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박재인(JI Park),최영욱(YW Choi),정백수(BS Chung),최규태(KT Choi) 대한산부인과학회 1981 Obstetrics & Gynecology Science Vol.24 No.2
저자들은 최근 본원 산부인과 병실에 입원수술한 환자중에 Krukenberg 종양2예를 관찰할 수 있었기에 간단한 문헌 고찰과 함께 그 증례를 보고하는 바이다. Two cases of Krukenberg tumor are described with thier clinical and pathological findings. A brief review on the literature is made in comment.
오일갤러리 유동을 고려한 디젤 엔진 피스톤 온도분포 예측
하응지(Eung-Ji Ha),문길민(Kilmin Moon),박재인(Jaein Park) 한국자동차공학회 2007 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
Control of piston temperature has become one of the important factor for a recent high power and high speed diesel engines. The temperature control for diesel engine piston is commonly achieved by piston cooling jet system with oil gallery flow. However, the oil flow and piston cooling characteristics in the oil gallery have not been understood accurately. Therefore, a numerical procedure has been developed to simulate unsteady oil flow in the piston oil gallery and to predict the piston temperature distribution with oil gallery flow. The predicted piston temperature distribution showed good agreement with measured data Parametric studies were performed to evaluate the influence of oil jet velocity, oil jet nozzle area and oil gallery exit area on the piston temperature. It is found that the average heat transfer coefficient of the oil gallery increased proportional to the amount of oil jet flow. The filling ratio of oil flow and the average piston temperature are converged as the oil flow rate increased.
신윤식(YS Shin),박재인(JI Park),정백수(BS Chung),유길조(KJ Rheu),정재훈(JH Chung) 대한산부인과학회 1982 Obstetrics & Gynecology Science Vol.25 No.10
자궁경부에 발생하는 자궁내막증은 그 주된 직접적인 원인이 외상에 의해서 생기는 일이 많다고 주장하고 있다. 근래 자궁경부생검, 전기소작, 자궁경부원추절제술 등의 외과적 처치가 종전보다 증가되는 경향이 있으므로 앞으로는 자궁경부자궁내막증은 그 빈도가 더 많아질 것으로 추측된다. 저자들은 최근 본부속병원 산부인과 병실에 입원 수술한 환자중에 자궁경부자궁내막증의 1예를 관찰할 수 있었기에 간단한 문헌고찰과 함께 그 증례를 보고하는 바이다. Incidence of the cervical endometriosis is rare among the pelvic endometriosis, Recently we experienced a case of the cervical endometriosis that we present a brief review of literature.
재래흑돼지고기의 냉동저장기간 동안의 품질 및 항산화 특성 변화
길주애(Juae Gil),김동욱(Dongwook Kim),김희진(Hee-Jin Kim),윤지열(Ji-Yeol Yoon),박재인(Jae-In Pak),박범영(Beom-Young Park),함준상(Jun-Sang Ham),장애라(Aera Jang) 한국생명과학회 2015 생명과학회지 Vol.25 No.7
본 연구는 150일간 냉동저장기간 중 재래흑돼지 등심과 뒷다리살의 품질변화와 항산화 특성을 알아보고자 실시하였다. pH 분석결과 등심의 경우 저장기간 동안 유의적으로 감소하였으나(p<0.05), 뒷다리살은 일관된 경향을 보이지 않았다. 등심의 경우 L*값은 저장1일부터 120일 동안 유의적인 차이를 보이지 않았으나 뒷다리살의 경우 저장기간에 따라 유의적으로 감소하였다(p<0.05). a*값의 경우 등심과 뒷다리살 모두 저장기간이 경과함에 따라 유의적으로 감소하였으며, b*값은 유의적으로 증가하였다(p<0.05). 보수력 지수는 등심의 경우 저장 1일 32.80%에서 30일에 유의적으로 감소하여(p<0.05) 저장 150일까지 26.42%로 유지됨을 나타내었다. 등심과 뒷다리살의 총균수는 각각 4.88, 5.16 Log CFU/g을 나타내었고, 저장 30일에 유의적으로 감소하였다(p<0.05). 냉동 저장 중 재래흑돼지 등심과 뒷다리살 각각의 2-thiobarbituric acid reaction substance 값은 0.057-0.069, 0.052-0.087 mg MDA/kg meat의 범위를 보였으나, 저장 150일까지 유의적인 차이는 없었다. 등심과 뒷다리살의 volatile basic nitrogen값은 각각 15.13-16.55, 16.05-16.23 mg%의 범위를 나타내었다. 등심과 뒷다리살의 항산화 활성인 oxygen radical absorbance capacity과 carnosine함량을 분석한 결과 냉동저장 150일 동안 유의적으로 감소하였다(p<0.05). 본 연구 결과, 재래흑돼지 등심과 뒷다리살의 냉동저장 중 식육의 품질은 다소 감소하는 경향은 있었지만 큰 변화는 없었다. 하지만, 항산화 활성과 항산화 기능을 갖는 di-peptide인 carnosine은 냉동저장 150일 동안 유의적으로 감소하였음을 나타내었다(p<0.05). This study was carried out to evaluate changes in the meat quality and antioxidation activity in the loin and ham of Korean Native Black Pigs (KNBP) during frozen storage at -18℃ for 150 days. The pH value of the loin was decreased as storage days progressed, while the pH value of the ham showed no consistent changes with storage days. The lightness (L*) of the loin did not show any significant reduction until day 120, whereas L* of the ham was significantly declined throughout the storage period (p<0.05). The redness (a*) values of the loin and ham were significantly decreased as storage progressed. The water holding capacity of the loin was decreased by day 30 and that value was maintained until the end of storage. The initial total numbers of microorganisms in the loin and ham were 4.88 and 5.16 Log CFU/g, respectively and these numbers were significantly decreased by day 30 (p<0.05). The levels of 2-thiobarbituric acid reactive substances (a measurement of lipid oxidation) in the loin and ham ranged from 0.057-0.069 and 0.052-0.087 mg MDA/kg meat, respectively, until storage day 150. Volatile basic nitrogen values of the loin and ham ranged from 15.13-16.55 and 16.05-16.23 mg%. Oxygen radical absorbance capacities and carnosine contents of the loin and ham were significantly decreased during frozen storage for 3 months (p<0.05). In summary, the meat quality of the loin and ham from KNBP was somewhat decreased during frozen storage. However, the levels of antioxidants and dipeptides with antioxidant activity were significantly decreased in pork loin and ham during frozen storage.
다발성 손상을 동반한 다발성 불연속 척추골절 -증례 보고-
채수욱 ( Soo Uk Chae ),김영진 ( Yeung Jin Kim ),양정환 ( Jung Hwan Yang ),이지완 ( Ji Wan Lee ),박재인 ( Jae In Park ) 대한골절학회 2011 대한골절학회지 Vol.24 No.3
Multiple non-contiguous spinal fracture is a special type of multi-level spinal injury, which is rare but most frequently occur in motor vehicle accident or a falling from a height. We report five patients of multiple non-contiguous spinal fractures. All patients underwent segmental pedicle screws fixation without fusion for preserving facet joints and minimizing blood loss and operation time. We performed necessary operation for any concomitant injuries at the same day.