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      • KCI등재

        Boundary decisions for new technology acquisition

        Ryoo,Joo-Han 대한경영학회 2012 大韓經營學會誌 Vol.25 No.5

        '스콜라' 이용 시 소속기관이 구독 중이 아닌 경우, 오후 4시부터 익일 오전 7시까지 원문보기가 가능합니다.

        본 논문은 국내의 기술집약적 중소 제조업들이 신기술 취득방식을 어떻게 결정하고 있는 가를 탐구하는 데 그 목적이 있다. 구체적으로 독자적 개발방식, 기술제휴를 통한 협력적 방식 등 다양한 신기술 취득방식 중에서 최선의 방식은 무엇이며 이를 위한 고려요소는 무엇인가를 규명하는 데 연구의 목적을 두고 있다. 본 연구를 수행하기 위한 이론적 근거로서 거래비용이론에서 제시하는 개념을 중심으로 3개의 가설을 제시하였다. 한편, 자원기반이론에서 제시하는 개념들이 조절변수로서 이들 가설과 어떠한 상호작용을 하는가를 알아보기 위해 3개의 변수를 추가로 제시하였다. 총 6개의 가설을 검증하기 위해 271개의 전자•통신제품 관련 제조업체를 설문 조사하여 분석에 사용하였다. 분석 결과, 기술취득에 있어 자산 특화적 투자가 요구될 경우와, 기술적 불확실성이 크다고 판단될 경우, 응답기업은 독자적 방식을 통한 기술취득을 선호하는 것으로 나타났다. 그러나 내부적 역량이 높은 기업일수록 독자적 방식을 고집하기 보다는 협력적 방식을 통한 기술취득에도 적극적인 것으로 나타났다. 본 연구는 상호 대립적 주장을 견지하던 거래비용이론과 자원기반이론을 통합적으로 적용할 경우 더 나은 설명력을 제시하고 있음을 실증적으로 입증하였다. 아울러 어떠한 방식으로 신기술을 취득할 것인 가라는 고민을 가진 중소업체들에게 실무적 가이드라인을 제공하고 있다. This paper investigated how firms would determine their boundary decision for technology acquisition. Drawing on transaction costs (TC) and resource based (RB) perspectives, this study tested the impacts of specialized asset investment, environmental uncertainty and technological uncertainty on the acquisition method of new technology and the role of organizational capability as a moderator in those relationships. Using the sample of 271 Korean SMEs in high-tech manufacturing sector, this study found that the responding firms preferred to choose internal technology acquisition when they perceived high degree of specialized asset investment and technological uncertainty for the technology acquisition activity. However, such relationship varied when the firms possessed strong organizational capability in a way that the preference for internal technology acquisition is rather weaken for those firms. This study contributed that the TC perspective provides much powerful explanation to our research concern when it is combined with the concept of RB perspective. Some of the practical implication is also provided.

      • KCI등재

        Using the Korean Translation of Disney’s Mulan to Learn About Cross-Cultural Awareness

        Ryoo,Hyunjin,Cho,Sung-Eun 영상영어교육학회 2017 영상영어교육 (STEM journal) Vol.18 No.3

        '스콜라' 이용 시 소속기관이 구독 중이 아닌 경우, 오후 4시부터 익일 오전 7시까지 원문보기가 가능합니다.

        This paper is an attempt to learn about cross-cultural issues using the Korean dubbed and subtitled translation of Disney’s Mulan. The concept of ‘Cultural Re-saturation’ is introduced as a form of domestication chosen as a translational solution when the target culture (TC) audience knows more about the source text (ST) context than the source culture (SC) audience. Mulan is created under distinct circumstances: although based on the Ballad of Mulan, a Chinese cultural legacy, it was scripted and made by the American animation studio, Walt Disney Pictures. The original English dialogue of the film, the dubbed version and the subtitles of the official Korean DVD of Mulan were analyzed to present a model for the study of cross-cultural awareness through translation. The resulting Korean target text (TT) tends to carry a lot more cultural nuances than the original American source text, as the text is adapted to suit an audience more informed of the cultural context. Defining this phenomenon as Cultural Re-saturation, this paper attempts to portray the prevalence of this tactic within the official translations of Mulan and aims to provide a means for gaining an enhanced cross-cultural understanding of the complexity and subtlety of culture and language.

      • KCI등재후보

        한국교회의 설교비평

        Ryoo,Eung-Yul 개혁신학회 2008 개혁논총 Vol.9 No.-

        '스콜라' 이용 시 소속기관이 구독 중이 아닌 경우, 오후 4시부터 익일 오전 7시까지 원문보기가 가능합니다.

