두개강내로 전이된 Adenoid Cystic Carcinoma 2례 : 증례보고 Report of Two Cases

송재욱,윤상민,이창훈,장지수,이승훈,조경자,강신광 대한신경외과학회 1996 Journal of Korean neurosurgical society Vol.25 No.10

The authors describe two cases of unusual intracranial metastatic adenoid cystic carcinomas. A 42-year-old woman had a right pariental epidural metastatic mass. presumed hematogenous. spread from a primary tumor in the parotid gland. In second case, a 32-year-old man had a intracranial metastatic adenoid cystic carcinoma mimicking calcified psammomatous meningioma on CT scans. We present these unusual cases with a review of relevant literature and a discussion of possible pathogenesis.

생활체육의 발전과정과 전망

송명섭,유재광 충주대학교 학생생활연구소 2000 學生生活硏究 Vol.7 No.-

Converter用 Tow의 Shuffling에 關한 硏究

宋在守,成秀光 嶺南大學校 工業技術硏究所 1974 연구보고 Vol.2 No.1

tow 內部의 filament 中, 外力의 對해서 뭉쳐 同一擧動을 하는 filament 集團의 解除手段으로 切斷部에 들어가기 직전 tow에 機械的 shuffling을 부여하여 그 集團牲을 解除할 수 있다. 本 硏究에서는 擦法, beat法을 shuffling의 基本方法으로 해서 各試料 tow에 여러가지 變化를 주어, shuffling 作用을 加해 顯徽鏡寫眞에 依한 定量評價 했고 또 그 實驗結果에서 얻은 結論을 基礎로 해 兩者를 利用한 最適機械的 shuffling 機構를 考察했다. Some of tow inside filaments, when they received the outside force (specially, draft force), form a group of filaments operating in combination at the same time. As a result of giving mechanical shuffling to the tow just before putting cutting-part in order to dissolute their group property, it could be removed. In this study, by using frictional method and beat method with the elementary method of shuffling, after giving various changes to each sample tow, adding shuffling operation about it, quantitative valuation has been done by microphoto-graphy and on the basis of conclusion forming from above experimental result, the most mechenical shuffling mechanism which use the above two methods has been studied.

임베디드 시스템에서 Mobile IP 프로토콜 구현

宋東勳,裵振勝,鄭燦赫,吳世德,李基源,劉忠烈,河載承,李光培,金玄郁 명지대학교 산업기술연구소 2005 産業技術硏究所論文集 Vol.24 No.-

With rapid growth of the internet, need for the mobile communication networks is increasing. In this paper, we implement and test Mobile IP Protocol in Embedded System. Our Mobile IP-based testbed consisted of two sub-networks and each sub-network was configured to operate independently through use of router. To satisfy integrated wired/wireless network model established on the testbed design and show generality of the testbed, we implemented mobile nodes, home agent, foreign agent and router on the basis of Linux operating system. As the results of the evaluation, we confirmed that mobile nodes operated properly according to Mobile IP Protocol.

고등학교 축구 지도자의 리더십 행동유형과 선수 만족도의 관계

송광환,정재은,고의석,박윤식,육동원 한국스포츠리서치 2005 한국 스포츠 리서치 Vol.16 No.2

The purpose of this study was to examine behavioral types of efficient soccer coaches by identifying relationship between athletic satisfaction and leadership behavior types of high school soccer coaches. who have an impact on soccer players. The study also took a closer look at the types of leadership behavior shown by soccer players depending on their school level, position and status-whether or not a key player or a bench warmer. A total of 287 high school soccer players were subjected to the study and the Leadership Scale for Sport (LSS) and the Satisfaction Scale for Soccer Players were used to obtain the study results. In terms of leadership behavioral type by school level. good schools were found to hold higher levels of perception on instruction behavior. autocratic behavior. democratic behavior and social support behavior than the relatively poor schools. No significant difference was found in terms of leadership behavior type by position. However, the analysis on the leadership behavior type by players status showed that the key players had a higher perception on instruction and training behaviors than the bench warmers. According to the athletic satisfaction by school level, no significant difference was found in sub-variables. The same was true for both athletic satisfaction by position and athletic satisfaction by players status. In terms of correlation between the leadership behavior type and athletic satisfaction, training and instruction behavior. democratic behavior, social support behavior and positive feedback behavior were found to have a significant correlation with the sub-variables of athletic satisfaction, which are, sport performance satisfaction and psychological satisfaction. Moreover, the leadership behavior type, training and instruction behavior and autocratic behavior were identified as variables that have a significant impact on sport performance satisfaction and psychological satisfaction, which are sub-factors of athletic satisfaction.

