炭素工具鋼(SK_3)의 熱傳導係數

權純範,李鍾鵬 경북대학교 공과대학 1981 工大硏究誌 Vol.10 No.-

The numerical value of the thermal conductivity indicates how fast heat will flow in a given material. And the thermal conductivity is temperature-dependent. When the temperature was changed, the thermal conductivity of heat-treated carbon tool steel(SK_3) was obtained by experimental measurements.

소아교정 환자에서의 Strip gingival graft를 이용한 임상 연구

권순원,김종수 大韓小兒齒科學會 1995 大韓小兒齒科學會誌 Vol.22 No.2

In keeping with the concept of rapid epithelialization of close wound edges, the strip technique was developed to maximize the area of gingival grafting with less trauma to the donor site or the recipient site. An incision is made and partial-thickness flap is reflected so that stable periosteum is left. The apical mucosal border of the recipient site is sutured to the periosteum. Donor tissues are obtained in 2mm-wide strips, transfered to the recipient site, and sutured. Dry foil and surgical packing are used to stabilize and protect the site during healing. The donor site is rapidly epithelialized (within 10 days) and produced minimal patient discomfort. The strip gingival autograft technique is a simple surgery that result in less discomfort for the patient and provides predictable results.

상악골과 비사골동에 이환된 백악질 골화성 섬유종(cemento-ssifying fibroma)의 치험례

권대현,김신유,남정순,구명숙,이봉서,권대근,김종배 大韓顎顔面成形再建外科學會 2001 Maxillofacial Plastic Reconstructive Surgery Vol.23 No.6

The cemento-ossifying fibroma is a benign fibro-osseous tumor that may behave in an aggressive pattern. Although found predominantly in the mandible, most of these unusual tumors may arise in the maxilla and paranasal sinuses. Especially these lesion in the maxilla and sinuses behave more aggressively and are more prone to recur compared to mandibular counterparts. Therefore, more radical approach may be recommended than expectant observation or curettage in the initial management of this neoplasm. This is a case report of cemento-ossifying fibroma extended to maxillary sinus and naso-ethmoidal area treated by wide surgical excision after repeated conservative treatments.

노인전문요양시설의 거주단위 모형개발에 관한 연구

권순정,오종희 한국의료복지시설학회 2004 의료·복지 건축 Vol.10 No.2

With its rapid modernization and unparalleled speed of aging, South Korea faces the need for dramatic increase in its supply of nursing homes. Among the spacial components of nursing homes, residential units are considered as an essential part because the older person in nursing homes usually spend most of their time in residential units and the nursing homes are mainly composed of various residential units. It is necessary, therefore, to prepare a guideline for the plan of residential units in order to design the healthy and efficient nursing homes. This paper has first identified the concept of residential unit and analyzed 66 cases in the 62 nursing homes from 4 countries. And 4 nursing homes in Korea have been surveyed for the in-depth study. On the basis of this analysis, architectural prototypes of residential units have been proposed and the architectural characteristics of them have been compared analytically.

중학생이 지각한 체육교사의 의사소통 유형이 체육수업 태도와 만족도에 미치는 영향

권순실,이종길 충남대학교 체육과학연구소 2006 體育科學硏究誌 Vol.24 No.1

The purposes of this study were to find out influences of physical education teacher's communication types perceived by students on attitude toward and satisfaction with physical education class of Korean middle schools. To prove the research hypotheses, the questionnaires were distributed to 808 students selected from 39 classes of 10 middle schools located in Daejeon city, and 707 subjects data were finally collected to analyze. The statistical methods used for analyzing the collected data were ANOVA, Chi-square test, Multiple Regression Analysis, and so on. This study found out that 'accept-promoting' as communication types of teachers perceived by students had positive influences on attitude and satisfaction with physical education class in the middle schools.

세무조정과 기업특성 변수의 관련성 연구

권순창,김형국,채종화 한국세무회계학회 2004 세무회계연구 Vol.14 No.-

본 연구는 세무조정과 기업특성변수간의 관련성검증을 동해 여러 가지 조세정책의 유효성 및 기업특성변수와 세무조정변수간의 체계적 관련성에 대해 검증하였다. 연구결과 첫째, 기업규모별로 세무조정변수들에 대한 차이를 검증한 분산분석에서는 영구적 차이 차감에 있어 유의한 차이가 있는 것으로 나타났으며 또한 둘째, 영구적 차이 가산에 있어 유의한 차이가 있는 것으로 나타났다. 셋째, 기업의 연구개발투자비율과 차감조정 간에는 유의한 차이가 있는 것으로 나타났다. 넷째, 기업의 이익증가율이 양(+)인 기업과 음(-)인 기업간에는 일시적 차이 가산 및 가산, 일시적 차이에 있어 차이가 있는 것으로 나타났다. 다섯째, 기영의 자본집약도를 기준으로 구분된 기업집단간에는 영구적 차이 가산금액에 있어 유의한 차이가 있는 것으로 나타났다. 따라서 기업의 세무조정과 관련된 기업특성변수는 기업규모, 부채의존도, 연구개발투자비율, 이익증가율, 자본집약도입이 검증되었다. 조세당국이 조세정책을 통해 달성하고자 의도했던 기능을 수행하는 기업의 세무조정이 실제로 다른 기업에 비해 차이가 나는가를 살펴봄으로써 조세정책의 효과가 전반적으로 달성되고 있는지를 계량적으로 판단해 볼 수 있으며 앞으로의 조세정책을 결정하는 데에도 유용하다 할 것이다.

