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ISO 14001 환경경영시스템의 요구사항이 경영성과에 미치는 영향에 관한 연구
박형근(Hyung Geun Park),김근식(Geun Sik Kim),김용준(Yong Jun Kim) 한국산업경영시스템학회 2015 한국산업경영시스템학회지 Vol.38 No.4
Many enterprises have been adopting management systems good enough for them and operating the schemes to have competitive edge better than their competitor. One of the finest systems that most companies have been selecting is ISO 14001. ISO 14001, environment management system, is widely known as advancing internal efficiency and productivity in the various industries. As a result, the number of companies that have adopted ISO 14001's certification have been increasing continuously year by year since ISO 14000 standard was called in 1994s from ISO 18000 standard that originally used. The purpose of this study is to present that ISO 14001's requirement execution influences on management performance in the small manufacturer. In order to carry out this research, we obtained 96 survey sheets and inspected ten assumptions based on the reliability, validity of the questionnaires. The results of regression analysis are summarized as follows; First, the three factors of ISO 14001 requirement, plan, implementation and operation and management consideration, have an important effect on the operational performance. Second, the three elements of ISO 14001 requirement, environment policy, implementation and operation and management consideration, affect to the financial performance significantly. Based on the results, it is sure that the companies that execute the factors of implementation and operation and management policy have a good performance to achieve operational and financial performance so that it is important to clarify the member's role, authority and follow the procedure by a company's process. Also, the truth shows CEO's continuous will and periodical review of ISO 14001 influence on management performance as well.
박형근(Hyung Geun Park),문두찬(Doo Chan Moon),권경술(Kyung Sool Kwon),정태안(Tae Ahn Chung) 대한피부과학회 1989 대한피부과학회지 Vol.27 No.3
We experienced a case of generalized granuloma annular e in a 68-year-old man. Many factors have been implicated in the genesis of this disease, but in this case no etiologic factors were identified. He was treated successfully with systemic corticosteroid for about l year.
Etretinate ( Tigason R ) 투여로 호전된 가족성 양성 만성천포창
박형근(Hyung Geun Park),문두찬(Doo Chan Moon),권경술(Kyung Sool Kwon),정태안(Tae Ahn Chung) 대한피부과학회 1988 대한피부과학회지 Vol.26 No.5
We report a case of familial benign chroinic pemphigus in a 47 year old man. We had tried various treatments but no effect had been noted with systemic steroids, tetracycline, cephalosporin, rifampin, dapsone, and local application with antibiotic ar..d eteroid ointment. Thus the patient was started on 50mg of etretinate(Tigason) daily and almost complete resolution of the skin lesions was noted two moths after treatment. He was maintained on 15mg of etretinate daily and follow up evaluations for six months revealed no recurrence and no exacerbation of the lesions.
기저세포암과 모낭상피종의 감별진단에 있어서 Peanut Agglutinin의 의의
박형근(Hyung Geun Park),문두찬(Doo Chan Moon),권경술(Kyung Sool Kown),정태안(Tae Ahn Chung) 대한피부과학회 1989 대한피부과학회지 Vol.27 No.3
Great difficulty may be encountered in the differentiation of basal cell carcinoma from trichoepithelioma snd, in some cases, it may even be irnpossible. Immunohistochemical methods using peanut agglutinin(PNA) which is glycoprotein of non-immune origin selectively binding to galactose-N-acetyl-galactosa-mine are increasingly used in dermatopathology to improve the diagnosis and differential diagnosis. Using PNA, anti-PNA antibody, and peroxidase antiperoxi-dase(PAP) technique, normal skin specimens, basal cell carcinomas, trichoepitheliiomas, and a variety of different skin tumors were studied, and different PNA Ibinding sites between basal cell carcinomas and trichoepitheliomas were observed. The results were as follows : l. In normal skin, except the basement membrane, epidermis and hair follicle epithelium showed a cell membrane staining of PNA, which stained weakly in the Ibssal cell layer. Sebaceous glands revealed membranous and cytoplasmic staining of PNA, but sweat ducts and duct coi1s were mostly negative. 2. 34 of 36(94.4%) basal cell carcinoma sections demonstrated peritumorous PNA-positive bands, and none of 5 trichoepithelioma sections showed peritumorous PNA-binding. 3. Peritumorous PNA-positive bands were strongly positive in solid and keratotic basal cell carcinomas, but decreased or absent in the vicinity of the ulceration or the dense inflammatory infiltration. 4. None of the other skin tumors(squamous cell carcinoms, keratoscanthoma, Bowens disesse and actinic keratosis} showed a periturnorous PNA-positive band. Therefore, we believe that the PNA staining on paraffin-embedded sections using PAP technique can be a useful probe for the differentiation of basal cell carcinoma from trichoepithelioma.