열처리 및 보상이온의 주입에 의한 α-수정내의 S₁,S₁',S₁˝ 공명중심들의 변화

송광섭,최재현,최 덕,최옥천,이재훈 명지대학교 자연과학연구소 1995 자연과학논문집 Vol.12 No.-

수정시편을 300℃, 400℃,500℃,530℃에서 각각 20시간씩 열처리한 후에 X밴드 전자 공명장치를 사용하여 α-수정내의 S?(1).S?',S?'' 세 공명중심들에 대한 열처리 조건에 따른 공명 신호들의 세기의 변화를 상온에서 조사하였다.열처리 효과로 S?'과 S?'' 공명중심들이 일부 S?(1)으로 전환되었다. 480℃에서 수정시편의 c축 방향으로 15ooV/cm의 전기장을 가하여 시편내에서 +1가의 보상이온들을 빼내거나, 500V/cm 와 1000V/cm의 전기장으로 Li+ 이온과 Na+이온을 각각 주입시킨 후에 공명신호들의 세기를 서로 비교하였다.한편 시편내에서 보상이온들을 빼내지 않고 400℃에서 20V/cm 와 50 V/cm의 약한 전기장으로La+이온을 주입시킨 경우와 200V/cm의 전기장으로 Na+이온을 주입시킨후에 공명신호들의 세기가 변화하는 모습을 조사하였다.Li+ 이온이 시편에 주입됨에 따라 세 공명중심들 모두 공명신호들의 세기가 증가하였으며, Na+이온이 주입된 경우에는 공명신호를의 세기가 크게 감소하였다. 열처리 효과와 전기장 처리의 결과로부터 세 공명중심들 모두 Li+이온에 의하여 전하가 보상되는 것으로 판명되었다. After heating a quartz sample for 20 hours at 300℃, 400℃, 500℃, and 530℃, respectively, the changes of resonances signal intensities of the centers S?(1), S?', and S?''in α-quartz according to the conditions of heat treatments were investigated at room temperature by employing an X-band electron spin resonance spectrometer. The centers S?' and S1'' were partly converted into S?(1) by the effect of heat treatments. After extracting positively monovalent ions from quartz samples by applying an electric field of 1500V/cm along the crystal c-axis at 480℃ and after electrodiffusing Li+ ions and Na+ ions into the samples with applied electric fields of 500 and 1000 V/cm, respectively, the intensities of resonance spectra were compared with each other. On the other hand a quartz sample was electrodiffused with Li+ ions at 400℃ with weak electric fields of 20 and 50V/cm and then implanted with Na+ions with an electric field of 200V/cm.As Li+ ions diffused into the sample, the intensities of all the three centers increased. But in the case of electrodiffusion with Na+ ions the resonance signals decreased by considerable. From the effect of heat treatment and the result of electrodiffusions it is proved that all the three centers are compensated by the Li+ion.

순환유동층에서 기체-고체 흐름의 수력학적 특성

송평섭,강용,우광재,정의영 忠南大學校 産業技術硏究所 1996 산업기술연구논문집 Vol.11 No.2

Hydrodynamic characteristics of gas-solid flow has been analyzed by adopting the static pressure drop method in circulating fluidized beds. Pressure drop has been measured in the test section of the riser(0.1m IDx3.5m Height). The dried and filtered air was injected into the column through the perforated type distributor. Polyetylene powder whose density is 920 kg/㎥ and mean diameter is 454 ㎛ was used as a solid phase. The pressure drop slightly increased in the turbulent fluidized regime and rapidly decreased because of decreasing of solid hold-up in the fast fluidization regime with increasing superficial gas velocity. The slip velocity that is relative velocity between gas and solid velocity increased in the turbulent fluidized regime and decreased in the fast fluidized regime with increasing the superficial gas velocity.

몬테카를로 방법을 이용한 고강도콘크리트 구조물에 대한 휨변형의 해석적인 연구

최광진,장일영,송재호,홍원기 金烏工科大學校 1995 論文集 Vol.16 No.-

The object of this thesis is an analytical study on flexural deformation of high strength concrete structures using Method. Using the established experimental data that has been presented in various documents the stress-strain relationship curves of high strength(500㎏f/㎠) models are proposed. Based on both methods of logarithm regression analysis and multiple regression analysis adopted in order to establish the relationships between design parameters, responsed random variables and flexural deformation analyzed using monte carlo simulation and simpson composite formula. Additional random variables are introduced to incorporate both the confidence in the analytical accuracy of engineering mechanics associated with structural response quantities and the uncertainty in the construction quality control. The result is expected to accomodate other important design parameter of high strength concrete design in treating reliability theory that practicing engineers and structural engineering.

혼합 배지에서의 장내세균 증식

고광균,송재승 순천향대학교 1991 논문집 Vol.14 No.2

This study was performed to develop culture medium which favors the growth of the Salmonella, Shigella and Vibrios, and is suitable for the detection of the carriers. The TCBS-S.S and the TCBS-MacConkey combined medium were trsted for the growth of the bacteria and the ability to form colonies. The results of combined media were compared with those of each media as S-S, MacConkey and TCBS. 1. The growth of Salomonella typhi was excellent on TCBS-S.S and TCBS-MacConkey combined media, on the other hand it was markedly inhibited on S-S agar media. 2. The Shigella dysenteriae showed rapid growth and large colony formation on the combined media as TCBS-MacConkey and TCBS-S.S, but was inhibited on the other media. 3. Vibrio paraemolyticus grow well not only on the TCBS-MacConkey, TCBS-S.S combined media also on TCBS agar media. 4. Lactose-fermenting E. coli, sucrose-fermenting Proteus vulgaris and Vibro alginolyticus can be distinguishable by the color of colonies on TCBS-S.S combined agar media. 5. The colonies of Proteus mirabilis on TCBS-MacConkey combined agar media can be distinguishable from Proteus vulgaris by the dark green ring. 6. As Salmonella, Shigella and Vibrio grow well on TCBS-S.S combined media, they can be isolated on one plate of the media.

고강도콘크리트에 대한 응력-변형율 곡선과 응력블럭의 제안

최광진,송재호,장일영 國立金烏工科大學校附設生産技術硏究所 1995 産業技術開發硏究 Vol.11 No.-

The object of this paper is to propose stress-strain curve and stress block for high strength concrete. Using the established experimental data that have been presented in various documents the stress-strain relationship curves of high strength(400∼700kgf/㎠) models are presented based on both methods of logarithm regression analysis and multiple regression analysis adopted in order to establish the relationships between design parameters. And area under proposed stress-strain curve is compared with trapezoidal stress block area and rectangular stress block area using Simpson's composite formula. It is shown that the stress block of trapezoid could be regarded as that of high strength concrete. Furthermore, the results of this paper is expected to be accomodated to other important design parameters of high strength concrete.