W및 Cu-粉末 成形體의 收縮比에 관하여

權永珣,李鍾和,문인형 울산대학교 1979 연구논문집 Vol.10 No.2

기계적 성질을 달리하는 Cu및 W 분말성형체에서 소결시 收縮異方性에 미치는 粉末粒度, 成形壓, 燒結 시간의 영향을 조사하고 燒結進行에 따르는 收縮比의 거동을 알아 보았다. W분말 성형체에서는 收縮比는 微細한 粉末粒度에서 보다 安定한 값을 나타내었으며 粗大한 粒度에서는 燒結初期에 成形壓의 영향이 현저하게 나타났고 그 이후의 燒結進行에 따른 成形壓의 영향은 보이지 않았다. Cu-분말 성형체에서는 粗大한 분말 성형체에서 소결이 진형됨에 따른 R/A에 미치는 성형壓의 영향은 현저하며 적은 성형壓에서 보다 큰 收縮比値를 보여 주었다. 소결시 소결단계에 따른 조밀화, 재배열 과정에서 소결체 內의 氣孔의 형상학적 거동이 收縮比에 미치는 영향을 논의하였다. The anisotropic shrinkage during sintering in compacts made of tungsten and copper powder with irregular shape has been investigated as function of powder particle size, compacting pressure and sintering time. The behavior of radial/axial(R/A) shrinkage ratio throughout the sintering process has been studied. Tungsten powder compacts showed more stable value of R/A ratio for smaller particle size. The influence of compacting pressure on R/A ratio for coarse powder compacts was pronounced in the early stage of sintering but became negligible in the later stage. In the case of coarser powder compacts of copper, the R/A ratio was found to be strongly affected by the sintering process and the compacting pressure; e.g., the lower the compacting pressure was, the higher the R/A ratio was observed. The possible morphological changes of residual pores in the early and later stages of sintering, such as anisotropy and densification due to rearrangement of particles, was discussed together with other factors to explain the phenomena.

급진적 운동스트레스 후 성격유형집단과 운동경험집단이 경쟁상태불안 변화에 미치는 영향

김종언,권순용,윤호선 圓光大學校附設 生活體育硏究所 2001 生活體育硏究 Vol.11 No.-

This study is to trace the effects of exercise experience based on character type on mood and hormone change after gradual maximum exercise load. The objects of research are randomly sampled from 120 male students of D university by 10 students of exercise group and non-exercise group respectively according to character type after dividing them into A type and B type by means of FTAS (Framingham Type A Scale), the revision measure of JAS (Jankins Activity Survey). Exercise group is composed of the students attending the Dept. of Physical Education who have the experience of regular exercise over 3 years and non-exercise group consists of 10 commoners and students without the experience of regular exercise. The measurement tool used in this research includes Martens, CSAI-2(Competiton State Anxiety Inventory) test paper to examine competition state anxiety inventory after gradual maximum exercise load and for examining the change of anxiety factors are examined at 30min before exercise, immediately after exercise, 20min of recovery post exercise. The following conclusions are obtained through variate analysis by repeated measurements 1) In Self-confidence of A/B type groups, A type is significantly increased in before exercise more than B type (p<.05) 2) Self-confidence factors in the difference of exercise group and non-exercise group show significantly increased (p<.05) and the factors of physical anxiety, cognitive anxiety show significantly increased in non-exercise group(p<.05)

버팀지지대의 선행하중에 따른 흙막이벽의 거동특성

裵鐘淳,權正烈,權敏載,朴卿局 경상대학교 생산기술연구소 2001 工學硏究院論文集 Vol.1 No.-

Urban excavation require highly reliable prediction technique for the design and construction of earth retaining structures in order to protect adjacent structures around deep excavation. Application of the pre-loading of bracing for deep excavation has been reported and known beneficial in reducing settlement behind the retaining wall. But this beneficial effects are net fully understood and recognized by many practitioners. Model tests have been carried out to evaluate the efficiency of pre-loading system in reducing ground settlement as well as adjacent structural damages around excavation in sand. The test results revealed that the applied pre-loading of approximately 50% showed effective reduction in the maximum lateral wall displacement and the maximum magnitude of ground surface settlements, Also, bracing forces and earth-pressure distribution behind the wal1 have been monitored during pre-loading at various excavation swages.

사군자탕이 항암제를 투여한 마우스의 면역세포에 미치는 영향

殷載淳,金大根,柳東和,權鎭,洪鍾星,蘇俊魯,全焄,吳贊鎬 우석대학교 의약품개발연구소 1997 藥學硏究誌 Vol.2 No.-

The purpose of this research was to investigate effects of Sa-Kunja-Tang(SKT) on immune cells of antitumor drugs administered mice. The apoptosis and T lymphocytes subpopulation were tested using a flow cytometry, and the proliferation was tested using a MTT assay. The administration of etoposide. vincristine or doxorubicin increased the apoptosis of T-lymphocytes, but the action of doxorubicin was decreased by the administration of SKT. The administration of etoposide or vincristine decreased helper T and cytotoxic T cells population of T lymphocytes, but the action of vincristine was recovered by the administration of SCT. The administration of etoposide, vincristine or doxorubicin decreased the proliferation of T-lymphocytes, but the action of doxorubicin was increased by the administration of SKT. These results suggest that SKT has a regulative function of T-lymphocytes in anti-tumor drugs administered mice.