흰쥐의 기관 내 Bleomycin 투여로 유발된 폐간질 섬유증의 형태학적 변화와 Surfactant Protein (SP)-A, SP-D 수치에 관계에 대한 연구
박형근 ( Hyung Geun Park ),이정희 ( Jeong Hee Lee ),김승연 ( Seung Yeoun Kim ),오명호 ( Myung Ho Oh ),한혜승 ( Hye Seung Han ),한혜승 ( Hye Seung Han ),김민희 ( Min Hee Kim ) 대한주산의학회 2006 大韓周産醫學會雜誌 Vol.17 No.3
목적: Surfactant Protein (SP)-A와 SP-D는 숙주 방어 기전과 표면 장력 감소에 관여한다. 이에 저자는 블레오마이신으로 유도된 폐 손상 후 예상되는 폐 표면 활성제 기능 부전과 SP-A와 SP-D수치를 알아보고자 본 연구를 시행하였다. 방법: 250 g인 성인 수컷 Sprague-Daw ley 흰쥐 15마리를 실험군(Bleomycin 투여군, n=9)과 대조군(n=6)으로 나누어서, 실험군에게는 기관내로 블레오마이신을 투여하였다. 표준화된 우리에서 25℃의 온도에서 5주간 키운 후 폐 조직을 관찰하고, SP-A와 SP-D 수치는 Western blot assay결과를 densitometry로 측정하였다. 결과: 평균 체중은 실험군이 286.69±14.54 g이었고 대조군은 286.44±09.50 g이었으며, 5주 후평균 체중은 실험군이 347.31±60.53 g이었고 대조군은 352.71±16.84 g 이었으나 통계학적으로 유의한 차이는 없었다. 광학현미경 소견에서 대조군은 정상 소견을 보였으며 실험군에서는 폐 간질이 넓어지면서 섬유성 변화를 보이며 염증세포의 침윤이 대조군보다 현저하였다. SP-A 수치는 실험군 15.34±1.52 ODU/?g, 대조군 7.70±2.81 ODU/?g이었으며 SP-D 수치는 실험군 3.53±1.46ODU/?g, 대조군 7.51±2.33 ODU/?g로 통계학적으로 유의한 차이가 있었다( p<0.05). 결론: 흰쥐의 기관 내 Bleomycin 투여로 유발된 폐 간질 섬유증의 형태학적 변화는 폐간질의 만성염증 세포의 침윤, 섬유아세포의 증식, 교원질의 침착으로 나타났으며 SP-D 수치는 저하되었다. SP-A 수치의 증가는 더 많은 실험을 통한 연구가 필요할 것으로 사료된다. Objective: Surfactant protein (SP)-A and SP-D are involved in host defense mechanism. The author was prompted to perform a study on morphologic change and SP-A, SP-D level of surfactant after pulmonary injury inflicted by intratracheal bleomycin injection. Methods: Fifteen white adult rats each weighing 250 g (Sprague-Daw ley) were divided into study (receiving bleomycin, n=9) and control groups (n=6). Study group were given a intratracheal injection of belomycin (5 mg/kg). Two groups were grown for five weeks at twenty five degrees Celsius, after which lung tissue were examined for morphologic change and SP-A and SP-D levels were measured using Western blot assay with densitometer. Results: Before the study, the average weight of the study group was 286.69±14.54 g, and control was 286.69±14.54 g. Five weeks later, the average weight of the study group was 347.31.31± 60.53 g and control group 352.71±16.84 g. However, no statistical significance was noted. On light microscopy, the control group exhibited normal findings while widening of lung interstitium and fibrotic change coupled with more prominent inflammatory cell infiltration were noted in the study group. The SP-A level were 15.34±1.52 ODU/μg in the study group and 7.70±2.81 ODU/μg in the control. SP-D level were 3.53±1.46 ODU/μg and 7.51±2.33 ODU/μg in the study and control groups respectively, there was a statistical significance (p<0.05). Conclusion: The morphologic change after pulmonary fibrosis induced by intratracheal bleomycin injection in white rats can be summarized as chronic inflammatory cell infiltration, fibroblast proliferation, deposition of collagen tissues, and lowering of SP-D level were noted. The increase of SP-A level is subject to further study in the future.