        This writer tries to examine the current situation regarding the sermon criticism of Korean churches and propose a few things to establish the foundation of biblical preaching in Korean churches through this paper. In fact, the word, sermon criticism is being used very rarely not only in the Korean churches but also in the Western churches. And it can not be easily found in the western homiletic world as far as books or papers regarding the sermon criticism are concerned. In the midst of this current situation, Korean churches begin to have a great interest in a sermon criticism.But the sermon criticism based on the wrong theology might be cause for wrong preaching and a great danger to impede wholesome words. On the other hand, the interest regarding the right sermon criticism based on biblical theology will play a far bigger part in making the pulpit as the word of truth. For this purpose, I will take a look at the history of sermon criticism in Korean churches. Then secondly, I would like to analyze the contents of the sermon criticism and evaluate its validity. Finally, I try to make five suggestions in order to make right sermon criticism settled in Korean churches. First, the biblical homiletic theology should be in a triangular position for the right sermon criticism of the pulpit of Korean churches. Second, for the balanced criticism, preachers and their sermon must be studied simultaneously. Third, sublation of criticism with a critic's viewpoint to his heart's content and a hermeneutical critique attitude toward analyzing the sermon with respect of preachers’intention must be provided. Fourth, the same interest not only in the preachers’body of sermon but also in the delivery of sermon must be needed as well. Fifth, a sermon must be comprehended under the live worship circumstance on account of a sermon being dynamic in the background of every service. The word of God through preaching is not an object of a critique but the object of obedience. But preaching can be developed by the creative criticism. I hope that the pulpit experiences the holy change in every sermon in accordance with sermon criticism positioning as a constructive academic field, and with the sermon of Korean churches putting down new roots in the Bible drastically, and permeating into auditors’lives accurately.

      • KCI등재

        일반화된 신호 압신법에 기반한 향상된 차분전력분석 방법

        최지선,류정춘,한동국,박태훈,Choi, Ji-Sun,Ryoo, Jeong-Choon,Han, Dong-Guk,Park, Tae-Hoon 한국정보처리학회 2011 정보처리학회논문지 C : 정보통신,정보보안 Vol.18 No.4

        차분전력공격(Differential Power Analysis, DPA)의 효율성은 수집신호 정렬도를 비롯한 다양한 잡음에 많은 영향을 받는다. 최근에 Ryoo등은 잡음 신호를 극복하여 DPA의 분석성능 향상을 가져오는 효과적인 신호처리기법을 소개했다. 본 논문에서는 기존에 제안된 신호처리기법이 적용되지 않은 경우를 보이고, 이에 대한 해결방안으로 차분파형모델(Differential Trace Model, DTM)을 제안한다. 또한 제안된 DTM이 DPA 분석에 적합한가에 대해 이론적으로 증명하고 실험을 통해 검증한다. Differential Power Analysis is fully affected by various noises including temporal misalignment. Recently, Ryoo et al have introduced an efficient preprocessor method leading to improvements in DPA by removing the noise signals. This paper experimentally proves that the existing preprocessor method is not applied to all processor. To overcome this defect, we propose a Differential Trace Model(DTM). Also, we theoretically prove and experimentally confirm that the proposed DTM suites DPA.

      • 白鼠에 있어서 肝葉切除後 再生期肝의 Hippuric Acid 合成 및 Sulfobromophthaleine의 膽管排泄에 關한 硏究

        정우,柳虎烈 경북대학교 의학연구소 1969 慶北醫大誌 Vol.10 No.1

        Recovery of detoxifing and excretory functions of residual liver after parital hepatectomy (removed about 70% of total liver) were studied by determining the detoxication of benzoic acid, as measured by the urinary excertion of hippuric acid, and biliary excretion of sulfobromo phthaleine. In evaluating the detoxication function, the ration of urinary hippurate-C^14 to benzoate-C^14 (H/B ration) was also estimated by thin layer chromatography after administration of sodium benzoate-C^14 as a more significant criterion of the function than the amount of urinary hippurate (Choi and Ryoo: Kyungpook Med. J., 10:145, 1969). Immediately after the partial hepatectomy, urinary H/B ratio showed about 2/5 of normal rats while the amount of urinary hippurate was decreased only to 2/3 of normal. The reduction of H/B ratio was more signiifcant on 1-2 days post-hepatectomy and gradually recovered through liver regeneration. Biliary excretion of intravenously injected sulfobromophthaleine also revealed more decrease 1-2 days post-hepatectomy than immediate after the poeration, but on 4 days post-hepatectomy the exretory function was almost completely recovered.

