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박상만 ( Sang Man Paik ),박진남 ( Jin Nam Park ),김방순 ( Bang Soon Kim ),박향준 ( Hyang Joon Park ) 대한피부과학회 1995 대한피부과학회지 Vol.33 No.4
We report a case of unilateral nevoid telangiectasia associated with acanthosis nigricans in a 20-year old male patient. Unilateral nevoid telangiectasia may be congenital or acquired. The unilateral and dermatomal distribution suggests that distribution of target vessels is fixed and that they are sensitive to estrogen. Estrogens are mainly produced by the ovaries, but they are also produced by peripheral cirornatization of androgen. Because a major site of this conversion is adipose tissue, estrogen can increase in an obese person. Obesity also reverses the metabolism of estrogen and increases the serum insulin level. Therefore it seems that obesity in our patient induces the development of unilateral nevoid telangiectasia and acanthosis nigricans. (Kor J Dermatol 1995;33(4): 710-716)
Application of Soft Controls in Nuclear Safety Systems
Park Sang Man(박상만),Lee Kwang Jae(이광재) 한국엔터테인먼트산업학회 2014 한국엔터테인먼트산업학회 학술대회 논문집 Vol.2014 No.5
The use of conventional control devices such as pushbuttons, toggle switches, thumbwheels and rotary controls in a nuclear generating stations requires the allocation of a considerable amount of control panel space as well as the cost of multiple input devices and their associated wiring. Alternatively, computer-based virtual controls can be implemented via the use of a graphical user interface(GUI) on touch screen, video display units(VDUs). Virtual control panels offer significant advantages over discrete controls in these two areas. In addition, as virtual devices, they can be reconfigured to match the real time context of the control task at hand. However, due to the technologies employed and the operational and developmental requirements associated with Class 1E nuclear safety systems, there are several challenges in the development of such a system that must be addressed.
성장생물학 : 비육돈의 출하체중 증가가 등지방두께, “떡지방” 삼겹살 발생률, 도체등급 및 도체의 품질특성에 미치는 영향
박만종 ( Man Jong Park ),박병철 ( Byung Chul Park ),하덕민 ( Duck Min Ha ),김진보 ( Jin Bo Kim ),장경순 ( Kyoung Soon Jang ),이도현 ( Do Hyun Lee ),김관태 ( Gwan Tae Kim ),진상근 ( Sang Keun Jin ),이철영 ( C Young Lee ) 한국동물자원과학회(구 한국축산학회) 2013 한국축산학회지 Vol.55 No.3
본 연구는 돼지 출하체중 증가가 ``떡지방`` 삼겹살 발생률, 도체 등급 및 도체의 품질 특성에 미치는 영향을 구명하기 의해 수행되었다. 본 목적을 위해 85~150kg 체중 범위의(Yorkshire × Landrace) × Duroc 교잡종 거세돼지와 암퇘지 각각 250두를 도살하여 그 도체를 분석하였다. 거세돼지와 암퇘지의 등지방두께(y;mm)는 각각 다음과 같이 생체중(x;kg)에 선형으로 회귀하였다: y = 0.1827x+3.4825(r²=0.4671) 및 y = 0.2015x-0.6972(r²=0.4736). 삼겹살의 제 11~12 늑골부 5cm 폭의 등쪽 반절편의 지방조직 중량비가 55%를 초과하는 경우를 떡지방의 기준으로 설정했을 때 떡지방 삼겹살은 거세돼지에서 10건 발생하였으나 소매상에서 떡지방 삼겹살로 판정된 경우는 없었다. 과중량으로 인해 도체등급이 강등된 도체는 총 101건(20.2%)에 달하였다. 1+A 등급도체는 다른 모든 등급 도체보다 근내지방도가 높았으나, 근내지방 도와 도체 결함 특성을 제외하면 도체등급간 가시적인 품질 상의 차이는 발견되지 않았다. 결론적으로 도체 품질을 충분히 반영하지 못하고 크기만 클 뿐 정상적인 도체에 대해서는 평가절하는 현행 도체등급 판정기준은 개정되어야 좋을 것이다. 또한 돼지 출하체중을 증가시킬 때 떡지방 삼겹살 발생률은 중요한 고려 사항이 아닌 것으로 사료된다. The present study was undertaken to investigate the effects of increasing pig market weight on the incidence of the ``caky-fatty`` belly, carcass grade and carcass quality traits. To this end, 500(Yorkshire×Landrace)×Duroc market pigs consisting of equal numbers of barrows and gilts were slaughtered at body weights ranging from 85 to 150kg and their carcasses were analyzed. Backfat thickness (BFT; mm) of the barrows and gilts regressed on live weight (kg) linearly as follows: BFT (y)=0.1827x+3.4825(r²=0.4671) and y = 0.2015x-0.6972(r²=0.4736), respectively. The caky-fatty belly, which, by definition of the present study, had=55% fat by weight in the dorsal-side half of a 5 cm-wide belly strip between the 11th and 12th ribs, was found in 10 carcasses from barrows. However, no belly was condemned as ``caky-fatty`` by the retailers. Total number of carcasses which were down-graded on account of overweight was as many as 101 (20.2%). The 1+A-grade carcasses exhibited a superior intramuscular fat score to all other grades, but except for this and the defective quality traits, no visible differences were found in carcass quality among different carcass grades. In conclusion, the current carcass grading system, which is sparingly reflective of the carcass quality and also under-evaluates the larger but otherwise normal carcasses, may as well be revised. Moreover, the incidence of the caky-fatty belly appears not to be a critical factor to be considered when increasing the pig market weight.
Chest PA 검사 시 피검자의 Effective Dose(유효선량)에 관한 고찰
박상만(Sang Man Park),이상전(Sang Jeon Lee),안미섭(Mi Seop An),문희석(Hee Seok Moon),조남수(Nam Soo Cho) 대한영상의학기술학회 2009 대한영상의학기술학회 논문지 Vol.2009 No.-
Purpose : When examining chest PA, to know whole body x-ray damage level exactly by measuring patients’ effective dose. Materials and methods : The experiment equipment is REVOLUTION XQI chest private x-ray machine of GE Company, Glass dosimeter (DOSE ACE [Asahi Technograju Company]) is used for measuring expose dose. The experimentway is to expose with the conditions FFD 180cm, 100kVp(HVL 4.08mmAl), 3.08mAs, Field Size 43cm*43cm, calculating air absorbing dose by inserting Glass dosimeter organ position endowed organ load coefficient named by ICRP inside ART(ANDERSON RADIATION THERAPHY) Phantom To indicate organ absorbing dose by air absorbing dose in each position multiplies organ and air mass suction coefficient, and then to know Effective Dose by multiplying each organ load coefficient. We found 1 expose effective dose by averaging total 10 times expose, and knew errors 5 times with doing the same process. Results : Examining the above, the average ESD was about 0.1116mGy (SD 4.89, CV 0.044), effective dose was about 29.8420Sv. Conclusion : During the chest PA, the effective dose of patients damaged is about 0.0298mSv, 5 times repetition result is SD 1.04, CV 0.03489.