인터넷 전자상거래 인터페이스의 디자인평가체계에 관한 연구
박형근 ( Hyung Geun Park ),임춘성 ( Choon Seong Leem ) 한국감성과학회 1999 추계학술대회 Vol.1999 No.-
최근 쇼핑몰을 통한 소비자 대상의 전자상거래가 확산되고 있으며, 많은 연구들이 쇼핑몰의 성공요인에 대해 다루고 있다. 그러나 대부분의 연구들이 주로 기술 및 마케팅 측면을 강조하고 있으며, 쇼핑몰 사용의 주체인 사용자를 다룬 연구는 그리 많지 않다. 본 연구에서는 쇼핑몰과 사용자간의 상호작용을 대상으로 하여 사용자의 사용편의성을 향상시킴으로써 효과적인 전자상거래 시스템을 구현할 수 있도록 하는 디자인평가체계를 개발하였다. 디자인평가체계는 쇼핑몰과 사용자간의 상호작용을 다룬 4가지 영역의 디자인 요소와 디자인 요소들을 평가하기 위한 5가지의 평가요소로 구성되어 있다. 본 연구를 통해 쇼핑몰의 개발자나 연구자들은 쇼핑몰 구축 및 관련 연구 수행시에 보다 효과적인 쇼핑몰을 디자인하고 적절한 연구방향을 설정할 수 있을 것이다.
박형근(Hyung Geun Park),박성민(Seong Min Park),문두찬(Doo Chan Moon),권경술(Kyung Sool Kwon),정태안(Tae Ahn Chung) 대한피부과학회 1989 대한피부과학회지 Vol.27 No.3
A 51-year-old female had disseminated, symmetrically distributed, brownish black pigmentation and papillary hypertrophy on the intertriginous and flexural areas for 6 months, and gastric adenocarcinoma was confirmed during the evaluation of internal malignancy, The cutaneous finding of acanthosis nigricans was a significant cutaneous marker of internal malignancy in this case.
디바이스 서버를 이용한 모션 베이스 특성에 따른 시각적 동기화
박형근 ( Hyung Geun Park ),김종국 ( Jong Kuk Kim ),정의정 ( Ui Jung Jung ),송재복 ( Jae Bok Song ),고희동 ( Hee Dong Ko ) 한국감성과학회 2002 추계학술대회 Vol.2002 No.-
가상공간에서 탑승자에게 운동감을 제공하기 위해서 수많은 형태의 모션 시뮬레이터가 개발되어 왔다. 하지만 이러한 형태의 시뮬레이터들은 그 고유한 형태에 의해 정해진 동역학과 워시아웃 알고리즘을 거쳐야만 정밀한 시뮬레이터가 될 수 있다. 본 논문은 기존의 좁은 시야공간에서의 시뮬레이터가 아닌 넓은 시야를 제시하고, 모션 베이스와 독립적으로 운영되는 영상 제시기를 이용하여 탑승자에게 운동감을 제공하는 분리형 시뮬레이터를 대상으로 하여 영상과 모션을 동기화시켜서 제시하는 방법에 대해 논의하고자 한다.