      • <i>Astraeus ryoocheoninii</i> sp. nov. from Korea and Japan and phylogenetic relationships within <i>Astraeus</i>

        Ryoo, Rhim,Sou, Hong-duck,Park, Hyun,Ka, Kang-Hyeon 'Mycotaxon, Ltd.' 2017 Mycotaxon Vol.132 No.1

        <P>The morphological characteristics of a collection by C.I. Ryoo and K.-H. Ka from the demilitarized zone (DMZ) of Korea, invalidly published as 'Astraeus koreana', are re-evaluated, described, and illustrated. Phylogenetic analysis using nrITS sequence data indicate that 'Astraeus koreana', an unnamed 'Japanese Astraeus group 2', and a Japanese specimen E0059827 all differ from A. hygrometricus var. koreanus and represent a new species, proposed here as Astraeus ryoocheoninii.</P>

      • KCI등재

        A Study on the characteristics of aerobic capacity and body composition in middle aged men with hypertension

        Ryoo, Byung Kwan 한국운동과학회 1997 운동과학 Vol.6 No.2

        중년 고혈압 환자들의 운동능력에 대한 연구. 운동과학, 제6권 제2호. 169-178, 1997. 고혈압을 지닌 사람들에게 운동이 적절한 수준으로 제공되지 않았을 경우 자칫 위험 상황에 빠질 수 있다. 일선 현장에서 일반적으로 적용되는 나이를 고려한 운동강도의 설정은 고혈압을 지닌 중년인들에게는 일반인들보다 훨씬 위험을 초래할 수 있는 운동강도로 작용될 수 있다. 따라서 본 연구는 고혈압을 지닌 중년남성들의 운동 능력의 특성들을 구체적으로 살펴 고혈압을 지닌 사람들의 바람직한 운동처방의 기초자료를 제공하고자 하는데 목적이 있다. 본 연구의 피검자는 수축기 혈압이 140mmhg 이상, 이완기 혈압이 90mmhg 이상인 고혈압을 지닌 40-50대 성인 남자 9명과 검진상 혈압에 이상이 없는 9명을 무작위로 추출하여 운동능력의 특성을 조사하였다. 결과는 다음과 같다. 1) Body fat은 통계적으로 유의한 차이는 없었으나 고혈압 집단에서 높게 나타났다. 2) Hip/waist ratio는 고혈압 집단이 중심성 비만의 경향이 높은 것으로 나타났다. 3) 운동시간은 혈압상승으로 인한 운동중단으로 고혈압 집단이 정상집단 보다 평균 1분 정도 적은 것으로 나타났다. 4) 최대심박수 도달율을 고혈압집단이 낮게 나타났다. 5) V˙O₂max은 고혈압 집단이 정상집단보다 현저하게 낮은 것으로 나타났다. 6) V˙O₂max/㎏는 고혈압 진단이 정상집단보다 현저하게 낮은 것으로 나타났다. 7) VT는 유의한 차이는 없었으나 고혈압 집단이 낮은 것으로 나타났다. 8) R값은 차이가 거의 나타나지 않았다. 결론적으로 고혈압 집단은 동일한 강도로 운동을 했을 때 운동을 지속할 수 있는 시간과 유산소성 능력 등에서 현저하게 정상인과는 차이가 나는 것으로 나타났고 임상적으로 급격한 혈압의 상승으로 인한 운동중단의 사례가 많았다. 따라서 본 연구의 결과 고혈압을 지닌 중년인들의 운동강도의 설정은 반드시 운동검사 후에 적절하게 제시되어야 할 것으로 보인다. Ryoo, B.K. A study on the characteristics of aerobic capacity and body composition in middle aged men with hypertension. Exercise Science, 6(2); 169-178, 1997. The necessary exercise prescriptions and methods needed to treat these patients remains mostly in the theoretical stage. Therefore, implementing programs according to standard criteria for age or other factors can be dangerous. Generally, control is maintained through observation, but what is needed and lacking is concrete research results which can indicate the differences in exercise capacity between high blood pressure (hereafter HBP) sufferers and normal individuals. This research observed the differences in exercise and lung capacity between HBP sufferers and normal individuals for the purpose of presenting realistic data useful in prescribing exercise. Subjects for the research consisted or 9 men age 40-50 who were diagnosed as having HBP at the ## General examination Center and 9 nomal indiividuals were selected at random. The Bruce Protocol was used in all examinations and an automatic blood pressure check was conducted once every two minutes at all stages. Exercise was stopped when blood pressure exceed 240 sys and 110 dai. T test was performed for compared two group. The results of this study are as follows. 1) Body fat was not significantly high, however the high blood pressure group showed a higher body tat than the normal group. 2) In hip/waist ratio the high blood pressure sufferers showed a higher tendency toward central obesity. 3) Exercise time for the high blood pressure group was less than that for the normal group. 4) HBP group achieved only 90% of projected max heart rate showing a significant difference between the groups. 5) There was a significant difference in V˙O₂max. 6) The HBP sufferers also had a lower V˙O₂max/㎏ than the normal group. 7) The normal group scored higher than the HBP group in VT. 8) R value was about the same for the two groups. The general situation is that age is not being considered in prescribing exercise for patients. There is a clear need to provide graded exercise programs for pafients with poor exercise and lung capacity which, through moving gradually from low to high intensity, will improve lung exercise capacity.

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