioantioxidants protect a living body from the damage and ageing caused by active oxygen. Typical bioantioxidants include epicatechin, caffeic acid, ascorbic acid, etc. This study focused on selecting the optimum solvent that can dissolve each bioantioxidants by calculating the solubility of various bioantioxidants in each specific solvent. The solubility parameters of the bioantioxidants were correlated with the van Krevelen group model, and the solubility of bioantioxidant for each solvent was then calculated from the interaction relationship between each solubility parameter of the bioantioxidant and optimal solvent selected. The solubility of the bioantioxidants was affected not only by the solubility parameters of the solute and solvents, but also by the fusion enthalpy of the solute at melting temperature. Then the fusion enthalpy was measured for each bioantioxidant. The equilibrium non-ideality between the solvent and bioantioxidants examined as a function of the solubility parameter and fusion enthalpy. The optimum solvent was selected for each bioantioxidant based on the quantitative solubility data. Each bioantioxidant showed slight non-ideality, which it was presented in the activity coefficient of the solution system. 2010 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.