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      • KCI등재

        한국 전통장류가 한우 반힘줄모양근(M. Semitendinosus)으로 제조한 건염햄의 육질 특성에 미치는 영향

        성필남,조수현,강근호,김동훈,박범영,강선문,박경미,Seong, Pil-Nam,Cho, Soo-Hyun,Kang, Geun-Ho,Kim, Dong-Hoon,Park, Beom-Young,Kang, Sun-Moon,Park, Kyoung-Mi 한국축산식품학회 2013 한국축산식품학회지 Vol.33 No.6

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

        This study was conducted to develop a processing method for dry-curing beef ham with Korean traditional sauces and to investigate the quality properties of the dry-cured beef hams. Semitendinosus muscle from Hanwoo was spread with sundried salt (C), sun-dried salt mixed with red pepper paste (T1), and sun-dried salt mixed with soybean paste (T2), and inserted into washed Hanwoo large intestine. It was then dried and fermented for 75 d. Moisture contents of the hams were 46-48%, without any significant differences. T1 showed the lowest pH among the three dry-cured hams, while water holding capacity (WHC) of T2 was found the lowest (p<0.05). In mechanical color determination, C showed higher CIE $a^*$ and CIE $b^*$ than T1 and T2 (p<0.05), however CIE $L^*$ did not show any significant difference. In texture, T1 demonstrated significantly lower springiness than C (p<0.05). The sensory properties of all dry-cured hams did not show any significant difference, but T1 indicated a higher taste, saltiness and overall acceptability than others, whereas C gathered the highest score in color and flavor. In conclusion, the dry-curing by combination of sun-dried salt mixed with red pepper sauce (T1) showed higher quality properties of the Hanwoo dry-cured ham. 우리나라 전통장류를 건염햄 제조에 접목한 건염햄의 제품을 개발하기 위해 염지과정에서 첨가한 고추장과 된장이 건염햄 품질에 미치는 영향을 조사하고자 실시하였다. 천일염(C), 천일염+고추장(T1), 천일염+된장(T2)을 한우의 반힘줄모양근(m.emitendinosus)의 표면에 골고루 발라주고 세척한 한우 대장에 충진한 후 75일 동안 건조 및 발효시켰다. 한우 반힘줄모양근 건염햄 품질을 조사한 결과, 건염햄 수분함량은 46.45-48.04% 수준으로 유의적인 차이는 없었다. T1은 모든 처리구 중에서 pH가 가장 낮았고 T2는 WHC가 가장 낮았다(p<0.05). 기계적 육색 측정에서 C가 $a^*$와 $b^*$가 전통장류 처리(T1, T2)보다 높았으나(p<0.05), $L^*$은 유의적인 차이가 없었다. 조직감에서 T1은 C보다 탄력성이 유의적으로 낮았다(p<0.05). 관능평가 결과 모든 처리구에서 유의적인 차이가 없었고 C는 제품색과 향미가 높은 점수를 받은데 반해, T1은 높은 맛, 짠맛, 그리고 전체적 기호도가 다른 처리구에 비해 높았다.

      • KCI등재

        지리산국립공원 심원계곡 생태경관 복원공사지역 식생 변화

        정태준 ( Tae-jun Jung ),김연경 ( Yeon-Gyeong Kim ),김영진 ( Young-jin Kim ),정명희 ( Myung-hee Jung ),박경희 ( Kyoung-hee Park ),신창근 ( Chang-keun Shin ),박선홍 ( Seung-hong Park ),김영선 ( Young-sun Kim ) 한국환경생태학회 2021 한국환경생태학회지 Vol.35 No.3

        본 연구는 지리산국립공원 심원계곡 생태경관 복원공사지역의 모니터링 결과를 분석하여 체계적인 복원관리를 도모할 수 있는 기초자료를 확보하는데 그 목적이 있다. 복원사업이 완료된 2017년도에 식생 모니터링을 위한 조사구 12개소와 대조구 4개소를 설치하였고, 2017년과 2020년의 상대우점치, 종다양도지수, 유사도 등의 변화를 분석하였다. 복원사업 시 수목이 식재되었던 조사구는 종다양도지수가 0∼1.4552로 나타났고, 대조구와의 유사도지수에서는 1개 조사구가 1.32%로 분석된 것을 제외하고 모두 0%로 나타났다. 조사구의 종다양도지수 및 유사도지수가 매우 낮은 것은 복원사업 시 식재된 수목이 고사하거나 멧돼지 피해, 유수에 의한 침식으로 유실되는 등의 영향으로 판단되었다. 반면 복원사업 시 수목이 식재되지 않은 미식재 조사구는 종다양도지수가 0.9538∼2.3222로 나타났고, 유사도지수는 최대 8.33%까지 분석되었다. 국립공원 생태경관 복원공사지역의 복원 공법 개발을 위한 장기 모니터링과, 미식재 조사구의 천이과정을 분석하는 지속적인 연구가 필요하다. This study aims to obtain basic data for systematic restoration by analyzing the monitoring results of the Shimwon Valley Ecological Landscape Restoration Project area in Jirisan National Park. In 2017, when the restoration project was completed, 12 monitoring plots and 4 control plots were installed for vegetation monitoring, and changes in the relative dominance, species diversity index and similarity between 2017 and 2020 were analyzed. The species diversity index of the surveyed areas where trees were planted during the restoration project was 0-1.4552, and the similarity index with the control group was 0% except for one survey area at 1.32%. The very low species diversity index and similarity index in the survey areas were attributed to the loss of trees planted during the restoration project due to death, damage by wild boars, or erosion by running water. On the other hand, the species diversity index was 0.9538-2.3222 in the monitoring plot where no tree was planted, and the similarity index was analyzed to be as high as 8.33%. It is necessary to continue the long-term monitoring for the development of ecological landscape restoration methods in the national park and analysis of the succession in monitoring plots where no trees were planted.

      • 순간기화기를 채용한 다단 압축 냉동 사이틀에서 최적의 중간 압력

        박영선,김경훈 國立金烏工科大學校附設生産技術硏究所 1997 産業技術開發硏究 Vol.13 No.-

        This paper presents the analytic prediction of the refrigeration cycle with flash tank and intercooler. The removal of flash gas developed in the throttling process between the condenser and the evaporator improves the Coefficient of Performance of the refrigeration cycle. Intercooling also improves the Coefficient of Performance of the refrigeration cycle as saving in the compressive work. For this analysis, each of eleven refrigerants was used. The effects of evaporating and condensing temperature on the optimal intermediate pressures were investigated, and compared with the theoretical pressure of intercooler.

      • KCI등재

        사용성(Usability)을 고려한 웹 네비게이션 디자인 연구

        박선경 한국일러스아트학회 2004 일러스트레이션학 연구 Vol.- No.15

        웹 네비게이션은 사용자가 웹 사이트에서 원하는 정보가 있는 페이지까지 사용자를 유도하는 역할을 한다. 아무리 시각적으로 뛰어난 디자인의 웹 사이트라 할지라도 사용하기 불편한 네비게이션은 사용자로 하여금 그 사이트를 외면하게 할 만큼 인터페이스 디자인의 여러 요소들 중 매우 비중이 크다. 사이트를 개발함에 있어 컨텐츠 설정 그리고 컨텐츠에 적합한 사이트의 목적이 설정되었다면 컨텐츠와 목적에 맞는 주된 타겟의 특성(연령, 성별, 기호, 라이프 스타일 등)을 고려하여 네비게이션 디자인 계획을 세울 수 있을 것이다. 현재 인터넷 상의 수 많은 웹 사이트 들 중 디자인과 기능, 양면에서 우수한 사이트들을 살펴본 결과 다음과 같은 일련의 스타일을 발견할 수가 있다. 한눈에 어떤 네비게이션 요소인지 알아볼 수 있는 직관성, 지금까지 체험으로 학습되어진 일반적인 네비게이션을 따르는 보편성, 첫페이지에서 마지막 페이지까지 네비게이션 요소의 일관성, 그리고 이 모든 스타일은 사용자 중심의 디자인이었다는 것을 알 수 있다. 이와 같이 사용자가 편리하게 웹 사이트를 서핑할 수 있는 즉, 사용성을 고려한 웹 네비게이션 디자인에 대한 연구를 통해 인터넷상에서 지속적 생명력을 가진 웹 사이트를 개발 할 수 있는 여건을 조성해 보고자 한다. Web navigation does role that lead user to page that user wants information in web-site. Even if web-site of , visually excellent design, uncomfortable web to use gets the outside because interface design is very important between several elements of design. In site development, if contents setting and object of a suitable site are set up, I consider a characteristic of a main target (age, sex, a lifestyle) in contents and object, and a navigation design may make a plan. Currently the results to have looked into excellent sites in design and functional both sides in a lot of sites of the Internet. I go to several to find out the following a series of style, and there is it. The intuition that can know what kind of navigation element it is just, until now a universality of general navigation learned as an experience, it is consistency of a navigation element by the last page in the first page, and all these style can know that they tied up a design of the user center. Thus, a user is convenient, and surfing' can do web site, that is, I try to be going to create conditions for development to be able to do the web site which had a continuous vitality through study about the Web navigation design that considered usability on the Internet.

      • 최대/최소 경계 스키마 추출 기법을 이용한 XML 문서의 DTD 추출

        박경현,최은선,이종연,박정석,류근호 충북대학교 컴퓨터정보통신 연구소 2000 컴퓨터정보통신연구 Vol.8 No.2

        XML이 인터넷상의 데이터 교환의 표준으로 대두되면서 데이터 모델이나 플랫폼에 관계없이 데이터의 전송이 가능하게 되었다. 특히 데이터 중심의 XML 문서의 경우 전송시의 부하를 줄이기 위해 DTD없이 전송되는 경우가 일반적이다. 그러한 이유로 전송받은 XML 데이터의 저장 효율을 높이고 질의를 최적화하며 사용자에게 편의성을 제공해주기 위해서는 XML 데이터로부터 DTD 추출이 필수적으로 요구된다. 이 논문에서는 이러한 DTD를 추출하기 위해 반구조적 데이터의 스키마 추출 기법을 적용한다. 특히, 반구조적 데이터의 최소 경계 스키마를 추출하는데 데이터로그를 이용하는 기존의 방법보다 효율적인 방법인 시뮬레이션을 적용함으로써 보다 향상된 DTD 추출 기법을 제시한다. XML makes it possible for data to be exchanged regardless of the data model in which it is represented or the platform on which it is stored, serving as a standard for data exchange format on the internet. Especially, It is natural to send XML data without DTD on the internet when XML is data-centric XML. Therefore it is needed to extract DTD to store XML data efficiently, to optimize queries, and to help users browse XML data. In this paper, Techniques for upper/lower bound schema extraction are applied to extract DTD from XML data. Especially we propose an efficient technique for extracting DTD by using simulation which is better than datalog as a lower bound schema extraction method.

      • 균열밀도에 따른 R·C 슬래브 교량의 내하력 평가

        박길현,양승현,황선하,정경덕 朝鮮大學校 建設技術硏究所 2003 建設技術硏究 Vol.23 No.1

        Through the exterior features on reinforced concrete slab, crack density and crack originate deflections ratio crack density, decrease percentage of load carrying capacity, crack originate deflections ration and decrease percentage of load carrying capacity were statistically analyzed. Crack density, crack originate deflections ratio and decrease percentage of load carrying capacity are very closely related each other with 0.724, 0.821 and 0.317 of correlation coefficient within 95% of mind level. However, the correlation between crack originate deflections ratio and decrease percentage of load carrying capacity was low. Through the regression equation curve method in which crack density selected as independent variable, crack originate deflections ratio and decrease percentage of load carrying capacity as dependent variable, regression equations were presumed. Equations exist in mind level range of F(0.05, S-curve showed the highest, conformance with 79.5%, 72.2%. The regression equation between CRD or LCCD and CD was also shown. The overall judgement of load carrying capacity of bridges can be possible through the moreover investigation of crack density, the time needed precision could be valuable data for lower maintenance cost, the degree of deterioration of bridges and safety judgement.

      • KCI등재

        정규 뇌파검사에서 볼수 있는 자연수면

        박경신,한선호 大韓神經精神醫學會 1988 신경정신의학 Vol.27 No.4

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

        The purpose of this study were to investigate the patterns of sleep appearances and to find out conditions for easier occurrence of natural sleep during routine EEG examination. The subjects of this study were randomly selected 200 patients who had undergone EEG examinations at Soonchunhyang University Hospital EEG laboratory. The results were as follows ; 1) Half of the cases(50%) showed sleep EEG patterns and 56% of them(56 cases) showed sleep stage Ⅱ patterns. 2) Sleep latency of those who reached only sleep Ⅰ was significantly longer than that of those who reached sleep stage Ⅱ. 3) Sleep was induced within the first 15 minutes of EEG records in 86.4% of all the sleepers. Afterwards, the sleep induction rate was abruptly decreased. 4) Ninety percent of the sleepers showed the EEG patterns of sleep stage Ⅱ within the first 15 minutes of sleep. 5) When the subjects were divided into two groups by the time of EEG recording, i.e, morning and afternoon groups, there was no difference in the rates of sleep induction and appearance of sleep stage Ⅱ. However, sleep latency was significantly shorter in the afternoon group. 6) EEG patterns of sleep stages 3 and stage 4 and REM sleep were not observed in any subjects studied.

      • 청감실험을 통한 교통소음의 주관적 반응 조사

        박현구,조경숙,송혁,김선우 대한건축학회 2003 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.23 No.1

        The aim of this study is to analyse the relationship between traffic noises and subjective responses. The traffic noises considered in this study were aircraft, road traffic and train, and we recorded them in order to edit by using the sound insulation performance of windows. The sound sources recorded and edited were made to be different sound level with 5 steps by 5dB. Finally 100 sounds sources were composed for the purpose of psychoacoustic experiments and we surveyed the subjective responses. As a result, the average points of the subjective response to the sound sources have shown differently depending on their sound level, the type of windows and the type of sound sources.

      • KCI등재

        성당 미사공간의 실내음향특성에 관한 실험적 연구

        박현구,조경숙,김선우 대한건축학회 2003 대한건축학회논문집 Vol.19 No.2

        This study has performed to analyse the measurement the main hall of Catholic churches and to find out general room acoustical characteristics. Furthermore, extracted data could be used in subjective evaluation for optimum values of each physical parameter. For the reason, we surveyed whole Catholic churches located in Gwangju metropolitan city and finally chose 11 churches to measure. Room volume of buildings chosen is ranged widely from 1,782 to 9,195 cubic meter so that measured values can be distributed including various characteristics of acoustical parameters. As a result, the differences of values using PA system as sound source were larger than those using omnidirectional speaker in the center part of alter and values of D50 and C80 in the balcony floor were especially appeared to have different values comparing with those of main floor due to diversified layout of speakers. The range of RT and EDT was from 1 to 3 sec. approximately depending on the room volume and sound absorbing materials installed on floor, wall and ceiling and it was revealed that RT at 250㎐ of center frequency range was shortest and RT at 1㎑ was largest as most of the materials applied to finishing were panel absorbers and reflectors such as wood panel, concrete and brick.

      • 혼합형 자가면역성용혈성빈혈과 동반된 Evans 증후군 1례

        선길홍,윤찬영,박상곤,박경희,우정주,한경택,김진화,김영훈,정춘해,박치영 朝鮮大學校 附設 醫學硏究所 2005 The Medical Journal of Chosun University Vol.30 No.2

        Evans syndrome is defined as a simultaneous or sequential occurrence of autoimmune hemolytic anemia and autoimmune thrombocytopenia. Autoimmune hemolytic anemia (AIHA) is usually induced by IgG warm autoantibody or cold-active IgM antibodies reacting specifically with antigens associated with a patient's RBC. AIHA is a fairly uncommon disorder, with estimates of the incidence at 1 to 3 cases per 100,000 per year. Mixed-type AIHA is a relatively uncommon form of AIHA, with studies noting the incidence of 7-8% among cases of AIHA. We experienced a patient, 46-year-old woman who was diagnosed having a very rare clinical presentation of mixed warm and cold antibody mediated Evans syndrome. She was treated with corticosteroid therapy only and has been maintaining a complete response for 15 weeks. 저자들은 혼합형의 자가면역성 용혈성 빈혈과 자가면역성 혈소판 감소증이 동시에 발생한 혼합형 Evans 증후군으로 진단하고 스테로이드 요법 후 혈액학적으로 회복된 상태로 15주가 지난 현재 steroid 5 mg/일 까지 감량한 상태에서 추적 관찰 치료중인 46세 여자 환자를 경험하였기에 문헌 고찰과 함께 보고하는 바이다.

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